mythbuntu-bugs team mailing list archive

[Mario Limonciello <superm1@xxxxxxxxxx>]

Hi Douglas:

What exactly were you doing when this oops occurred?  Was it during
boot, during unplug, shutdown etc?  Is it reproducible using the latest
kernel in the archive (after you do all your updates)?

** Package changed: lirc (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

-- 
kernel oops due to lirc using mythbuntu 10.10 beta
https://bugs.launchpad.net/bugs/642517
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Status in “linux” package in Ubuntu: Incomplete

Bug description:
Binary package hint: lirc

Latest mythbuntu 10.10 beta, updated as at 19/9/2010.

kernel is 2.6.35-22-generic:

$ lsb_release -rd

gives:
Description:	Ubuntu maverick (development branch)
Release:	10.10


Note: using a MS remote with USB receiver for LIRC, additional info:

[ 7328.542540] hub 4-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
[ 7328.542547] usb 4-1: USB disconnect, address 2
[ 7328.548997] BUG: unable to handle kernel NULL pointer dereference at 0000000000000060
[ 7328.549004] IP: [<ffffffffa00a50d6>] store_protocols+0xa6/0x3b0 [ir_core]
[ 7328.549015] PGD 3d833067 PUD 3d8a3067 PMD 0
[ 7328.549021] Oops: 0000 [#1] SMP
[ 7328.549024] last sysfs file: /sys/devices/virtual/rc/rc0/protocols
[ 7328.549028] CPU 0
[ 7328.549030] Modules linked in: snd_hda_codec_nvhdmi nvidia(P) ir_lirc_codec ir_sony_decoder ir_jvc_decoder lirc_dev nls_cp437 cifs snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi ir_rc6_decoder snd_seq_midi_event snd_seq rc_rc6_mce ir_rc5_decoder snd_timer snd_seq_device ppdev ir_nec_decoder parport_pc mceusb ir_core snd led_class lp psmouse serio_raw intel_agp soundcore snd_page_alloc parport floppy r8169 mii
[ 7328.549067]
[ 7328.549071] Pid: 2018, comm: lirc Tainted: P            2.6.35-22-generic #32-Ubuntu 945P-S3  /
[ 7328.549075] RIP: 0010:[<ffffffffa00a50d6>]  [<ffffffffa00a50d6>] store_protocols+0xa6/0x3b0 [ir_core]
[ 7328.549082] RSP: 0018:ffff8800272d5e48  EFLAGS: 00010202
[ 7328.549086] RAX: 0000000000000000 RBX: ffff8800288a4001 RCX: 0000000000000001
[ 7328.549089] RDX: ffff880029fc05a0 RSI: ffffffffa00a61f4 RDI: ffff8800288a4004
[ 7328.549092] RBP: ffff8800272d5e88 R08: 0000000000000035 R09: 0000000000000035
[ 7328.549095] R10: 0000000000000001 R11: 0000000000000000 R12: ffff880029f77400
[ 7328.549098] R13: 0000000000000001 R14: 0000000000000005 R15: 0000000000000000
[ 7328.549102] FS:  00007f068abee700(0000) GS:ffff880001e00000(0000) knlGS:0000000000000000
[ 7328.549106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7328.549109] CR2: 0000000000000060 CR3: 000000003c943000 CR4: 00000000000006f0
[ 7328.549112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7328.549115] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 7328.549119] Process lirc (pid: 2018, threadinfo ffff8800272d4000, task ffff88003ba70000)
[ 7328.549121] Stack:
[ 7328.549123]  ffff8800272d5e78 0000000000000001 ffff880029caeda0 ffff880029caeda0
[ 7328.549128] <0> ffff8800272d5f48 ffff880028ed1460 ffffffff8164ac00 ffff880029f77410
[ 7328.549134] <0> ffff8800272d5e98 ffffffff81383ab0 ffff8800272d5ee8 ffffffff811bd8d2
[ 7328.549141] Call Trace:
[ 7328.549149]  [<ffffffff81383ab0>] dev_attr_store+0x20/0x30
[ 7328.549155]  [<ffffffff811bd8d2>] sysfs_write_file+0xf2/0x180
[ 7328.549161]  [<ffffffff81152948>] vfs_write+0xb8/0x1a0
[ 7328.549167]  [<ffffffff8158ce6e>] ? do_page_fault+0x15e/0x350
[ 7328.549171]  [<ffffffff811531c1>] sys_write+0x51/0x80
[ 7328.549177]  [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
[ 7328.549180] Code: e8 e0 8b 21 e1 80 38 00 0f 85 0f 02 00 00 49 8b 94 24 88 02 00 00 8b 0a 85 c9 0f 84 b5 00 00 00 49 8b 84 24 90 02 00 00 45 84 ed <48> 8b 40 60 0f 84 b1 00 00 00 48 8b 5d c8 48 09 c3 48 85 d2 74
[ 7328.549226] RIP  [<ffffffffa00a50d6>] store_protocols+0xa6/0x3b0 [ir_core]
[ 7328.549233]  RSP <ffff8800272d5e48>
[ 7328.549235] CR2: 0000000000000060
[ 7328.549238] ---[ end trace a6b9e7fb673236b3 ]---

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: lirc 0.8.7~pre3-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sun Sep 19 11:42:03 2010
InstallationMedia: Mythbuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100831.1)
ProcEnviron:
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
SourcePackage: lirc