Re: Non-paged pool leak in HID Class driver by Daniel
Daniel
Fri Feb 17 06:45:31 CST 2006
The problem was solved by reading all the reports and emptying the reports
queue in hidclass.
--
Thanks,
Daniel
"Daniel" wrote:
> I replaced the win2000 hidclass.sys with XP hidclass.sys and there is no more
> leak!
> I will try to find the cause of the problem but can replacing hidclass.sys
> cause side effects or cause unstabilty? How do I know that Windows 2000
> Service Pack 4 might have the fix?
> Note: Our system uses our Windows images only and only our USB devices are
> connected to the system.
>
>
> Thanks,
>
> Daniel
>
>
> "Doron Holan [MS]" wrote:
>
> > does the pool usage go down when you close your app? did you tell hidclass
> > to increase the amount of buffers it keeps in the read buffer?
> >
> > d
> >
> > --
> > Please do not send e-mail directly to this alias. this alias is for
> > newsgroup purposes only.
> > This posting is provided "AS IS" with no warranties, and confers no rights.
> >
> >
> > "Daniel" <Daniel@discussions.microsoft.com> wrote in message
> > news:3D20630D-A944-4F2E-9036-AFE976CD86F2@microsoft.com...
> > > Hi,
> > >
> > > I used pooltag and found that the non-paged pool bytes used in HID Class
> > > driver is increasing about 200 KB per hour and the number of allocations
> > > minus the frees is also increasing (1 per second). The problem occurs in
> > > Windows 2000 but does not occur in XP. We have a program and a driver that
> > > interacts with the Hid Class driver. What in our program/driver can cause
> > > a
> > > leak in Windows 2000 and not in XP?
> > >
> > > Thanks,
> > >
> > > Daniel
> >
> >
> >