[wdmaudiodev] Re: USB 3.0 issue when un-plug audio device
- From: Moore Zhang <chinahearing@xxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 28 Jun 2012 08:15:33 +0800
Intel's USB3 controller, device ID is VID_8086&HID_1E31. Both controller and
hub drivers are latest from Intel.
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Title: [wdmaudiodev] Re: USB 3.0 issue when un-plug audio device
Hi,
What USB3 Host Controller are you using?
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Moore Zhang
Sent: Wednesday, June 27, 2012 5:54 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] USB 3.0 issue when un-plug audio device
Hi Guys:
Some days ago, I test my usb audio driver in USB3.0 and BSOD occurs when I
un-plug device while it's still playing back. I attach windbg and set
breakpoint in all PnP and Power events. Very strange, when issue happens, none
of these events are hit until I stop music playing back. My audio driver is
written with AVStream framework.
0: kd> !drvobj myAudioDriver 0xf
Driver object (86642030) is for:
\Driver\ myAudioDriver
Driver Extension List: (id , addr)
(aea6de96 87b47338)
Device Object list:
86731b20
[16] IRP_MJ_POWER aea70cbc
ks!CKsDevice::DispatchPower
[1b] IRP_MJ_PNP aea6926e
ks!CKsDevice::DispatchPnp
So I set bp in ks!CKsDevice::DispatchPower and ks!CKsDevice::DispatchPnp. Then
reproduce this issue. Strange, both breakpoints in ks!CKsDevice::DispatchPnp
and DispatchPower are not hit until I stop music playback. Sometimes I have
chance to stop playing, and sometimes there is bug check hang.
This issue never happens in USB1.1 and 2.0 port. Is this a known issue, anyone
ever met the similar issue? Any idea is appreciated!
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