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

[Tom Gundersen]

On Tue, Jul 19, 2011 at 6:55 PM, Fons Adriaensen <fons at linuxaudio.org> wrote:
> On Tue, Jul 19, 2011 at 05:15:46PM +0200, Tom Gundersen wrote:
>> On Tue, Jul 19, 2011 at 4:37 PM, Fons Adriaensen <fons at linuxaudio.org> wrote:
>> > After a routine upgrade it seems I don't have any sound devices any more.
>> >
>> > More in detail:
>> >
>> > * The driver for my card (RME HDSP MADI, snd_hdpsm) is loaded.
>> > * aplay -L tells me there is only the 'null' device.
>> > * (re)starting /etc/rc.d/alsa doesn't change things.
>> > * There is *no* /dev/pcm at all.
>> > * /sys/class/sound only has a link to a timer device.
>> > * No traces in dmesg or /var/log/messages of anything going wrong.
>> >
>> > I suspect udev fails to do the right things.
>> >
>> > * /etc/udev/rules.d is empty
>> > * /etc/udev/udev.conf contains only the line
>> >  udev_log="err"
>> >
>> > This is a professional studio and I'm expecting clients tomorrow at 09:00.
>>
>> You could try udev from testing (I agree that probably udev is the
>> culprit, though it has not been updated in core for some time).
>
> But the whole boot system seems to have changed - this machine
> boots incredibly fast now (not that it matters, it's rebooted
> at most once in a week).
>
> Some new info: I get complaints from udev in /var/log/errors.log
> about files not being found in /lib/udev/rules.d. This would explain
> things I guess. But when I look in /lib/udev/rules.d those files *do*
> exist. So maybe things go a bit *too* fast (or out of order). If that
> is the case, what can be done about it ?

Could you attach your fstab and the relevant parts of your logs ("grep
udev /var/log/errors.log")?

-t