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Bug#512339: marked as done (linux-image-2.6-amd64: Mplayer crash causes BUG: unable to handle kernel, NULL pointer dereference at 0000000000000000)

Your message dated Tue, 06 Apr 2010 04:23:02 +0100
with message-id <1270524182.24287.111.camel@localhost>
and subject line Re: linux-image-2.6-amd64: Mplayer crash causes BUG: unable to handle kernel, NULL pointer dereference at 0000000000000000
has caused the Debian Bug report #512339,
regarding linux-image-2.6-amd64: Mplayer crash causes BUG: unable to handle kernel, NULL pointer dereference at 0000000000000000
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
512339: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=512339
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6-amd64
Version: 2.6.26+17
Severity: important
An mplayer crash when playing specific files will trigger the kernel error message that will be described. From that moment on, a range of crashed/freezed processes can 
be killed no more. Example of such unkillable processes:
29866 ?        00:00:00 kaffeine
4005 ?        00:00:00 gmplayer
4309 ?        00:00:00 mplayer
2491 ?        00:02:57 amarokapp <defunct>
4327 ?        00:00:03 vlc <defunct>
I mark this as important as processes like Kaffeine and Amarok can no longer be started until a computer restart. 
A file that makes MPlayer crash like that:
http://ruina.tam.cornell.edu/research/topics/bicycle_mechanics/JBike6_web_folder/JBike6_self_stable_files/bicycle_stability.mov
Playing this file will make other players crash, but not affecting the kernel like that. 

The kernel message:
[45957.803729] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [45957.803729] IP: [<ffffffffa0207cfa>] :snd_hda_intel:get_alloc_hash+0x4f/0x71 
[45957.803729] PGD b794f067 PUD b50ec067 PMD 0
[45957.803729] Oops: 0002 [1] SMP
[45957.803729] CPU 1
[45957.803729] Modules linked in: tcp_diag inet_diag rfcomm l2cap bluetooth autofs4 ipv6 acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_ondemand cpufreq_conservative freq_table ext3 jbd mbcache fuse dm_snapshot dm_mirror dm_log dm_mod sbp2 loop arc4 ecb crypto_blkcipher iwl3945 uvcvideo firmware_class mac80211 compat_ioctl32 videodev pcspkr psmouse v4l1_compat serio_raw iTCO_wdt cfg80211 video output snd_hda_intel snd_pcm_oss snd_mixer_oss battery asus_laptop snd_pcm ac led_class joydev snd_timer snd_page_alloc snd_hwdep button snd intel_agp soundcore evdev reiserfs ide_cd_mod cdrom piix sd_mod ide_pci_generic ide_core usbhid hid ff_memless ricoh_mmc sdhci mmc_core ohci1394 ieee1394 ata_generic ahci libata scsi_mod dock sky2 ehci_hcd uhci_hcd thermal processor fan thermal_sys 
[45957.803729] Pid: 22606, comm: gmplayer Not tainted 2.6.26-1-amd64 #1
[45957.803729] RIP: 0010:[<ffffffffa0207cfa>] [<ffffffffa0207cfa>] :snd_hda_intel:get_alloc_hash+0x4f/0x71 
[45957.803729] RSP: 0018:ffff810094893cd8  EFLAGS: 00210246
[45957.803729] RAX: 0000000000000000 RBX: 000000000000ffff RCX: 0000000000000000 [45957.803729] RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000400010 [45957.803729] RBP: ffff8100be0458d0 R08: 0000000000000000 R09: 0000000000000000 [45957.803729] R10: 00000000ffffffff R11: ffffffff802f2139 R12: 0000000000000009 [45957.803729] R13: 0000000000000009 R14: 0000000000000001 R15: 0000000000030009 [45957.803729] FS: 00007ff2a0521720(0000) GS:ffff8100bf69b9c0(0000) knlGS:0000000000000000 
[45957.803729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[45957.803729] CR2: 0000000000000000 CR3: 000000006095c000 CR4: 00000000000006a0 [45957.803729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [45957.803729] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [45957.803729] Process gmplayer (pid: 22606, threadinfo ffff810094892000, task ffff8100b50bd020) [45957.803729] Stack: 0000000000000019 0000000000000000 0000000000000009 0000000000000000 [45957.803729] ffff8100be045800 ffffffffa020999b ffff8100b4849000 ffff8100b4849050 [45957.803729] 0000000000000000 0000000000000002 0000000000000000 ffffffffa0209b06 
[45957.803729] Call Trace:
[45957.803729] [<ffffffffa020999b>] ? :snd_hda_intel:snd_hda_codec_amp_read+0x34/0x62 [45957.803729] [<ffffffffa0209b06>] ? :snd_hda_intel:snd_hda_mixer_amp_switch_get+0x8d/0xa9 
[45957.803729]  [<ffffffffa019a1e4>] ? :snd:snd_ctl_elem_read+0x81/0x97
[45957.803729]  [<ffffffffa019ac43>] ? :snd:snd_ctl_ioctl+0x315/0x745
[45957.803729]  [<ffffffff802a6621>] ? vfs_ioctl+0x21/0x6b
[45957.803729]  [<ffffffff802a68b3>] ? do_vfs_ioctl+0x248/0x261
[45957.803729]  [<ffffffff802a691d>] ? sys_ioctl+0x51/0x70
[45957.803729]  [<ffffffff8020beca>] ? system_call_after_swapgs+0x8a/0x8f
[45957.803729]
[45957.803729]
[45957.803729] Code: 00 eb 10 0f b7 c3 48 8d 0c c2 44 39 21 74 33 66 8b 59 06 66 83 fb ff 75 ea 48 8d bd 80 00 00 00 e8 2c ff ff ff 49 63 d5 48 89 c1 <44> 89 20 66 c7 
40 04 00 00 66 8b 44 55 00 66 89 41 06 66 89 5c
[45957.803729] RIP [<ffffffffa0207cfa>] :snd_hda_intel:get_alloc_hash+0x4f/0x71 
[45957.803729]  RSP <ffff810094893cd8>
[45957.803729] CR2: 0000000000000000
[45957.803729] ---[ end trace 3e9cf1f932ef5a4d ]---



-- System Information:
Debian Release: 5.0
 APT prefers unstable
 APT policy: (650, 'unstable'), (600, 'testing'), (200, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6-amd64 depends on:
ii  linux-image-2.6.26-1-amd64    2.6.26-13  Linux 2.6.26 image on AMD64

linux-image-2.6-amd64 recommends no packages.

linux-image-2.6-amd64 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Closing due to lack of response.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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