Crash of WDK 6001 BUILD.EXE

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  - 1
    - Can touchpad driver be wrapped? Is it possible to create a wrapper for an OEM touchpad driver (Synaptics, Alps, etc) that intercepts the raw data from the touchpad driver and rewrites it before passing it along to Windows itself (Vista in particular, if it matters)? For the past few months I've been shopping for a new laptop, and it's increasingly difficult to get one with a pointer stick instead of/in addition to a touchpad.The problem is, I despise touchpads. Strangely, I actually LIKED the marble-like trackball on the laptop I had back in college (DEC HiNote Ultra). I spent a few hours thinking about what specifically irritated me about touchpads, and finally nailed down a good part of the answer: touchpad behavior is optimized for people using it with their index finger, not for people trying to treat it like a fake trackball and use it with their thumb while the fingers remain over the keyboard. The X and Y axes are scaled the same, even though the thumb's range of motion along the X axis is a lot more restricted than its motion along the Y axis. Moreover, the tracking algorithm doesn't take into account the fact that someone trying to treat the touchpad like a fake trackball and move the pointer diagonally (say, towards the lower-left corner of the screen) is going to move their thumb in a curved trajectory. So... the idea I came up with was to write a wedge/wrapper that sits between the raw Synaptics/Alps touchpad driver and Windows, and rewrites its output on the fly so that it DOES mimic the behavior of a trackball. The big question is, WHERE in the API would something like this be handled? Is there a whitepaper/book/article somewhere that explores this issue? Or, god forbid, has someone already written a driver (or at least the skeleton of one) that does something like this? I know I can't be the only person who hates the way touchpads work and has thought about trying to change that behavior to something more tolerable :) Tag: Crash of WDK 6001 BUILD.EXE Tag: 102856
  - 2
    - IRP_MJ_READ problem I have an application running on Windows Server 2003, that, according to PortMon monitoring software, is using calls to IRP_MJ_READ to read data from a serial port. Normally, to read a 37 byte message (for example), there will be a series of 4 calls to IRP_MJ_READ that result in 8 bytes of data from each read, then a final call that reads the final 5 bytes. Everything works fine. Occasonally, during the series of reads (let's say the 3rd read for example), the call to IRP_MJ_READ will result in 16 bytes of data (32 bytes read total so far), and no more calls to IRP_MJ_READ. The final 5 bytes of data are forever lost (a protocol analyzer trace shows that the entire 37 bytes entered the DB9 connector on the back of tyhe server). The application that was waiting for the data continues to issue calls to IOCTL_SERIAL_GET_COMMSTATUS, IOCTL_SERIAL_GET_MODEMSTATUS, and IOCTL_SERIAL_WAIT_ON_MASK, but the remaing 5 bytes never show up, so it times out while waiting for an ETX character that is at the end of the missing bytes. Any ideas on what could be causing this? I am not a developer, but am stuck in the middle of a lot of finger pointing between the server manufacturer (with their hardened drivers) and the application developer that is using the serial data. Any help you could give me that would give me some "ammo" so I can lean on the appropriate vendor would be helpful. Thank you. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102853
  - 3
    - GetOverlappedResult() and IoStatus.Information The MSDN documentation for lpNumberOfBytesTransferred in GetOverlappedResult() says: BOOL WINAPI GetOverlappedResult( __in HANDLE hFile, __in LPOVERLAPPED lpOverlapped, __out LPDWORD lpNumberOfBytesTransferred, __in BOOL bWait ); >>> lpNumberOfBytesTransferred "A pointer to a variable that receives the number of bytes that were actually transferred by a read or *write* operation. For a DeviceIoControl operation, this is the number of bytes of output data returned by the device driver." Now, for the life of me, I just don't seem to understand a very basic issue here: What is that mystical "the number of bytes of output data returned by the device driver" when doing a WRITE operation (via a DeviceIoControl call)? Case in question: I wrote a driver that responds to DeviceIoControl() commands, supporting overlapped I/O in both read and write directions. With read I have no problems. However, with write, I just don't seem to get the crux of this lpNumberOfBytesTransferred (or IoStatus.Information in the driver). In my driver, when I do: pIRP->IoStatus.Information = actualNumberWritten; // 0 <= int <= 512 The GetOverlappedResult() call on the user mode side (the application that uses the driver) crashes the program! But when I do: pIRP->IoStatus.Information = pIRPStack->Parameters.DeviceIoControl.OutputBufferLength; The program doesn't crash. Now... I thought that, just as the GetOverlappedResult() documentation says, IoStatus.Information should return "the number of bytes that were actually transferred by a write operation". So what's going on here? Why must IoStatus.Information, on a DeviceIoControl *write* operation, return the size of the output buffer instead of "the number of bytes that were actually transferred by a write operation"? What am I missing here? Thanks, Don Tag: Crash of WDK 6001 BUILD.EXE Tag: 102851
  - 4
    - Re-enumerating usb devices Hi, So far I have been able to programatically re-enumerate usb devices using CM_Reenumerate_Devnode_Ex. Now, I have a situation where in I have a USB device whose device drivers are missing and hence it is not configured (connected but not configured) but then I want to re-enumerate it programatically. How would I do this? Any comments are welcome Thanks, Sri Tag: Crash of WDK 6001 BUILD.EXE Tag: 102841
  - 5
    - Registry setting for many Device drivers Hi, I have many device drivers named DIPSWITCH,LED,MICOM,ADC etc... In platform.reg if i register for this driver under [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IOD] "Prefix"="ADC" "Dll"="adc.dll" "Order"=dword:1 [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IOD] "Prefix"="micom" "Dll"="micom.dll" "Order"=dword:1 [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IOD] "Prefix"="dipswitch" "Dll"="dipswitch.dll" "Order"=dword:1 [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IOD] "Prefix"="IOD" "Dll"="iod.dll" "Order"=dword:1 [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\IOD] "Prefix"="led" "Dll"="led.dll" "Order"=dword:1 Only one driver dipswich.dll is getting loaded. i checked the registry of target device. How can i set in platform.reg for these drivers. Please Suggest me. Regards, Kirthika Tag: Crash of WDK 6001 BUILD.EXE Tag: 102839
  - 6
    - ioctl in a bus filter driver I have a bus filter driver in which I am registering an interface for a special IOCTL call (I want to return status information on a PCI-Express switch) I am able to get the device interface details using the setupDI calls and it looks good, but when I call CreateFile I get an invalid handle and the last error code is 2 (file does not exist). I have breakpoints in the Create/close routine and IOCTL dispatch routine, but the driver does not appear to be getting called. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102830
