Jack detection testing - report

[Chris J Arges]

On 01/25/2012 03:26 AM, Colin Ian King wrote:
> On 25/01/12 08:40, David Henningsson wrote:
>> On 01/24/2012 09:23 PM, Chris J Arges wrote:
>>> On 01/23/2012 07:28 AM, David Henningsson wrote:
>>>> According to the wiki page
>>>> https://wiki.ubuntu.com/Audio/PreciseJackDetectionTesting
>>>>
>>>> We've tested the new jack detection backport kernel and PulseAudio on
>>>> seven machines. One user reported a regression; which turned out to be
>>>> one bug in PulseAudio and one bug in the kernel. I've fixed the
>>>> PulseAudio one myself.
>>>>
>>>> For the kernel patch I was in contact with upstream (it was an upstream
>>>> bug), who provided a patch which I've backported. A new tree has been
>>>> pushed [1] and I'm awaiting results from the reporter that this
>>>> resolves
>>>> his regression.
>>>>
>>>> Given his regression is resolved, do you think the patches are ready
>>>> for
>>>> inclusion into the 12.04 kernel? Would be nice to have the new stuff in
>>>> before Alpha 2, as that will give us even more testing of the
>>>> patches in
>>>> an early stage.
>>>>
>>>
>>> David,
>>> I just tested the latest build kernel as provided by Andy here :
>>> http://people.canonical.com/~apw/jack-detection-precise/
>>>
>>> it causes pulseaudio to crash on startup. Also audio no longer works for
>>> me on this laptop. My alsa-info is included in the wiki. Let me know
>>> what info you need and I can help debug this.
>>> Thanks,
>>
>> Hi and thanks for testing,
>>
>> I think both you and and Colin got stung by the same PulseAudio bug,
>> which I was able to resolve this morning. I've pushed a new PulseAudio
>> version to the PPA, but it's not scheduled to build until tomorrow :-(
>>
>> To confirm that the bug is actually fixed, you can either wait for
>> this build, or compile PulseAudio yourself, or make the following
>> changes:
>>
>> edit
>> /usr/share/pulseaudio/alsa-mixer/paths/hdmi-output-0.conf
>> /usr/share/pulseaudio/alsa-mixer/paths/hdmi-output-1.conf
>> /usr/share/pulseaudio/alsa-mixer/paths/hdmi-output-2.conf
>> /usr/share/pulseaudio/alsa-mixer/paths/hdmi-output-3.conf
>>
>> For every one of the above files, change
>>
>> name = HDMI/DisplayPort
>>
>> to
>>
>> description = HDMI / DisplayPort
>>
>> in short, "s/name/description".
>>
>> Please let me know your result of doing this. Thanks!
>>
> Yep, did this and I no longer get the crash. :-)
> 
> Colin
> 
David,
Thanks this resolves my issue after a reboot. Will update the wiki
accordingly.
--chris j arges