[LAU] jackd vs. kernel 2.2.26.6-rt11 vs. ALSA 1.0.18

[Thomas Kuther]

Hi all,

I experience a problem when trying to stop jackd with this setup

* kernel 2.6.26.6-rt11
* alsa-lib/headers/tools/utils 1.0.18
* jackdmp current SVN and/or jack-audio-connection-kit-0.109.x
* ICE1712 M-Audio Audiophile

I already replaced the in-kernel alsa driver (1.0.16) and compiled
alsa-driver 1.0.18 - all running fine.

The problem occurs only when I want to stop jackd.
------
^Cjack main caught signal 2
port deleted: M-Audio-Audiophile-24/96:midi/playback_1
port deleted: M-Audio-Audiophile-24/96:midi/capture_1
------
.. and there it hangs

dmesg says:
------
rawmidi.c:196: rawmidi drain error (avail = 4095, buffer_size = 4096)
------

Now, I cannot kill that jackd process

-------
└» killall -9 jackd
└» ps -A|grep jackd
 7060 pts/0    00:00:00 jackd
-------

Still there... therefor I also cannot shutdown the system cleanly.
Only sysrq+reisub

I do not know if that is a bug in the kernel or in alsa-lib. I don't
think it's jackdmp, as I also tried "old" jackd, and two
versions of alsa-driver, so that shouldn't be the cause either.

Any ideas or similar issues?

Thanks,
Thomas  
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