  - 7
    - installing multiple devices with one driver my UMDF driver emulates a com port and works fine now. It is possible to have more than one device controlled by the driver, but when I install this, every time i install the driver again, it first reinstals the existing instances. Since the driver is not signed, this means that I have to confirm once for one device, 3 times for 2 devices, 6 times for 3 devices and so on. How can I avoid this? Thanks, Jan Tag: Crash of WDK 6001 BUILD.EXE Tag: 102829
  - 8
    - Can't turn on WDF Verifier I'm trying to turn on the WDF verifier, but !wdfdriverinfo <drivername> 0x1 is always reporting that the verifier is off. I've tried setting HKLM\System\CurrentControlSet\Services\<my driver>\Parameters\Wdf\VerifierOn to a 1, and restarted the driver and that didn't work. I also tried setting VerifyOn to as 1, and that didn't work either. Finally I tried using WdfVerifier.exe, but WinDbg is still reporting the verifier as being off. What am I missing? Thanks, Michael Tag: Crash of WDK 6001 BUILD.EXE Tag: 102827
  - 9
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  - 10
    - OS platform for Win2K only in INF file . [install-section-name.NTx86] contains Windows 2000-specific instructions for installing the device or set of device-compatible models on all Windows 2000 x86-based platforms. . [install-section-name.NT] contains Windows 2000-specific instructions for installing the device or set of device-compatible models on all Windows 2000 platforms. Currently, .NT represents the same set of platforms that are defined by .ntx86. If non-x86 platforms are supported by Windows 2000 in the future, .NT will represent the set containing .ntx86 platforms and those new platforms. . [install-section-name] contains Windows 9x-specific instructions. Undecorated sections are also fallback sections for Windows 2000 platforms. Setup uses undecorated sections on Windows 2000 if it cannot locate the appropriate decorated sections. However, to prevent Windows 2000 sections from being used on Windows 9x by mistake, you should decorate any Windows 2000-specific DDInstall and related sections with the .ntx86 or .nt extensions. ======================================================= I have one question for Windows 2000 driver for one single INF file to install driver for XP, Vista and Windows 2000. According to the above description, how do I specify an platform extension that is only picked up by Windows 2000 but not XP and Vista. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102796
  - 11
    - PM IRPs won't complete in KMDF bus driver Hi, I have a problem with a KMDF bus driver where the bus driver does not transition its stack back to D0 upon receiving a request on its PDOs to transition to D0 as a result of system entering S0. This problem happens intermittently, only on some hosts and mainly on Vista (occasionally seen on Win2k and XP). This is the scenario: host is put in S1 state and awoken after 20s (using WDTF) and this cycles through. After few cycles, screen comes up as either blank or blank with the mouse pointer frozen. System is not responsive and has to be cold-restarted. If I break into the debugger at this time, stack backtrace shows CPUs (multiprocessor system) are idle and there doesn't seem to be any deadlocks. There are several power IRPs active in the system at this point, the ones of my interest being child FDOs' SET_POWER S0s being pended on SET_POWER D0s it had sent. SET_POWER D0s are then pending in the bus driver for unknown reason. Looking at the KMDF logs, I can see that PDOs have received the SET_POWER D0 IRP, but for some reason they are waiting for the parent transition to D0 which never seems to happen. I have included the results of !WDFDEVICE for child PDO and parent bus FDO as well as last bits of KMDF logs. Could this be due to a potential race condition in the Framework as problem seems to occur more frequently when the number of childs is increased? As power mangement is handled by the Framework, I couldn't think of a way to take this any further. What else would you recommend to gather more information on this? Many thanks, DaveH //////////////////////// Child PDO 1: kd> !wdfdevice 0x77bf6900 fff Dumping WDFDEVICE 0x77bf6900 ================================= WDM PDEVICE_OBJECTs: self 91ffe9a8 Pnp state: 119 ( WdfDevStatePnpStarted ) Power state: 32f ( WdfDevStatePowerWaitForParent ) Power Pol state: 571 ( WdfDevStatePwrPolDx ) Parent WDFDEVICE 701ff620 Parent states: Pnp state: 119 ( WdfDevStatePnpStarted ) Power state: 31f ( WdfDevStatePowerDx ) Power Pol state: 515 ( WdfDevStatePwrPolSystemWakeDeviceWakeEnabledWakeCanceled ) Pended device power irp 0x95af2f00 (D0) Pnp state history: [0] WdfDevStatePnpObjectCreated (0x100) [1] WdfDevStatePnpInit (0x105) [2] WdfDevStatePnpInitStarting (0x106) [3] WdfDevStatePnpHardwareAvailable (0x108) [4] WdfDevStatePnpEnableInterfaces (0x109) [5] WdfDevStatePnpStarted (0x119) Power state history: [0] WdfDevStatePowerStartSelfManagedIo (0x32b) [1] WdfDevStatePowerD0BusWakeOwner (0x309) [2] WdfDevStatePowerGotoDx (0x31a) [3] WdfDevStatePowerGotoDxIoStopped (0x31c) [4] WdfDevStatePowerDx (0x31f) [5] WdfDevStatePowerCheckDeviceType (0x301) [6] WdfDevStatePowerCheckParentState (0x303) [7] WdfDevStatePowerWaitForParent (0x32f) Power policy state history: [0] WdfDevStatePwrPolGotoD0 (0x572) [1] WdfDevStatePwrPolStartingSucceeded (0x502) [2] WdfDevStatePwrPolGotoDx (0x56f) [3] WdfDevStatePwrPolDx (0x571) [4] WdfDevStatePwrPolGotoD0 (0x572) [5] WdfDevStatePwrPolStartingSucceeded (0x502) [6] WdfDevStatePwrPolGotoDx (0x56f) [7] WdfDevStatePwrPolDx (0x571) EvtDeviceEnableWakeAtBus: Mf!ChildEvtDeviceEnableWakeAtBus (8651be9a) EvtDeviceDisableWakeAtBus: Mf!ChildEvtDeviceDisableWakeAtBus (8651bece) Properties: SynchronizationScope: WdfSynchronizationScopeNone ExecutionLevel: WdfExecutionLevelDispatch IoType: WdfDeviceIoBuffered FileObjectClass: WdfFileObjectNotRequired Exclusive: No AutoForwardCleanupClose: No DefaultIoPriorityBoot: 2 //////////////////////// Bus FDO 1: kd> !WDFDEVICE 0x701ff620 fff Dumping WDFDEVICE 0x701ff620 ================================= WDM PDEVICE_OBJECTs:self 92c43c50, attached 8f5f9020, pdo 83c20030 Pnp state: 119 ( WdfDevStatePnpStarted ) Power state: 31f ( WdfDevStatePowerDx ) Power Pol state: 515 ( WdfDevStatePwrPolSystemWakeDeviceWakeEnabledWakeCanceled ) Default WDFIOTARGET: 6d3d4438 No pended pnp or power irps Device is the power policy owner for the stack Pnp state history: [0] WdfDevStatePnpObjectCreated (0x100) [1] WdfDevStatePnpInit (0x105) [2] WdfDevStatePnpInitStarting (0x106) [3] WdfDevStatePnpHardwareAvailable (0x108) [4] WdfDevStatePnpEnableInterfaces (0x109) [5] WdfDevStatePnpStarted (0x119) Power state history: [0] WdfDevStatePowerWaking (0x333) [1] WdfDevStatePowerWakingConnectInterrupt (0x335) [2] WdfDevStatePowerWakingDmaEnable (0x339) [3] WdfDevStatePowerStartSelfManagedIo (0x32b) [4] WdfDevStatePowerD0 (0x307) [5] WdfDevStatePowerGotoDx (0x31a) [6] WdfDevStatePowerGotoDxIoStopped (0x31c) [7] WdfDevStatePowerDx (0x31f) Power policy state history: [0] WdfDevStatePwrPolSleeping (0x526) [1] WdfDevStatePwrPolSleepingWakePowerDown (0x52a) [2] WdfDevStatePwrPolSleepingSendWake (0x52b) [3] WdfDevStatePwrPolCheckPowerPageable (0x510) [4] WdfDevStatePwrPolSleepingWakeWakeArrived (0x511) [5] WdfDevStatePwrPolSystemAsleepWakeArmed (0x513) [6] WdfDevStatePwrPolSystemWakeDeviceWakeEnabled (0x514) [7] WdfDevStatePwrPolSystemWakeDeviceWakeEnabledWakeCanceled (0x515) EvtDeviceD0Entry: Mf!BusEvtDeviceD0Entry (8651acc8) EvtDevicePrepareHardware: Mf!BusEvtDevicePrepareHardware (8651b83a) EvtDeviceReleaseHardware: Mf!BusEvtDeviceReleaseHardware (8651b5e0) EvtDeviceArmWakeFromS0: Mf!BusEvtDeviceArmWake (8651acf8) EvtDeviceDisarmWakeFromS0: Mf!BusEvtDeviceDisarmWake (8651b638) EvtDeviceArmWakeFromSx: Mf!BusEvtDeviceArmWake (8651acf8) EvtDeviceDisarmWakeFromSx: Mf!BusEvtDeviceDisarmWake (8651b638) WDFCHILDLIST Handles: !WDFCHILDLIST 0x701566f8 (static PDO list) Properties: SynchronizationScope: WdfSynchronizationScopeNone ExecutionLevel: WdfExecutionLevelDispatch IoType: WdfDeviceIoBuffered FileObjectClass: WdfFileObjectNotRequired Exclusive: No AutoForwardCleanupClose: No DefaultIoPriorityBoot: 0 //////////////////////// KMDF log 3234: FxPkgPnp::Dispatch - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 IRP_MJ_POWER, Minor 0x2 IRP 0x972EAED8 3235: FxPkgPnp::Dispatch - WDFDEVICE 0x77BF6900 !devobj 0x91FFE9A8 IRP_MJ_POWER, Minor 0x2 IRP 0x9721EF00 3236: FxPkgPnp::Dispatch - WDFDEVICE 0x6E0C75D8 !devobj 0x92C1A480 IRP_MJ_POWER, Minor 0x2 IRP 0x9926AF00 3237: FxPkgPnp::Dispatch - WDFDEVICE 0x7BC2D768 !devobj 0x92C51530 IRP_MJ_POWER, Minor 0x2 IRP 0x97358F00 3238: FxPkgPnp::Dispatch - WDFDEVICE 0x6D3C1748 !devobj 0x91F39030 IRP_MJ_POWER, Minor 0x2 IRP 0x99388F00 3239: FxPkgPnp::Dispatch - WDFDEVICE 0x6E0C6E48 !devobj 0x92C5ACD0 IRP_MJ_POWER, Minor 0x2 IRP 0x992BEF00 3240: FxPkgPnp::Dispatch - WDFDEVICE 0x762E57C0 !devobj 0x89CB5A48 IRP_MJ_POWER, Minor 0x2 IRP 0x973E6F00 3241: FxPkgPnp::Dispatch - WDFDEVICE 0x6D398480 !devobj 0x84382AD8 IRP_MJ_POWER, Minor 0x2 IRP 0x993BEF00 3242: FxPkgPnp::Dispatch - WDFDEVICE 0x6D39E210 !devobj 0x92C56C50 IRP_MJ_POWER, Minor 0x2 IRP 0x95ADCF00 3243: FxPkgPnp::Dispatch - WDFDEVICE 0x77BF6900 !devobj 0x91FFE9A8 IRP_MJ_POWER, Minor 0x2 IRP 0x95AF2F00 3244: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x77BF6900 !devobj 0x91FFE9A8 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3245: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x77BF6900 !devobj 0x91FFE9A8 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3246: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3247: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3248: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x77BF6900 !devobj 0x91FFE9A8 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3249: FxPkgPnp::Dispatch - WDFDEVICE 0x6E0C75D8 !devobj 0x92C1A480 IRP_MJ_POWER, Minor 0x2 IRP 0x99272F00 3250: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C75D8 !devobj 0x92C1A480 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3251: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C75D8 !devobj 0x92C1A480 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3252: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3253: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3254: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3255: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C75D8 !devobj 0x92C1A480 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3256: FxPkgPnp::PowerPolicyEnterNewState - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power policy state WdfDevStatePwrPolSystemWakeDeviceWakeEnabled from WdfDevStatePwrPolSystemAsleepWakeArmed 3257: FxPkgPnp::PowerPolicyCancelWaitWake - Successfully got WaitWake irp 99246ED8 for cancelling 3258: FxPkgPnp::_PowerPolicyWaitWakeCompletionRoutine - Completion of WaitWake irp 99246ED8, 0xc0000120(STATUS_CANCELLED) 3259: FxPkgPnp::_PowerPolicyWaitWakeCompletionRoutine - Not completing WaitWake irp 99246ED8 in completion routine 3260: FxPkgPnp::PowerPolicyCancelWaitWake - Cancel of irp 99246ED8 returned 1 3261: FxPkgPnp::PowerPolicyEnterNewState - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power policy state WdfDevStatePwrPolSystemWakeDeviceWakeEnabledWakeCanceled from WdfDevStatePwrPolSystemWakeDeviceWakeEnabled 3262: FxPkgPnp::PowerPolicySendDevicePowerRequest - Requesting D0 irp, 0x00000103(STATUS_PENDING) 3263: FxPkgPnp::Dispatch - WDFDEVICE 0x7BC2D768 !devobj 0x92C51530 IRP_MJ_POWER, Minor 0x2 IRP 0x993C0F00 3264: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x7BC2D768 !devobj 0x92C51530 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3265: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x7BC2D768 !devobj 0x92C51530 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3266: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3267: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3268: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3269: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x7BC2D768 !devobj 0x92C51530 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3270: FxPkgPnp::Dispatch - WDFDEVICE 0x6D3C1748 !devobj 0x91F39030 IRP_MJ_POWER, Minor 0x2 IRP 0x8B2AEF00 3271: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D3C1748 !devobj 0x91F39030 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3272: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D3C1748 !devobj 0x91F39030 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3273: FxPkgPnp::Dispatch - WDFDEVICE 0x6E0C6E48 !devobj 0x92C5ACD0 IRP_MJ_POWER, Minor 0x2 IRP 0x95ACCF00 3274: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3275: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3276: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C6E48 !devobj 0x92C5ACD0 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3277: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3278: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C6E48 !devobj 0x92C5ACD0 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3279: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3280: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3281: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3282: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D3C1748 !devobj 0x91F39030 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3283: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6E0C6E48 !devobj 0x92C5ACD0 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3284: FxPkgPnp::Dispatch - WDFDEVICE 0x762E57C0 !devobj 0x89CB5A48 IRP_MJ_POWER, Minor 0x2 IRP 0x9709CF00 3285: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x762E57C0 !devobj 0x89CB5A48 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3286: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x762E57C0 !devobj 0x89CB5A48 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3287: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3288: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3289: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3290: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x762E57C0 !devobj 0x89CB5A48 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3291: FxPkgPnp::Dispatch - WDFDEVICE 0x6D398480 !devobj 0x84382AD8 IRP_MJ_POWER, Minor 0x2 IRP 0x993F8F00 3292: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D398480 !devobj 0x84382AD8 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3293: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D398480 !devobj 