[arch-general] Panic - no sound devices after upgrade

[Ray Rashif]

On 20 July 2011 21:11, Fons Adriaensen <fons at linuxaudio.org> wrote:
> It seems I have *two* machines having this problem, both updated
> yesterday. I didn't test the audio on the first one as everything
> seemed to be OK. The second one was actually updated using pacserve,
> with only a few packages coming from the mirror, the rest being
> provided by the first updated machine. Also this went so smoothly
> that I forgot to mention it.
>
> Today, on both machines, the 'missing file' errors from udev have
> disappeared. But you'll find yesterday's ones, rc.conf, pacman.log
> and fstab here: <http://kokkinizita.linuxaudio.org/archinfo.tar.bz2>.
> Use wget, there are no links to this.

Here are the most significant packages:

[2011-07-19 15:47] upgraded pciutils (3.1.7-3 -> 3.1.7-4)
[2011-07-19 15:47] upgraded udev (166-2 -> 171-2)
[2011-07-19 15:47] warning: /etc/inittab installed as /etc/inittab.pacnew
[2011-07-19 15:47] warning: /etc/rc.conf installed as /etc/rc.conf.pacnew
[2011-07-19 15:47] Blacklisting of modules is no longer supported in rc.conf,
[2011-07-19 15:47] please add blacklist entries to /etc/modprobe.d/ instead.
[2011-07-19 15:47] upgraded initscripts (2011.02.1-1 -> 2011.06.4-1)
[2011-07-19 15:47] upgraded linux-firmware (20110227-1 -> 20110512-2)
[2011-07-19 15:47] upgraded mkinitcpio-busybox (1.18.2-1 -> 1.18.4-1)
[2011-07-19 15:47] upgraded mkinitcpio (0.6.8-2 -> 0.7.2-1)
[2011-07-19 15:48] upgraded kernel26 (2.6.37.4-1 -> 2.6.39.3-1)
[2011-07-19 15:48] upgraded kernel26-headers (2.6.37.4-1 -> 2.6.39.3-1)

I see nothing unusual in rc.conf.

Please downgrade these packages [1] and test. You can do this one by
one, starting with the kernel + mkinitcpio + linux-firmware, then
test, then if no difference, go on to downgrading the rest in that
list. Of particular interest is initscripts. Watch out what happens
when you downgrade initscripts (and if possible, restore previous
rc.conf, inittab).

A lot of changes have come in during the last few months, so the cause
here is not going to be obvious. We only know that it is either udev
(nothing to determine it is fully responsible), init or kernel
related. Whether something else is involved, needs further
troubleshooting after the downgrade test.

* Also, provide us with a package list comparison between the 2
affected machines, and a third, unaffected one. You may just provide
the full package lists produced with pacman -Q.

* Provide us a list of modules with the older packages and one with
newer packages (produced by lsmod) immediately after boot-up. You will
need to reboot twice or more for this.

[1] https://wiki.archlinux.org/index.php/Downgrading_Packages


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