From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - driver 0001833]: oops in snd_mpu401_uart
Date: Tue, 2 May 2006 17:55:47 +0200 [thread overview]
Message-ID: <63ee28ff8e6abc32c9190e9ce088e767@bugtrack.alsa-project.org> (raw)
A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1833>
======================================================================
Reported By: ponchick
Assigned To:
======================================================================
Project: ALSA - driver
Issue ID: 1833
Category: GENERIC - mpu401
Reproducibility: always
Severity: major
Priority: normal
Status: new
Distribution: gentoo
Kernel Version: gentoo-sources-2.6.15-r4
======================================================================
Date Submitted: 02-09-2006 08:33 CET
Last Modified: 05-02-2006 17:55 CEST
======================================================================
Summary: oops in snd_mpu401_uart
Description:
I don't know what exactly happend but when I run wine or winecfg it
segfaulted. dmesg shows following:
Unable to handle kernel paging request at 0000000010228800 RIP:
<ffffffff884ca00c>{:snd_mpu401_uart:mpu401_write_mmio+0}
PGD 6e57067 PUD 0
Oops: 0002 [1] PREEMPT SMP
CPU 1
Modules linked in: snd_rtctimer snd_seq_midi snd_pcm_oss snd_mixer_oss
snd_seq_oss snd_seq_midi_event snd_seq snd_au8830 snd_ac97_codec snd_pcm
snd_timer snd_page_alloc snd_ac97_bus snd_mpu401_uart snd_rawmidi
snd_seq_device snd soundcore nvidia sky2
Pid: 11110, comm: wine-preloader Tainted: P 2.6.15-gentoo-r4 #1
RIP: 0010:[<ffffffff884ca00c>]
<ffffffff884ca00c>{:snd_mpu401_uart:mpu401_write_mmio+0}
RSP: 0018:ffff81003564f8f0 EFLAGS: 00010046
RAX: 0000000000000013 RBX: ffff81003cb4e580 RCX: 0000000000000000
RDX: 0000000010228800 RSI: 0000000000000000 RDI: ffff81003cb4e580
RBP: ffff81003eb60740 R08: 0000000000000000 R09: ffff8100279794c0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff81003cb4fe00
R13: 0000000000000001 R14: ffff81003cb4e5f8 R15: 0000000000000246
FS: 000000005556c000(006b) GS:ffffffff8057b880(0063)
knlGS:00000000556cb920
CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
CR2: 0000000010228800 CR3: 00000000375ad000 CR4: 00000000000006e0
Process wine-preloader (pid: 11110, threadinfo ffff81003564e000, task
ffff810002178440)
Stack: ffffffff884ca19f ffff81003ffef500 0000000000000046
ff00000000000286
ffff81003cb4e580 ffff81003eb60740 ffff81003cb4fe00
ffff81003eb606c0
0000000000000000 ffff81003d7c3bd0
Call Trace:<ffffffff884ca19f>{:snd_mpu401_uart:snd_mpu401_uart_cmd+65}
<ffffffff884ca2f4>{:snd_mpu401_uart:snd_mpu401_uart_input_open+73}
<ffffffff884c36b3>{:snd_rawmidi:snd_rawmidi_kernel_open+644}
<ffffffff885471f0>{:snd_seq_midi:midisynth_subscribe+53}
<ffffffff80397b49>{_spin_lock+27}
<ffffffff8851fcc2>{:snd_seq:subscribe_port+214}
<ffffffff8851ff8f>{:snd_seq:snd_seq_port_connect+433}
<ffffffff8851a9c8>{:snd_seq:snd_seq_ioctl_subscribe_port+226}
<ffffffff8851c19a>{:snd_seq:snd_seq_kernel_client_ctl+92}
<ffffffff8852eb1b>{:snd_seq_oss:snd_seq_oss_midi_open+267}
<ffffffff8852eb83>{:snd_seq_oss:snd_seq_oss_midi_open_all+35}
<ffffffff8852b89a>{:snd_seq_oss:snd_seq_oss_open+1152}
<ffffffff8852d20c>{:snd_seq_oss:snd_seq_oss_event_input+0}