0x84382AD8 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3294: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3295: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3296: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3297: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D398480 !devobj 0x84382AD8 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState 3298: FxPkgPnp::Dispatch - WDFDEVICE 0x6D39E210 !devobj 0x92C56C50 IRP_MJ_POWER, Minor 0x2 IRP 0x993DAF00 3299: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D39E210 !devobj 0x92C56C50 entering Power State WdfDevStatePowerCheckDeviceType from WdfDevStatePowerDx 3300: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D39E210 !devobj 0x92C56C50 entering Power State WdfDevStatePowerCheckParentState from WdfDevStatePowerCheckDeviceType 3301: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDxIoIncrement from FxIdleInDx 3302: FxPowerIdleMachine::InDxIoIncrement - WDFDEVICE 701FF620 idle (in Dx) not sending io present event (already sent) 3303: FxPowerIdleMachine::ProcessEventLocked - WDFDEVICE 0x701FF620 !devobj 0x92C43C50 entering power idle state FxIdleInDx from FxIdleInDxIoIncrement 3304: FxPkgPnp::PowerEnterNewState - WDFDEVICE 0x6D39E210 !devobj 0x92C56C50 entering Power State WdfDevStatePowerWaitForParent from WdfDevStatePowerCheckParentState Tag: Crash of WDK 6001 BUILD.EXE Tag: 102775
  - 12
    - IRP_URB_DOUBLE_SUBMIT problem Hi, I am getting a crash in my driver in long hour tests. Every time the bugcheck (0xFE) identifies the problem as IRP_URB_DOUBLE_SUBMIT. The documentation of this says : The caller has submitted an irp that is already pending in the USB bus driver. However nowhere in my driver I am re-using an IRP ! Every time I allocate an IRP and destroy it in the completion. I assume that IoAllocateIrp will every time give me a fresh IRP and so same IRP will never be submitted to USB subsystem. I am therefore perplexed why it would happen so. Is it that the bugcheck can also occur for some other case than irp resubmitting? I also observe that when I try to get the details of the IRP in question, I get "Could not read device object or _DEVICE_OBJECT not found" message for the device object associated with the IRP. Any pointers will be great appreciated. Thanks and Regards, Abhijit Tag: Crash of WDK 6001 BUILD.EXE Tag: 102772
  - 13
    - NDIS IM Driver and Custom Filter Class Hi, I have developed an IM NDIS driver. There are 3 types of filter classes failover, loadbalance and scheduler. Is it possible to make new custom filter class. which resides above from scheduler class? Please tell me how can I do it? -- With regards thanks Anand Choubey Tag: Crash of WDK 6001 BUILD.EXE Tag: 102771
  - 14
    - How to get a tcp/ucp port in im driver without copying all packet content? In my intermediate driver (ndis5.1), i just want to check each tcp/udp packet's port number. I check the packet in the way that copy each packet content to my own buffer and then check the port number. I want to know is there any way to know the tcp/ucp packet port number without copying the content each time? Or the copy procedure is the must be....? Thanks for your advice! Tag: Crash of WDK 6001 BUILD.EXE Tag: 102767
  - 15
    - Power management problem in 5.1 NDIS miniport driver Hi, all I'm currently implementing the power management logic in the NDIS miniport driver of our PCI wireless card. We would like our driver to make sure the card is in D0 state during the driver initialization. But there seems to be a problem. Obviously, I can't access our PCI configuration space in DriverEntry, since at this stage the driver doesn't even know what devce it's going to work with, let alone having its configuration space mapped. I thought I'd take care of the transition to D0 in our MiniportInitialize callback, but the thing is this callback is not even called when the card happens to be in D3 state upon drier initialization. I used a debugger to see what other NDIS drivers do. I've found out that, for instance, when the DriverEntry function of RealTek 8139 card's driver (also NDIS 5.1. based) is called, the device is always in D3 state (I used !pci command of WinDbg to examine the card's PCI configuration space). Then I set breakpoints on every callback function registered by the call to NdisMRegisterMiniport from DriverEntry. The first callback to be called was InitializeHandler and, somehow, by the time it was called the card's power state had already been changed to D0! I wonder what and how caused this to happen, as this is precisely what I need my driver to be capable of doing. I do believe I could achieve this in a NDIS 6.0 driver - probably, providing an optional handler for AddDevice IRP would give me an appropriate context for writing to the configuration space causing the device to switch to D0. But I really have no idea how this could be done in an NDIS 5.1 driver. Yet, this is precisely what the RealTek 8139 driver manages to pull off. Any help on the issue will be highly appreciated. Regards, Alexey Tag: Crash of WDK 6001 BUILD.EXE Tag: 102762
  - 16
    - pci slot (device) number Hi, in the past my (WDM based) driver needed to extract the pci bus number and the slot (device - i.e the location on the bus) number for a device. this was easy to do using the HalGetBusData routines. nowdays, these routine are obsolete and my new driver is WDF based. though, i still need to get these numbers (bus & slot(device) numbers) and having trouble with the device number. using the WDF routine "WdfDeviceAllocAndQueryProperty" i'm able to retrieve the bus number easily using the "DevicePropertyBusNumber" prperty. BUT, extracting the slot(device) number is something i cant figure out (i can only get it by using the WdfDeviceAllocAndQueryProperty routine with a DevicePropertyLocationInformation attribute but then i have to parse a string which not seems like a good way). so, my question is how is the best way to replace the HalGetBusData routine for extracting a devices slot(device) number. can i somehoe use the PCI_SLOT_NUMBER structure along with "IRP_MN_READ_CONFIG" ? thanks a lot, kobi. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102760
  - 17
    - Bulk transfer with UVC driver Hi, I am developing an UVC device. In order to increase the transfer rate I'd like to use a bulk endpoint for the video transfer. I can successfully enumerate and create a filter graph with my device, but as soon as I start the graph, my machine reboots. Note that this does not happen if I use an isochronous endpoint. The blue screen error that shows up is 0x0000007F with the first parameter 0x00000000 (division by zero). Is bulk transfer supported for the current xp sp2 usbvideo.sys driver? Is this a known bug? What's the best setup to debug this situation? Any other hint? Thanks AT Tag: Crash of WDK 6001 BUILD.EXE Tag: 102752
  - 18
