On Aug 31, 2010, at 9:40 AM, Glenn Eychaner <geychaner@xxxxxxx> wrote:
> On Aug 31, 2010, at 9:36 AM, Glenn Eychaner wrote:
>
>> On Aug 26, 2010, at 12:00 PM, centos-request@xxxxxxxxxx wrote:
>>
>>>> ?Is there someplace can I find *detailed* release notes on the
>>>> differences between -164 and -194 kernels to help in looking for
>>>> the problem, pinning it down, and submitting a patch (and/or
>>>> building my own kernel), or should I just download the SRPMS and
>>>> dig in?
>>>
>>> You can find kernel changelog diffs here (maintaind by Alan
>>> Bartlett):
>>>
>>> http://www.centos.toracat.org/ajb/kernel-clog-diff/
>>
>> Is there any place that I can find RPM or SRPM packages for the
>> kernels between 18-164 and 18-194 that are listed in this kernel
>> log? It would really help narrow down the problem if I could just
>> build each kernel version and test it; then at least I'd only have
>> one set of differences to go through rather than 30.
>
>
> Having read the kernel log diff list, and searched it for items
> related to "sound", I'm really suspicious of the following listed
> change:
>
> * Mon Dec 21 2009 Jarod Wilson <jarod@xxxxxxxxxx> [2.6.18-183.el5]
> [...]
> < - [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela)
> [525390]
>
Seeing this reminded me of a sound problem I had with the 194 kernel.
I did a kernel rebuild minus the patch. Found that I needed to edit
the modprobe.conf file and explictly define the order for the sound
cards. For some reason prior kernels were happy with just one index=0
line for my intel device. With later kernel I needed to also add an
entry for another sound device I didn't know I had and define it as
index=1.
HTH
> How do I go about backing out this change (reverting the alsa hda
> drivers in the -194 kernel to the -164 kernel versions) for testing?
>
> -G.
> --
> Glenn Eychaner (geychaner@xxxxxx)
> Telescope Systems Programmer, Las Campanas Observatory
>
>
>
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