NetBSD Problem Report #46927

From diro@nixsyspaus.org  Sat Sep  8 22:38:04 2012
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Date: Sat,  8 Sep 2012 22:38:01 +0000 (UTC)
From: diro@nixsyspaus.org
Reply-To: diro@nixsyspaus.org
To: gnats-bugs@gnats.netbsd.org
Subject: audio(4) doesn't attache to HDMI hdaudio
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>Number:         46927
>Category:       kern
>Synopsis:       audio(4) doesn't attache to HDMI hdaudio
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Sep 08 22:40:01 +0000 2012
>Last-Modified:  Sun Jul 13 04:45:00 +0000 2014
>Originator:     diro@nixsyspaus.org
>Release:        NetBSD 6.0_RC1
>Organization:
>Environment:
System: NetBSD gift 6.0_RC1 NetBSD 6.0_RC1 (GIFT) #6: Sat Sep  1 04:44:23 UTC 2012  root@gift:/usr/obj/sys/arch/amd64/compile/GIFT amd64
Architecture: amd64
Machine: amd64
>Description:
Same dmesg as in PR pkg/46919. Highlights:

hdafg1 at hdaudio0: Intel G45 HDMI
hdafg1: HDMI00 8ch: Digital Out [Jack]

Devices clearly supports audio and i can hear some hissing on the device's
speaker when the cable is plugged in, so speaker for HDMI on device works.

Onboard audio: audio0 at hdafg0: full duplex, playback, capture, independent

Sounds works fine through that device.

>How-To-Repeat:

>Fix:


>Audit-Trail:
From: David Holland <dholland-bugs@netbsd.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/46927: audio(4) doesn't attache to HDMI hdaudio
Date: Sun, 13 Jul 2014 04:41:43 +0000

 On Sat, Sep 08, 2012 at 10:40:01PM +0000, diro@nixsyspaus.org wrote:
  > hdafg1 at hdaudio0: Intel G45 HDMI
  > hdafg1: HDMI00 8ch: Digital Out [Jack]
  > 
  > Devices clearly supports audio and i can hear some hissing on the device's
  > speaker when the cable is plugged in, so speaker for HDMI on device works.
  > 
  > Onboard audio: audio0 at hdafg0: full duplex, playback, capture, independent
  > 
  > Sounds works fine through that device.

 As I recall this was intentionally disabled because a lot of video
 cards have a ~useless HDMI hdaudio on them, and without taking
 explicit precautions they tend to become the default audio device and
 then your sound stops working.

 There's probably a better way to detect those, but I haven't any idea
 what it is.

 -- 
 David A. Holland
 dholland@netbsd.org

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