    - windbg problem - still showing old structures hi all, I modified a DDK sample ( many structures changed, but same names ) and when i use windbg, it still shows the old structure fields! ( outdated stale info ). since, i was not sure from where windbg picks up this stale symbol info, I renamed most of the stuff, deleted many leftover intermediate files ( like .OBJ ) from the original DDK sample , still WINDBG showing the old structure fields. Has anybody faced this and how to fix this. All trivial things were tried, like !sym noisy and .reload commands. The newly built PDB file is only loaded. Able to set BPs, etc * the DDK sample in question is network E100BEX * latest windbg version 6.8.0004.0. About box also shows 5.0 ( build 2600.xpsp_sp2_gdr.....:sp2 ) * tried both new DDK versions , build 6000 & 6001 * target VISTA and host xp-sp2 thro 1394 * local symbols any clues? thx ugk Tag: Crash of WDK 6001 BUILD.EXE Tag: 102749
  - 19
    - How to disable an intermediate driver? When I open the networking connections and check one connection's properties, i could see the im driver i made was listed in the items list. There is a check box on the left of each item, if i uncheck the box, which means that the item is to be disabled. So the question is What a "disable" means in this circumstance? Does it means that the corresponding service will be stopped, or the driver will be unload, or any other else? I just want to know... The other question is that how can i write an application to control the status of this? That is through the code to contorl the "enable" or "disable". I searched google but could not find some information about it. Thank you for any advice... Tag: Crash of WDK 6001 BUILD.EXE Tag: 102746
  - 20
    - Tracing using the WPP I plan to add the tracing capability to the driver using the WPP. According to Microsoft's document, the performance impact to the driver is very low. I would like to know if it is true or not from people here. If you have ever added this feature in your driver, can you feedback your opionions. Thanks. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102741
  - 21
    - TCP Stop Working I have an ndis miniport driver that I've developed. ARP, TCP, ICMP, etc, all seem to work fine. But when I run an extened test that sends data over a socket for about 10 minutes straight, TCP stops working on the entire system. Other protcols are still working, because ping works just fine. It's not just my miniport interface that doesn't work. I can't get TCP to work on any network interface. When I try to run ipconfig I get the following error "The application failed to initialize properly (0xc0000142). Click on OK to terminate the application." I also tried running Ethereal after the error occurred, and it can't even find any interfaces to bind to. I have driver verifier turned on my driver, and no errors were detected. Has anyone ran into this condition before? How do you debug a system in this state? Thanks, Michael Tag: Crash of WDK 6001 BUILD.EXE Tag: 102740
  - 22
    - Driver to work around WriteFile access denied issue in Vista I wrote a program, several years old, which uses WriteFile to write to sector 0 on compact flash disks. As has been noted in other threads this fails under Vista with an access denied message. (I haven't seen this change noted in MSDN documentation.) The work around given in the threads is to write a driver to do the write. Since this is an apparent common problem and I have never before written a driver myself, I was hoping there might be some example source code or hopefully an installable driver already avaialble. Does anybody know of any? Thanks in advance. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102739
  - 23
    - PtSendComplete Adapter=NULL My intermediate driver is crashing on random occations at PtSendComplete() it seem like the Adapter become NULL when the driver call NdisMSendComplete( TransportHandle, OriginalPacket, Status ); . However the Adapter is always valid until NdisMSendComplete get call. below is my seudocode: VOID PtSendComplete(IN NDIS_HANDLE ProtocolBindingContext, IN PNDIS_PACKET Packet, IN NDIS_STATUS Status ) { -passed lower MP adapter context -get fully iniialized context -complete the original packet back to the higher layer -get the original packet, passed down from the transport -deallocate the chained buffers -Check if this is the duplicate packet -recyle the resources if done witht the copy of the packet -complete the original packet if it came from an upper transport -need to use the original send adapter to pass the completed packet back to the one that sent it. TransportHandle = OriginalAdapter->IMNdisHandle; NdisInterlockedIncrement(&Adapter->PtSendCompleteCount); ===>invalid handle happend here.<=== NdisMSendComplete( TransportHandle, OriginalPacket, Status ); } If I have a condition to check for NULL adapter, what will it happend if it NULL? is this become memory leak? Why is the adapter become NULL in the middle of the process? how do I avoid the Adapter become NULL so it not going to BSOD? Thanks Tag: Crash of WDK 6001 BUILD.EXE Tag: 102738
  - 24
    - How do you make a WDF driver create .Raw & .Translated resources? I'm trying to convert a legacy device driver, which was created with BlueWater's DriverWizard, to WDF. The legacy driver creates MyDriverName.Raw & MyDriverName.Translated resources under MACHINE\HARDWARE\RESOURCEMAP\PnP Manager\PnpManager, but the WDF driver does not. How do I make the WDF driver create these resources? /Russ Tag: Crash of WDK 6001 BUILD.EXE Tag: 102735
  - 25
    - Dispatch and Completion routine synchronisation Dear all, I am a little confused because I keep finding contradicting information about this issue. In a dispatch routine, I set a completion routine and then forward the Irp to the lower driver. Something like this: IoSetCompletionRoutine(Irp, CompletionRoutine, &Event, NULL, NULL, NULL); Status = IoCallDriver(...); if (Status == STATUS_PENDING) KeWaitForSingleObject(...); ... Do some processing... IoCompleteRequest(...); return (Status); So, at the moment my completion routine is tiny and looks a little like this: KeSetEvent(...); return (STATUS_MORE_PROCESSING_REQUIRED); Requirements for the completion routine is to just signal an event so my dispatch routine has an opportunity to do some processing. I've looked at lots of sample code, DDK docs and newsgroup postings and I still am not exactly sure what I should do in terms of what I do in the completion routine and what NTSTATUS value I return from the dispatch routine. 1. Should I check for Irp->PendingReturned and call IoMarkIrpPending(Irp) in the completion routine? (The WDK docs imply that I do not because my completion routine is just signalling an event, but other resources state that the synchronicity of the Irp must be propogated). 2. I assume that because I have halted completion processing with STATUS_MORE_PROCESSING_REQUIRED) , I need to call IoCompleteRequest(...) to allow completion processing to continue. 3. What do I return from my dispatch routine? The status of IoCallDriver or Irp->IoStatus.Status? It feels like I have changed the synchronicity of the Irp so it should be Irp->IoStatus.Status. Many thanks in advance! Carl Tag: Crash of WDK 6001 BUILD.EXE Tag: 102730
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  - 1
    - IRP_MJ_READ/IRP_MJ_WRITE Buffer Confusion. Dear all, I am confused about which buffer is of interest in read/write dispatch routines (and their completion routines). I understand the differences between direct, buffered and neither buffers. So far, I've concluded that: 1. If Irp->MdlAdress exists, use that. 2. If the lower device object Flags specify DO_BUFFERED_IO then use Irp->SystemAddress.Buffered. 3. If none of the above hold true, then use Irp->UserBuffer. Quite frankly, the above rules makes me nervous because I made them up as I went along! What are the exact rules I should follow? Many thanks in advance! Carl Tag: Crash of WDK 6001 BUILD.EXE Tag: 102729