<ffffffff8852b90a>{:snd_seq_oss:free_devinfo+0}
<ffffffff8018075f>{__link_path_walk+3332}
<ffffffff80397b0c>{__lock_text_start+20}
<ffffffff8852b034>{:snd_seq_oss:odev_open+52}
<ffffffff884ac6e4>{:soundcore:soundcore_open+513}
<ffffffff8017ab11>{chrdev_open+454}
<ffffffff8017a94b>{chrdev_open+0}
<ffffffff80171031>{__dentry_open+310}
<ffffffff8017118d>{nameidata_to_filp+34}
<ffffffff801711d6>{filp_open+58}
<ffffffff801713d4>{get_unused_fd+234}
<ffffffff80171533>{do_sys_open+81}
<ffffffff8011e57f>{sysenter_do_call+27}
Code: 40 88 32 c3 0f b6 06 0f b6 c0 c3 48 83 ec 28 4c 89 64 24 10
RIP <ffffffff884ca00c>{:snd_mpu401_uart:mpu401_write_mmio+0} RSP
<ffff81003564f8f0>
CR2: 0000000010228800
<6>note: wine-preloader[11110] exited with preempt_count 1
I use standalone alsa-driver (kernel one is out of date and doesn't
support au8830 on 64-bit platforms) with gentoo-sources-2.6.14-r5,
gentoo-sources-2.6.15-r1 and gentoo-sources-2.6.15-r4.
======================================================================
----------------------------------------------------------------------
Raymond - 05-02-06 06:54
----------------------------------------------------------------------
Do we need iounmap(vortex->mmio) in snd_vortex_dev_free() ?
free_irq(vortex->irq, vortex);
+ iounmap(vortex->mmio);
pci_release_regions(vortex->pci_dev);
BTW, refer to au88x0-card-details-midi-name.patch
+ sprintf(card->shortname, "Aureal Vortex %s", CARD_NAME_SHORT);
It is quite strange when AU8830 is well known as "Vortex2"
+ /* Overwrite MIDI name */
+ snprintf(rmidi->name, sizeof(rmidi->name), "%s MIDI %d", CARD_NAME_SHORT
, vortex->card->number);
+
When the card->shortname is initialised before snd_vortex_midi(),
rmidi->name already initialised to "au8830 MIDI".
Do we really need to add card->number in rmidi->name ?
----------------------------------------------------------------------
tiwai - 05-02-06 17:55
----------------------------------------------------------------------
iounmap() is required if you do iomap manually.
The name string must be unique. That's the reason the patch adds the card
number. We can omit it if the card = 0.
Issue History
Date Modified Username Field Change
======================================================================
02-09-06 08:33 ponchick New Issue
02-09-06 08:33 ponchick Distribution => gentoo
02-09-06 08:33 ponchick Kernel Version =>
gentoo-sources-2.6.15-r4
02-09-06 09:12 Raymond Note Added: 0007971
02-09-06 09:32 Raymond Note Added: 0007973
02-09-06 11:57 ponchick Note Added: 0007975
02-09-06 12:32 Raymond Note Added: 0007976
02-09-06 12:35 Raymond Note Edited: 0007976
02-10-06 03:06 Raymond Note Added: 0007982
02-10-06 03:11 rlrevell Note Added: 0007983
02-10-06 03:49 Raymond Note Added: 0007984
02-10-06 05:08 ponchick Note Added: 0007986
02-10-06 05:36 Raymond Note Added: 0007988
02-10-06 06:03 Raymond Note Added: 0007990
02-10-06 10:09 ponchick Note Added: 0007997
02-10-06 11:30 Raymond Note Added: 0008001
02-12-06 03:32 Raymond Note Added: 0008024
02-12-06 14:14 Raymond Note Deleted: 0007990
02-13-06 07:08 Raymond Note Edited: 0008024
02-13-06 16:44 Raymond Note Edited: 0008001
