[LAD] Problem with recent hdspm, alsactl and systemd

Jörn Nettingsmeier nettings at stackingdwarves.net
Fri Jun 14 11:08:31 UTC 2013

On 06/14/2013 12:02 AM, Fons Adriaensen wrote:
> Hello all,
> I wonder if any other users have experienced this problem and
> how they handled it.
> This has occured three times when doing an fresh Archlinux install
> on a system using the RME MADI cards.
> There seems to be something in the combination of recent versions
> of the driver and alsactl that leads to alsactl freezing when the
> configured (external) clock source for the card is not available.
> The 'freeze' seems to be quite deep: it's impossible to kill the
> process (even while that process is still a child of e.g. the
> xterm from which it was launched, and not of PID 1). Any other
> process trying to access the sound card (e.g. jackd) hangs in
> the same way. This also means that when doing a poweroff or reboot
> systemd will hang on the 'alsactl store' service, and the only
> option is a power cycle.

i know i tend to over-estimate the power of strace, but you could try to 
run the offending process manually and watch it very closely:

root:~> strace /usr/sbin/alsactl store

maybe this gives you an idea where stuff goes wrong.

Jörn Nettingsmeier
Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487

Meister für Veranstaltungstechnik (Bühne/Studio)
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