  - 2
    - AVStream driver show upside-down video for RGB24 format Dear All, I wrote a avstream video capture driver based on the avshws driver sample code. But I found that the FormatRGB24Bpp_Capture structure's bimHeader.biHeight is -D_Y. It's negative value. It will fail to connect the Video renderer in graphedit. If I change it to positive D_Y, then it can render OK. But the video is upside-down. I searched the answer in the web, it looks the negative Height is indicate the bottom-up bitmap. The imageSynth will create a bottom-up frame data to fill into the mapping buffer of the stream queue. But my PCI device can generate only top-down video. And I don't want to use CPU to flip the video data. Is there any way to fix this problem? I ever tried to return my pin's descriptor VideoInfoHeader in the IntersectHandler routine. If can pass the pin connection with negative Height value and the video is correct showing. But the negative Height setting will cause black display in YUY2 format when use AMCAP to preview. Any response is appreciated! Best regards Jerry Pan Tag: Crash of WDK 6001 BUILD.EXE Tag: 102724
  - 3
    - Regarding DTM set up for LAN. Hi, I am doing whql test for LAN device driver (Vista driver). For the DTM set up of LAN, is it Ok if I use one client machine with XP OS and another client machine with Vista OS ? More precisely the NDIS test server will be mchine with XP loaded and the NDIS client machine will be with vista loaded. Is it ok? This is the same setup for DTM setuo of LAN provided in whql help docs . Need immediate help. Rgds, Ram Tag: Crash of WDK 6001 BUILD.EXE Tag: 102717
  - 4
    - Newbee: Debugging Blue Screen? Hello, I'm getting a "blue screen" on an IBM x3950 running Windows 2003 Server when reading a word from a custom PCI board: *** Hardware Malfunction. Call your hardware vendor for support. *** The system has halted. *** What is the best way to get started debugging this problem? Thanks, Kent Tag: Crash of WDK 6001 BUILD.EXE Tag: 102710
  - 5
    - How to get the device instance id of a disk or volume? I am developing a software where I store the Instance ID of every disk in the system. How can I get the Instance ID from a disk number? e.g I want Instance ID of DIsk0 DIsk1 etc.? here is what I am doing 1] SetupDiClassGuidsFromNameA("DiskDrive",***); to get the GUID for disk drives 2]SetupDiEnumDeviceInf(***) to enumrate all the disks.This gives me Instance ID's of all the disks but how can I get the device instance ID of spesific disk(like Disk0)? Tag: Crash of WDK 6001 BUILD.EXE Tag: 102699
  - 6
    - How to get the device instance id of a disk or volume? I am developing a software where I store the Instance ID of every disk in the system. How can I get the Instance ID from a disk number? e.g I want Instance ID of DIsk0 DIsk1 etc.? here is what I am doing 1] SetupDiClassGuidsFromNameA("DiskDrive",***); to get the GUID for disk drives 2]SetupDiEnumDeviceInf(***) to enumrate all the disks.This gives me Instance ID's of all the disks but how can I get the device instance ID of spesific disk(like Disk0)? Tag: Crash of WDK 6001 BUILD.EXE Tag: 102698
  - 7
    - Creating a Silent Install for VPN I'm trying to create a silent install for my works VPN program and am having trouble creating or recording the answer file. I've read a few walktroughs on silent installations and have been trying to use setup.exe /r to record the installation process with all the information required to do a custom install. When trying to use /r a window pops up with all available commands and combinations. I'm stuck at the moment and would greatly apperciate some direction from the pros. Any help would be appreciated. Thanks, Lorenzo Tag: Crash of WDK 6001 BUILD.EXE Tag: 102697
  - 8
    - ndis------Leaking the resource When i use "prefast build -c", i got this message, which i could not understand. NdisAcquireSpinLock(&pAdapter->Lock); protocol.c(679) : warning 8103: Leaking the resource stored in 'NdisSpinLock:pAdapter->Lock'. problem occurs in function 'ProtocolSendComplete' Path includes 17 statements on the following lines: 640 640 641 642 652 654 656 667 668 669 674 675 679 680 681 682 683 That to say there is leaking resource, but i just write the code like this: NdisAcquireSpinLock(&pAdapter->Lock); pAdapter->OutstandingSends--; NdisFreeSpinLock(&pAdapter->Lock); so, how the leak happened? Tag: Crash of WDK 6001 BUILD.EXE Tag: 102693
  - 9
    - Creating a virtual network card (VLAN) from a script I'm looking for a way to create a virtual network card from a script instead of Windows UI.. I succeeded to install the Protocol driver from a script but didn't find a way to create new VLANs without using the UI. I used the notify dll that comes with mux sample in WDDK. My questions are: - Can I expose a new method in my notify dll for adding a new VLAN, and call it from a script? - Is there a generic tool that makes it? - Do you have a sample code? Thanks Uri Tag: Crash of WDK 6001 BUILD.EXE Tag: 102692
  - 10
    - Driver installation warning, driver signing and WHQL Hi group, I have a device driver from FTDI which I am using in my software product (for Windows XP). The driver is already WHQL cedrtified. I changed the driver .inf file such that it contains my company's vendor- and product ID which results in loosing the WHQL certification. Software and driver work as expected but: The driver is not installed automatically during the software installation procedure. Instead, Windows complains about the driver and says it is not signed/certified and may harm my computer. 1) How do I get rid of those warning dialogs during driver installation? My guess is that the driver has to be (re-) certified/ signed. Is that true? 2) How do re-certify an already WHQL certified device driver? I figured out that there is the WHQL reseller program. To participate, I (my company) has to sign a lot of legal stuff. Before I continue, I would like to know if I am on the right track... 3) If the WHQL reseller program is the right thing to do to get rid of the warning message during installation, what is the result of this? How is my driver resigned/recertified? Will I get some file from Microsoft with magic information telling the driver is fine? If so, what do I do with this file? 4) I searched the Microsoft WHQL internet pages but it drives me crazy. I cannot find the information I need. Is there a source of useful (!) information about driver signing/certifying and WHQL you can point me to? Thanks for your answers! Regards, Paul Tag: Crash of WDK 6001 BUILD.EXE Tag: 102689
  - 11
    - firewire hard drive & isochronous transfer How do the firewire hard drives work with isochronous transfer? The isochronous transfers can guarantee constant speed but there is possibility of data loss. Do the firewire hard drives use the isochronous transfer? If yes, will be data get lost? thanks in advance min Tag: Crash of WDK 6001 BUILD.EXE Tag: 102681
  - 12
