Re: Issues with HP DV4 laptop sound after Ubuntu Jaunty 9.04 upgrade

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Takashi,

I will take my queries there. Thanks for your help!!

Guy

Takashi Iwai wrote:
> At Mon, 04 May 2009 10:26:27 -0500,
> Guy Stalnaker wrote:
>> Hello again, Takashi,
>>
>> Can you think of why a new distribution might be the cause, or a change
>> that a new distribution makes, that would result in such behavior?  The
>> new distribution includes a new kernel and a new version of xorg (I
>> think), so everything on top of the hardware is new. What's damned
>> peculiar is that the HTML output interface is always recognized
>> successfully. It's only the Audio device: ATI Technologies Inc SBx00
>> Azalia (Intel HDA) on pci 00:14.2 that seems to have this issue.
>>
>> To add oddity to the issue, I brought the laptop to work this morning
>> and on boot the Audio device was successfully recognized and aplay -l
>> shows it a card 0!!
>>
>> I wonder ... do you think that it's possible that a keyboard, mouse,
>> printer, or some other USB device plugged into the laptop at boot could
>> affect something like this?  That's really the only difference between
>> work and home.
> 
> I guess it's an issue with ACPI or core PCI layer.  Or suspend, if
> this happens only after suspend/resume and not after a fresh boot.
> 
> In any way, I recommend you to report this on kernel bugzilla.
> 
> 
> Takashi

-- 
Guy Stalnaker, I2@DOIT, jstalnak@xxxxxxxx
1210 West Dayton Street, Room 3209 CSS, Madison WI 53706
work 608.263.8035, cell 608.235.4718, fax 608.265.6681
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