A NOTE has been added to this issue. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1047> ====================================================================== Reported By: alien999999999 Assigned To: mjander ====================================================================== Project: ALSA - driver Issue ID: 1047 Category: PCI - au88x0 Reproducibility: sometimes Severity: block Priority: normal Status: assigned Distribution: Mandrake Kernel Version: 2.6.7 ====================================================================== Date Submitted: 04-12-2005 20:43 CEST Last Modified: 06-27-2006 08:22 CEST ====================================================================== Summary: module hangs at seemingly random times Description: sometimes i start playing a song, and it starts playing a few second or so and hangs, then i kill the application and modprobe -r all sound modules and modprobe them again to make it work again. BUT: sometimes not only that happens, but also when i try to kill the apps it will not kill. when that happens, all kill, killall, top, ps aux commands hang at the command line and cannot be killed by CTRL-C or otherwise, i have been able to see that when i stopped my display managener I did an lsmod and it gave something like this: snd-pcm-oss 59752 11 snd-mixer-oss 20480 1 snd-pcm-oss snd-au8810 43760 220 snd-ac97-codec 83408 1 snd-au8810 snd-pcm 108172 112 snd-pcm-oss,snd-au8810,snd-ac97-codec snd-page-alloc 10384 1 snd-pcm gameport 3840 1 snd-au8810 snd-mpu401-uart 11904 1 snd-au8810 as you can see the snd-au8810 module seem to have an impossible number of "dependencies" (i think has to do with the number of unclosed sound-apps trying to be played; this could be since gaim is programmed to execute an 'aplay %s') i've had this major crash below only 3 times; and the logs didn't detect anything specific at the time. the only thing the logs mentioned at that time was an ntpd sync going on; so the only thing i can think of is that at a certain moment when a sync is going on, some kind of lock is holding cause this to happen... the only thing that i can do to fix this is reset... it is interesting to note that i also have an snd-emu10k1 as second card, which never gave problems like this, and i am always able to "modprobe -r snd-emu10k1" ... ====================================================================== ---------------------------------------------------------------------- Raymond - 06-26-06 15:04 ---------------------------------------------------------------------- As the hardware resources (e.g. SRC) are limited, under certain condition (e.g. https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2228) it is fatal to let an OSS application (e.g. flash plugin) through OSS emuneration to probe (mono/stereo) (playback/capture) hw_param. During the low resource condition, ALSA applications can be rejected by return error in snd_vortex_pcm_hw_params(). Is this possible for the driver during low resource condition to reject an OSS application by return error in snd_vortex_pcm_open() ? It seem that OSS enumeration don't expect error can be returned by snd_vortex_pcm_hw_params(). ---------------------------------------------------------------------- Raymond - 06-27-06 08:22 ---------------------------------------------------------------------- snd-pcm-oss 59752 11 Most likely the OSS applications are competing for 16 SRC, the OSS enumeration loop forever when SRC is not enough As your au8810 has a stereo codec 1) reducing the number of playback/capture subdevice of device 0 to 4 should prevent this happen. 2) you should find out whether aplay -Dhw:0,2 mono.wav will/will not hang the system since au8810 seem do not have those 3D Sound hardware registers Issue History Date Modified Username Field Change ====================================================================== 04-12-05 20:43 alien999999999 New Issue 04-12-05 20:43 alien999999999 Distribution => Mandrake 04-12-05 20:43 alien999999999 Kernel Version => 2.6.7 04-12-05 20:48 alien999999999 Note Added: 0004461 04-12-05 20:49 alien999999999 File Added: au88x0.c 04-12-05 20:49 alien999999999 File Added: au88x0.h 04-12-05 20:50 alien999999999 File Added: au88x0_core.c 04-12-05 20:50 alien999999999 File Added: au88x0_mixer.c 04-12-05 20:51 alien999999999 Note Added: 0004462 08-24-05 11:13 Raymond Note Added: 0005928 10-27-05 02:27 Raymond Note Added: 0006564 01-03-06 04:04 Raymond Note Added: 0007397 01-04-06 22:08 alien999999999 Note Added: 0007455 01-05-06 07:21 Raymond Note Added: 0007462 01-05-06 20:32 shurick Issue Monitored: shurick 01-06-06 17:17 alien999999999 Note Added: 0007488 01-06-06 17:33 alien999999999 File Added: alsa-cvs-2006-01-04.patch 01-13-06 13:51 Raymond Note Added: 0007639 01-13-06 18:18 tiwai Note Added: 0007648 01-14-06 04:53 Raymond Note Added: 0007653 01-14-06 05:00 Raymond Note Edited: 0007653 01-17-06 12:27 Raymond Note Added: 0007697 01-18-06 15:51 Raymond Note Added: 0007710 01-18-06 15:52 Raymond File Added: au88x0_codec.patch 01-19-06 13:51 Raymond Note Added: 0007719 02-05-06 05:20 Raymond Note Edited: 0007710 02-05-06 05:28 Raymond Note Added: 0007930 02-13-06 16:38 Raymond Note Deleted: 0006564 02-13-06 16:41 Raymond Note Added: 0008054 03-01-06 07:39 Raymond Note Added: 0008273 03-18-06 12:28 Raymond Note Deleted: 0008273 03-20-06 17:54 Raymond File Added: au88x0_conf.patch 03-21-06 02:02 Raymond Note Added: 0008734 03-21-06 18:01 tiwai Note Added: 0008754 03-22-06 02:05 Raymond File Added: au88x0_mpu401.patch 03-22-06 02:28 Raymond Note Added: 0008779 03-22-06 02:31 Raymond Note Edited: 0008779 03-22-06 02:38 rlrevell Note Added: 0008782 03-22-06 04:00 Raymond Note Added: 0008836 03-22-06 04:09 rlrevell Note Added: 0008839 03-26-06 09:55 Raymond Note Added: 0008967 03-29-06 17:48 Raymond Note Added: 0008995 03-31-06 06:52 Raymond Note Edited: 0008995 04-02-06 07:01 Raymond Note Edited: 0008995 04-10-06 16:07 Raymond Note Added: 0009190 04-10-06 16:39 tiwai Note Added: 0009192 04-10-06 16:43 Raymond Note Added: 0009194 04-10-06 16:45 tiwai Note Added: 0009195 04-10-06 19:01 Raymond Note Added: 0009215 04-10-06 19:04 Raymond Note Edited: 0009215 04-10-06 19:05 tiwai Note Added: 0009216 04-11-06 18:36 Raymond Note Added: 0009234 04-11-06 18:54 tiwai Note Added: 0009235 06-25-06 07:04 Raymond Note Added: 0010502 06-26-06 02:46 Raymond Note Added: 0010522 06-26-06 03:05 Raymond Note Edited: 0010522 06-26-06 14:55 Raymond Note Added: 0010536 06-26-06 15:04 Raymond Note Edited: 0010536 06-27-06 08:22 Raymond Note Added: 0010567 ====================================================================== Using Tomcat but need to do more? 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