    - COM ports disappear with install / remove cycle my driver installs one or more COM ports. After I have installed the devices and removed them again, the next install sometimes uses higher COM port numbers. There must be a map somewhere of free COM numbers, which I have to reset, but so far I have not found it yet. Anyone have an idea? Thanks, Jan Tag: Crash of WDK 6001 BUILD.EXE Tag: 102666
  - 13
    - keyboard/mice problem after using Hauppauge USB TV Card I use a Hauppauge USB analog TV Card. After a lot channel switching or just use I can't use any Keyboard or Mice(just Mouse Key 1 and 2 are in function) anymore. I can use all type ov viewing software(hauppauge software or DScaler), everywhere the same problem. If I log off an relogin in Windows XP all is ok. How can I check if it is an Driver Problem? It seems so. regards Tobias Philipp Tag: Crash of WDK 6001 BUILD.EXE Tag: 102664
  - 14
    - how can I get a vista device handle? maybe it is easy when you run the function in a wdf device driver. but I have a wdm driver, want to talk to wdf driver. how can I do that? IoGetDeviceObjectPointer( &unicodeName, FILE_READ_ATTRIBUTES, &pFile, &pDevice ); wdfFile = *((WDFFILEOBJECT *)pFile); wdfDevice = WdfFileObjectGetDevice(wdfFile); it can get the fileobject and device object when I know the wdf device name-"unicodeName", and later I force the pointer to WDFFILEOBJCT, it tell me access memory error. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102661
  - 15
    - pIsochDetachData->AttachStatus This is a multi-part message in MIME format. ------=_NextPart_000_0008_01C86377.FDF355A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In the 1394 kmdf sample driver in WDK6000, the function 't1394_IsochAttachBuffers' uses a variable = pIsochDetachData. -------------------------------------------------------------------------= -------------- // need to save hResource, numDescriptors and Request to use when = detaching. // this needs to be done before we submit the irp, since the isoch = callback // can be called before the submitirpsynch call completes. PISOCH_DETACH_DATA pIsochDetachData; pIsochDetachData =3D ExAllocatePoolWithTag(NonPagedPool, sizeof(ISOCH_DETACH_DATA), POOLTAG_1394); -------------------------------------------------------------------------= -------------------------------------------------------- PISOCH_DETACH_DATA is defined as -------------------------------------------------------------------------= -------------------------------------------------------- typedef struct _ISOCH_DETACH_DATA { LIST_ENTRY IsochDetachList; PDEVICE_EXTENSION DeviceExtension; PISOCH_DESCRIPTOR IsochDescriptor; WDFREQUEST Request; PIRP newIrp; PIRB DetachIrb; PIRB AttachIrb; NTSTATUS AttachStatus; KTIMER Timer; KDPC TimerDpc; HANDLE hResource; ULONG numIsochDescriptors; ULONG outputBufferLength; ULONG bDetach; } ISOCH_DETACH_DATA, *PISOCH_DETACH_DATA; = -------------------------------------------------------------------------= -------------------------------------------------------- What exactly says the NTSTATUS value 'AttachStatus' from = pIsochDetachData?=20 It seems, it gets already a value direct after calling = 'ExAllocatePoolWithTag'... thanks in advance min ------=_NextPart_000_0008_01C86377.FDF355A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.6000.16587" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT face=3DArial size=3D2>In the 1394 kmdf sample driver in=20 WDK6000,</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>the function=20 't1394_IsochAttachBuffers' uses a variable=20 pIsochDetachData.</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial=20 size=3D2>----------------------------------------------------------------= -----------------------</FONT></DIV> <P><FONT face=3DArial size=3D2>// need to save hResource, numDescriptors = and Request=20 to use when detaching.</FONT></P> <P><FONT face=3DArial size=3D2>// this needs to be done before we submit = the irp,=20 since the isoch callback</FONT></P> <P><FONT face=3DArial size=3D2>// can be called before the = submitirpsynch call=20 completes.</FONT></P> <P><FONT face=3DArial size=3D2>PISOCH_DETACH_DATA = pIsochDetachData;</FONT></P> <P><FONT face=3DArial size=3D2>pIsochDetachData =3D=20 ExAllocatePoolWithTag(NonPagedPool,</FONT></P> <P><FONT face=3DArial size=3D2>sizeof(ISOCH_DETACH_DATA),</FONT></P> <P><FONT face=3DArial size=3D2>POOLTAG_1394);</FONT></P> <P><FONT face=3DArial=20 size=3D2>----------------------------------------------------------------= -----------------------------------------------------------------</FONT><= /P> <P><FONT face=3DArial size=3D2></FONT> </P> <P><FONT face=3DArial size=3D2>PISOCH_DETACH_DATA is defined = as</FONT></P> <P><FONT face=3DArial=20 size=3D2>----------------------------------------------------------------= -----------------------------------------------------------------</FONT><= /P> <P><FONT face=3DArial size=3D2>typedef struct _ISOCH_DETACH_DATA = {</FONT></P> <P><FONT face=3DArial size=3D2>LIST_ENTRY IsochDetachList;</FONT></P> <P><FONT face=3DArial size=3D2>PDEVICE_EXTENSION = DeviceExtension;</FONT></P> <P><FONT face=3DArial size=3D2>PISOCH_DESCRIPTOR = IsochDescriptor;</FONT></P> <P><FONT face=3DArial size=3D2>WDFREQUEST Request;</FONT></P> <P><FONT face=3DArial size=3D2>PIRP newIrp;</FONT></P> <P><FONT face=3DArial size=3D2>PIRB DetachIrb;</FONT></P> <P><FONT face=3DArial size=3D2>PIRB AttachIrb;</FONT></P> <P><FONT face=3DArial size=3D2>NTSTATUS AttachStatus;</FONT></P> <P><FONT face=3DArial size=3D2>KTIMER Timer;</FONT></P> <P><FONT face=3DArial size=3D2>KDPC TimerDpc;</FONT></P> <P><FONT face=3DArial size=3D2>HANDLE hResource;</FONT></P> <P><FONT face=3DArial size=3D2>ULONG numIsochDescriptors;</FONT></P> <P><FONT face=3DArial size=3D2>ULONG outputBufferLength;</FONT></P> <P><FONT face=3DArial size=3D2>ULONG bDetach;</FONT></P> <P><FONT face=3DArial size=3D2>} ISOCH_DETACH_DATA, = *PISOCH_DETACH_DATA;</FONT></P> <DIV><FONT face=3DArial=20 size=3D2> ----------------------------------------------------------= -----------------------------------------------------------------------</= FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>What exactly says the NTSTATUS value = 'AttachStatus'=20 from pIsochDetachData? </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>It seems,  it gets already a = value direct=20 after calling 'ExAllocatePoolWithTag'...</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>thanks in advance</FONT></DIV> <DIV><FONT face=3DArial size=3D2>min</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV></BODY></HTML> ------=_NextPart_000_0008_01C86377.FDF355A0-- Tag: Crash of WDK 6001 BUILD.EXE Tag: 102660
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    - kernel memory Hi, i have a very basic question regarding kernel memory allocation. is allocating kernel memory always performed on some kind of pool (paged or nopaged) ? is there any memory allocation methods that acts on a "regular" memory, meaning type of memory other than paged or nopaged ? since kernel memory space is about 1G, i'm a bit confused since both the paged pool and the non paged pool are smaller than 1G. so what with the rest of the memory ? can i allocate more than the pools have to offer ? if so, how ? since all the routines deal with a pool type (paged or non paged). thanks a lot, kobi. Tag: Crash of WDK 6001 BUILD.EXE Tag: 102655
  - 17
