[Bug 630714] [NEW] BUG: unable to handle kernel NULL pointer dereference at (null)

Sun Sep 5 09:09:26 UTC 2010

Public bug reported:

I did not notice any user visible problem due to this bug. Moreover, I
have several other "unable to handle kernel NULL pointer dereference" in
my logs. Here is another one:

[ 3890.840048] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 3890.840053] IP: [<ffffffff8158632a>] __mutex_lock_slowpath+0xca/0x180
[ 3890.840060] PGD 0 
[ 3890.840063] Oops: 0002 [#1] SMP 
[ 3890.840066] last sysfs file: /sys/bus/usb/drivers/hiddev/uevent
[ 3890.840068] CPU 0 
[ 3890.840070] Modules linked in: usbhid(+) hid binfmt_misc rfcomm parport_pc sco ppdev bnep l2cap vboxdrv microcode deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish cast5 des_generic cryptd aes_x86_64 aes_generic xcbc rmd160 sha512_generic sha256_generic sha1_generic crypto_null af_key nvidia(P) snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep thinkpad_acpi arc4 snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq pcmcia snd_timer snd_seq_device iwlagn snd soundcore yenta_socket pcmcia_rsrc pcmcia_core snd_page_alloc tpm_tis joydev iwlcore mac80211 sbp2 ieee1394 tpm led_class cfg80211 tpm_bios nvram btusb bluetooth lp parport psmouse serio_raw firewire_ohci firewire_core crc_itu_t video output ahci libahci e1000e intel_agp
[ 3890.840116] 
[ 3890.840119] Pid: 30, comm: kseriod Tainted: P            2.6.35-19-generic #28-Ubuntu 7663Y2F/7663Y2F
[ 3890.840122] RIP: 0010:[<ffffffff8158632a>]  [<ffffffff8158632a>] __mutex_lock_slowpath+0xca/0x180
[ 3890.840126] RSP: 0018:ffff88007b967d90  EFLAGS: 00010246
[ 3890.840128] RAX: 0000000000000000 RBX: ffff880078b360a0 RCX: 00000000ffffffff
[ 3890.840130] RDX: ffff88007b967da0 RSI: 00000000ffffffff RDI: ffff880078b360a4
[ 3890.840132] RBP: ffff88007b967df0 R08: 0000000000000000 R09: 0000000000000000
[ 3890.840134] R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88007b9544a0
[ 3890.840136] R13: ffff880078b360a4 R14: 00000000ffffffff R15: ffff880078b360a8
[ 3890.840139] FS:  0000000000000000(0000) GS:ffff880001e00000(0000) knlGS:0000000000000000
[ 3890.840141] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 3890.840143] CR2: 0000000000000000 CR3: 0000000001a2a000 CR4: 00000000000006f0
[ 3890.840145] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3890.840147] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 3890.840150] Process kseriod (pid: 30, threadinfo ffff88007b966000, task ffff88007b9544a0)
[ 3890.840151] Stack:
[ 3890.840153]  ffff88007b967fd8 ffff88007b9544a0 ffff880078b360a8 0000000000000000
[ 3890.840156] <0> ffff88007b967de0 ffffffff8138712a ffff88007b967de0 ffff880078b360a0
[ 3890.840160] <0> ffff880078b360a0 0000000000000286 ffff88007b967ea8 0000000000000000
[ 3890.840164] Call Trace:
[ 3890.840169]  [<ffffffff8138712a>] ? device_attach+0x5a/0xb0
[ 3890.840172]  [<ffffffff8158623b>] mutex_lock+0x2b/0x50
[ 3890.840176]  [<ffffffff814295bb>] serio_reconnect_port+0x2b/0xa0
[ 3890.840179]  [<ffffffff81429c7a>] serio_handle_event+0x21a/0x2d0
[ 3890.840183]  [<ffffffff8107e6a7>] ? finish_wait+0x67/0x90
[ 3890.840185]  [<ffffffff81429d65>] serio_thread+0x35/0xe0
[ 3890.840188]  [<ffffffff8107e510>] ? autoremove_wake_function+0x0/0x40
[ 3890.840191]  [<ffffffff81429d30>] ? serio_thread+0x0/0xe0
[ 3890.840194]  [<ffffffff8107dfb6>] kthread+0x96/0xa0
[ 3890.840197]  [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10
[ 3890.840200]  [<ffffffff8107df20>] ? kthread+0x0/0xa0
[ 3890.840203]  [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10
[ 3890.840205] Code: 90 4c 8d 6b 04 4c 8d 7b 08 41 be ff ff ff ff 4c 89 ef e8 1a 14 00 00 48 8b 43 10 48 8d 55 b0 48 89 53 10 4c 89 7d b0 48 89 45 b8 <48> 89 10 44 89 f0 4c 89 65 c0 87 03 83 f8 01 75 24 eb 2c eb 01 
[ 3890.840234] RIP  [<ffffffff8158632a>] __mutex_lock_slowpath+0xca/0x180
[ 3890.840237]  RSP <ffff88007b967d90>
[ 3890.840239] CR2: 0000000000000000
[ 3890.840242] ---[ end trace 39bd1fd9da90aaa9 ]---

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-19-generic 2.6.35-19.28
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  cyril      1866 F.... pulseaudio
CRDA:
 country 98:
 	(2402 - 2482 @ 40), (N/A, 16)
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfe220000 irq 49'
   Mixer name	: 'Analog Devices AD1984'
   Components	: 'HDA:11d41984,17aa20d7,00100400'
   Controls      : 32
   Simple ctrls  : 20
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7KHT24WW-1.08'
   Mixer name	: 'ThinkPad EC 7KHT24WW-1.08'
   Components	: ''
   Controls      : 1
   Simple ctrls  : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Sat Sep  4 08:45:07 2010
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=c1f5d962-4413-4ec6-8467-16ef4ca5ad2c
MachineType: LENOVO 7663Y2F
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-19-generic root=UUID=8077df6b-eb0e-40ff-9a4e-acbf5205d4a7 ro bootchart=svg quiet splash
RelatedPackageVersions: linux-firmware 1.38
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at (null)
WifiSyslog:
 Sep  5 09:49:58 cyril-laptop kernel: [94191.974756] npviewer.bin[32491]: segfault at f3ed7054 ip 00000000f61c2733 sp 00000000ffda71c0 error 4 in libflashplayer.so[f5e23000+b2c000]
 Sep  5 09:58:34 cyril-laptop kernel: [94708.752197] npviewer.bin[10627]: segfault at 418 ip 00000000f605cdd6 sp 00000000ffdaa918 error 6 in libflashplayer.so[f5e0e000+b2c000]
 Sep  5 10:37:58 cyril-laptop kernel: [97072.831916] iwlagn 0000:03:00.0: TX Power requested while scanning!
WpaSupplicantLog:

dmi.bios.date: 05/11/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC6WW (2.26 )
dmi.board.name: 7663Y2F
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETC6WW(2.26):bd05/11/2009:svnLENOVO:pn7663Y2F:pvrThinkPadT61:rvnLENOVO:rn7663Y2F:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7663Y2F
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-kerneloops kernel-oops maverick needs-upstream-testing regression-potential

-- 
BUG: unable to handle kernel NULL pointer dereference at (null)
https://bugs.launchpad.net/bugs/630714
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