Robert Jordens wrote, On 2006-10-03 04:13:
reassign 390594 linux-2.6
retitle 390594 Oops in snd_emu10k1, jackd and snd_rtctimer related
thanks
[Mon, 02 Oct 2006] Arthur Marsh wrote:
I'm running kernel 2.6.18 with realtime-lsm and preemption enabled. When
Is that the realtime-preempt (or voluntary-preempt) patch or the
realtime-lsm module with regular preempt or both?
realtime-lsm module plus:
CONFIG_PREEMPT=y
CONFIG_PREEMPT_BKL=y
I was attempting to set the Jack transport in Rosegarden to "sync" I
received the following kernel oops:
Oct 1 17:30:32 localhost kernel: BUG: unable to handle kernel paging
request at virtual address 00010007
...
snd_emu10k1_pcm_init_voice+0x1d/0x495 [snd_emu10k1] SS:ESP 0068:c51cbd68
I'm running ALSA 1.0.12 compiled from the alsa-source package.
Kernel: Linux 2.6.18
Hmmmm. Are the in-kernel alsa modules loaded or the ones you compiled
yourself?
compiled myself from:
alsa-source 1.0.12-1
[Mon, 02 Oct 2006] Arthur Marsh wrote:
I was unable to reproduce the problem unless I loaded snd-rtctimer from
ALSA. I rebuilt ALSA with debugging support enabled and had the
following oops:
Oct 2 14:34:28 localhost kernel: ALSA
/usr/src/modules/alsa-driver/acore/seq/seq_clientmgr.c:144: Seq: oops.
Trying to get pointer to client 255
Oct 2 14:41:17 localhost kernel: snd_rtctimer: module license
'unspecified' taints kernel.
That's interesting.
Oct 2 14:42:45 localhost kernel: BUG: unable to handle kernel paging
request at virtual address 00010007
....
Oct 2 14:42:48 localhost kernel: EIP: [<d0a3676c>]
snd_emu10k1_pcm_init_voice+0x1d/0x495 [snd_emu10k1] SS:ESP 0068:cd51fd68
Oct 2 14:43:09 localhost kernel: <7>ALSA
...
/usr/src/modules/alsa-driver/acore/seq/seq_clientmgr.c:144: Seq: oops.
Trying to get pointer to client 255
Robert.
It's probably more a matter of simply not using snd-rtctimer.
Regards,
Arthur.
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