02-14-06 10:41 Raymond Note Edited: 0008024
02-16-06 04:40 Raymond Note Added: 0008084
02-16-06 06:33 ponchick Note Added: 0008086
02-16-06 09:57 Raymond Note Added: 0008089
02-16-06 10:16 ponchick Note Added: 0008091
02-16-06 10:38 Raymond Note Added: 0008092
02-16-06 10:40 Raymond Note Edited: 0008092
02-16-06 13:08 Raymond Note Edited: 0008089
02-25-06 13:15 Raymond Note Added: 0008189
03-21-06 18:02 Raymond Note Edited: 0008089
04-06-06 19:13 Raymond Note Added: 0009126
04-06-06 19:23 rlrevell Note Added: 0009127
04-11-06 05:09 Raymond Note Added: 0009226
04-11-06 06:08 ponchick Note Added: 0009227
04-11-06 09:06 Raymond Note Added: 0009230
04-12-06 10:28 Raymond Note Added: 0009240
04-12-06 11:36 ponchick Note Added: 0009241
04-12-06 15:16 Raymond Note Added: 0009243
04-13-06 07:16 Raymond Note Added: 0009253
04-13-06 10:05 Raymond Note Added: 0009255
04-13-06 10:37 Raymond Note Edited: 0009253
04-14-06 03:30 Raymond Note Added: 0009279
04-17-06 22:57 gineera Note Added: 0009322
04-18-06 04:53 ponchick Note Added: 0009323
04-18-06 05:11 ponchick Note Added: 0009324
04-18-06 05:32 Raymond Note Added: 0009325
04-18-06 06:04 Raymond Note Edited: 0009325
04-19-06 05:42 Raymond Issue Monitored: alien999999999
04-19-06 05:42 Raymond Note Added: 0009349
04-20-06 04:27 Raymond Issue Monitored: penguinparty
04-20-06 04:27 Raymond Note Added: 0009364
04-20-06 05:05 Raymond Note Edited: 0009325
04-20-06 08:55 alien999999999 Note Added: 0009366
04-20-06 09:27 Raymond Note Added: 0009367
04-20-06 10:25 Raymond Note Edited: 0009367
04-21-06 08:11 alien999999999 Note Added: 0009408
04-21-06 16:41 rlrevell Note Added: 0009414
04-21-06 18:00 Raymond Note Added: 0009420
04-21-06 18:13 Raymond Note Added: 0009422
04-21-06 18:23 Raymond Note Added: 0009425
04-21-06 18:28 Raymond Note Added: 0009426
04-21-06 18:54 rlrevell Note Added: 0009427
04-22-06 02:56 Raymond Note Edited: 0009422
04-22-06 02:57 Raymond Note Edited: 0009425
04-22-06 06:58 Raymond Note Edited: 0009426
04-24-06 03:20 Raymond Note Added: 0009447
04-24-06 05:43 ponchick Note Added: 0009448
04-24-06 11:34 Raymond Note Added: 0009450
04-25-06 10:08 Raymond Note Added: 0009485
04-25-06 23:30 gineera Note Added: 0009496
04-26-06 04:26 Raymond Note Added: 0009500
04-26-06 04:33 Raymond Note Added: 0009501
04-26-06 04:35 Raymond Note Edited: 0009501
04-26-06 04:50 Raymond Note Added: 0009502
04-26-06 05:06 Raymond Note Added: 0009503
04-26-06 07:13 Raymond Note Edited: 0009501
04-26-06 16:38 Raymond Note Added: 0009515
04-26-06 17:20 Raymond Note Added: 0009518
04-26-06 17:34 Raymond Note Edited: 0009518
04-26-06 18:41 Raymond Issue Monitored: perex
04-26-06 18:41 Raymond Note Added: 0009521
04-27-06 13:36 Raymond Note Added: 0009529
05-01-06 10:58 Raymond Note Added: 0009554
05-01-06 18:12 Raymond Note Edited: 0009554
05-02-06 04:38 ponchick Note Added: 0009555
05-02-06 06:52 Raymond Issue Monitored: tiwai
05-02-06 06:52 Raymond Note Added: 0009556
05-02-06 06:54 Raymond Note Edited: 0009556
05-02-06 17:55 tiwai Note Added: 0009561
======================================================================
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