Hi ALL
I meet a problem after install Vista Inbox hdaudio Driver and do S4
sleep Test for several times.
the Stack is:
85bb8b44 9aaac124 HdAudio!CAzCommon::SendVerb+0x1f 85bb8b70 9aaac329
HdAudio!CAzAfGroup::SendVerb+0x4c 85bb8b9c 9aab7b58
HdAudio!CAzAfGroup::SetPowerState+0x5d
85bb8bb8 999979b0 HdAudio!AzPower::PowerChangeState+0x144
85bb8bd4 81cacb3b portcls!PowerIrpCompletionRoutine+0x1bd
85bb8c08 804ed4f9 nt!IopfCompleteRequest+0x13d 85bb8c1c 804f7403
Wdf01000!FxPkgPnp::CompletePowerRequest+0x2a
85bb8c30 804f24ec Wdf01000!FxPkgPdo::PowerReleasePendingDeviceIrp+0x 23
85bb8c44 804f19c2 Wdf01000!FxPkgPnp::PowerStartSelfManagedIo+0x8f
85bb8cbc 804f30ae Wdf01000!FxPkgPnp::PowerEnterNewState+0x169
85bb8ce8 804f3403 Wdf01000!FxPkgPnp::PowerProcessEventInner+0x212
85bb8cfc 804f9f34 Wdf01000!FxPkgPnp::_PowerProcessEventInner+0x26
85bb8d28 804f9fdc Wdf01000!FxEventQueue::EventQueueWorker+0x47
85bb8d30 81d8c882 Wdf01000!FxThreadedEventQueue::_WorkItemCallback+0 xd
85bb8d44 81c78e18 nt!IopProcessWorkItem+0x23 85bb8d7c 81e254a8
nt!ExpWorkerThread+0xfd 85bb8dc0 81c9145e nt!PspSystemThreadStartup+0x9d
00000000 00000000 nt!KiThreadStartup+0x16

Does somebody meet same problem?
can you give some advice?

thanks very much

rech