    - MSI IRQ is negative in device manager Running on Vista32, I have a PCIe device that supports MSI. The CM_PARTIAL_RESOURCE_DESCRIPTOR has a value of 0x8 for the MessageInterrupt.Translated.Level member, but device manager shows that the IRQ is 0xFFFFFFFC ( -4?). There is a KB that describes this situation but does not indicate whether this is expected behavior or anything of that nature. It merely says it is aware of it. http://support.microsoft.com/kb/940394 Can anyone shed some light on this? Tag: Crash of WDK 6001 BUILD.EXE Tag: 102654
  - 18
    - staticdv -> This is not a valid driver folder. Hi, IÂ´m trying to use staticdv for a audio codec and i get the follow error (tested in checked and free): --------------------------------------------------------------------- Microsoft (R) Windows (R) Static Driver Verifier Version 1.4.251.0 Copyright (C) Microsoft Corporation. All rights reserved. --------------------------------------------------------------------- Warning: A driver (or a library) will be processed in the CHK build environment. Build 'ACM.AudioCodec' ...Done This is not a valid driver folder. which is the correct structure for this check ? the build and prefast works fine. Thanx, Daniel Tag: Crash of WDK 6001 BUILD.EXE Tag: 102649
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    - NDIS6 - Renew IP Address Hello, I'm writing a miniport driver for NDIS6 (Vista) which emulates 802.3 network device, but the actual physical device is different. Within a certain scenario I need the overlying protocol(s) to renegotiate the IP Address. I'm trying to follow the MSDN documentaion thus sending the status NDIS_STATUS_NETWORK_CHANGE with the specific NDIS_NETWORK_CHANGE_TYPE (NdisDefinitelyNetworkChange or NdisPossibleNetworkChange, i've tried them both). Unfortunatly, I couldn't obtain a new IP Address. when I run "ipconfig /renew" manualy I get a new IP easily. I've also seen in a sniffer that no DHCP Request is sent when my miniport indicates the status above (NDIS_STATUS_NETWORK_CHANGE ). In the past, for my previous miniport driver for NDIS5 (XP) the "trick" to renew the IP from the miniport was to indicate "link down" and "link up" in a row. in that case it worked fine. But now, running with NDIS6 I dont know the correct method for doing it. Can anybody help? Thanks Yogev Tag: Crash of WDK 6001 BUILD.EXE Tag: 102648
  - 20
    - File filter driver or MUP network redirector? Hi I have a design session coming up where the ultimate aim is to protect parts of the file system from prying eyes using either a MUP network redirector ( assuming file system mounted through remoted shares) or a file system filter driver using filter manager. I need to clear up some assumptions : Is mup a client or server side ( or both ? ) technology ? I understand I need to write a network redirector driver that owns a VNC path and will manage access to that path. If the unc path is on a file server - what needs to be done at the file server ? The file mini filter will need to intercept all calls to the filesystem. I have big fears about all the different MJ call types I will have to handle - fast IO, asynch io etc. What is the best plan to handle this - my opinion is to route them all through a common procedure and allow/disallow access as appropriate ut this can be a lot of different calls which expect different handling. This may lead to deadlocks and performance problems if not very carefully handled on a busy fileserver. The major benefit to me of the latter is that it can be installed everywhere - so a common build. Any commentsw or guidance as when to use one and when to use the other. The WDK docs on MUP haven't been terribly clear to me yet. regards Mike Tag: Crash of WDK 6001 BUILD.EXE Tag: 102645
  - 21
    - Bulkusb.sys performance hi, I have adapted bulkusb.sys (WDK 6000) for my usb device driver. With the driver communicating on interrupt endpoint i am not able to get performance more than 15Mbits/sec. However with the same device and application but driver from "thesycon" i.e. USBIO, performance is about 80Mbits/sec. Can some one tell why ? or if someone has the performance figures of bulkusb.sys or if some can guide how to improve the performance. Regards, Tag: Crash of WDK 6001 BUILD.EXE Tag: 102644
  - 22
    - Winusb.sys and winusb.lib source Hi , Is the source code of winusb.sys and winusb.lib available. It could be needed if some optimization is to be done. Regards, anshul Tag: Crash of WDK 6001 BUILD.EXE Tag: 102642
  - 23
    - NDIS setup and DTM seup for LAN is different Hi, 1. Are the NDIS setup and DTM setup for LAN is different ?Please let me know as I observed the difference between them. 2. In the DTM setup for LAN, local message device is not mentioned but in running the LAN test this is mentioned. This is confusing so please help to understand it. Rgds, Ram Tag: Crash of WDK 6001 BUILD.EXE Tag: 102639
  - 24
    - Problem reconfiguring PCI-e device in Vista Hi, I'm writing a driver for a proprietary PCI-e adapter. The board contains multiple FPGA-based PCI-e devices behind a PCI-e bridge. From time to time, we need to reconfigure the FPGA's while the system is alive. We do not however want the system to reboot (think of it as hot- swapping without physically replacing the device). The problem is that the FPGA's incorporate the PCI-e interface so that they cannot be reconfigured while they are active. In XP we finally managed to reconfigure the FPGA's by first calling CM_Query_And_Remove_SubTree() on the bridge (being the parent devices of our FPGA's). This causes the FPGA-devices to be switched to the D3- state, after which they can safely be reprogrammed. We then call CM_Reenumerate_DevNode() on the parent of the bridge device so that the new FPGA-devices are recognised again. In Vista however, the system seems to automatically re-enumerate the PCI bus immediately after the CM_Query_And_Remove_SubTree() has completed. This causes the FPGA's to be accessed while they are being configured resulting in a BSOD (Machine-check-excpetion). - Any idea how to disable (or delay) the re-enumeration of the PCI- bus? - Any link to more extensive documentation of the internals of the PnP system? I've found many ways to manage PnP devices, but little or no information about what is happening behind the scenes. - Any suggestions for alternative methods to achieve the reconfiguration? Note: redesigning our hardware is no option. Thanks in advance for your help, Koen Tag: Crash of WDK 6001 BUILD.EXE Tag: 102638
  - 25
    - Vista 32 bit display driver for small lcd's on USB Hi I need to make a solution which permits having secondary monitors on USB (small ones - vga/qvga) As far as I seen the display driver model has changed completly from the XP. Does anybody know a good startpoint for a vista display driver? The R200Sample from the WDK is a good starting point? A second problem is that Vista does not permits having two WDDM display drivers from different vendors. Does anybody knows solutions for this? XPDM is not really an option (only last one) since it switches off aero on primary monitor too which is something would need to avoid ... regards, -- -Barni Tag: Crash of WDK 6001 BUILD.EXE Tag: 102637

Reported to MS using Windows Error Reporting.

Crash occurs if the directory listed in DIRS is absent.

--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com

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