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kern/42050: audio init fails on non-recording hdaudio device

>Number:         42050
>Category:       kern
>Synopsis:       audio init fails on non-recording hdaudio device
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Sep 11 17:55:00 +0000 2009
>Originator:     Arto Huusko
>Release:        NetBSD 5.99.16
System: NetBSD mutteri.local 5.99.16 NetBSD 5.99.16 (MUTTERI) #8: Thu Sep 10 
21:33:38 EEST 2009 
Architecture: x86_64
Machine: amd64
    Audio init fails on a hdaudio device that does not support recording,
    such as HDMI output on ATI Radeon. Relevant dmesg lines are:

hdaudio0: interrupting at ioapic0 pin 19
hdafg0 at hdaudio0 vendor 0x1002 product 0xAA01 nid 0x01 (firmware 
audio0 at hdafg0: full duplex, independent
audio: could not allocate record buffer
    Boot hdaudio kernel on system with output only hdaudio, and see it fail.
    Don't try and fail to init recording on device that does not support

     NetBSD 5.99.16

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