mxb: general protection fault at v4l2_device_register_subdev+0x95

Bug #745213 reported by John Birck on 2011-03-29
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Herton R. Krzesinski
Herton R. Krzesinski
Herton R. Krzesinski
linux-ti-omap4 (Ubuntu)

Bug Description

New release 11.04 Ubuntu. Problems with Radeon 4250 integrated graphics on Asus M4A88TD-V

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
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
 **** List of CAPTURE Hardware Devices ****
 card 0: SB [HDA ATI SB], device 0: ALC892 Analog [ALC892 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
 /dev/snd/controlC0: birckj 1820 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
 Card hw:0 'SB'/'HDA ATI SB at 0xfe6f8000 irq 16'
   Mixer name : 'Realtek ALC892'
   Components : 'HDA:10ec0892,1043841b,00100302'
   Controls : 32
   Simple ctrls : 18
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe8e8000 irq 19'
   Mixer name : 'ATI RS690/780 HDMI'
   Components : 'HDA:1002791a,00791a00,00100000'
   Controls : 4
   Simple ctrls : 1
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Tue Mar 29 21:30:44 2011
Failure: oops
Frequency: Once a day.
HibernationDevice: RESUME=UUID=d052b1c4-d2ac-406a-a73c-385c09a51ee2
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
 lo no wireless extensions.

 eth0 no wireless extensions.

 eth1 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-7-generic root=UUID=1675fea1-8d95-46f7-9c2f-abfbbf983c74 ro quiet splash vt.handoff=7
 linux-restricted-modules-2.6.38-7-generic N/A
 linux-backports-modules-2.6.38-7-generic N/A
 linux-firmware 1.49

SourcePackage: linux
Title: 043b
UpgradeStatus: Upgraded to natty on 2011-03-28 (0 days ago) 09/08/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1601
dmi.board.asset.tag: To Be Filled By O.E.M. M4A88TD-V EVO/USB3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1601:bd09/08/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88TD-VEVO/USB3:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

John Birck (john-birck) wrote :
summary: - 043b
+ mxb: general protection fault at v4l2_device_register_subdev+0x95
Herton R. Krzesinski (herton) wrote :

Analysis of the crash posted at

Changed in linux (Ubuntu):
assignee: nobody → Herton R. Krzesinski (herton)
Herton R. Krzesinski (herton) wrote :

@John -- I made a fix and built a set of kernels with it, they are uploaded at:

Can you install the new kernel and test? The issue should be gone with it

Changed in linux (Ubuntu):
status: New → Incomplete
Tim Gardner (timg-tpi) on 2011-04-06
Changed in linux (Ubuntu Natty):
status: Incomplete → Fix Committed
Changed in linux (Ubuntu Oneiric):
assignee: nobody → Herton R. Krzesinski (herton)
status: New → Fix Committed
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux - 2.6.38-8.42

linux (2.6.38-8.42) natty; urgency=low

  [ David Henningsson ]

  * SAUCE: (drop after 2.6.38) ALSA: HDA: Fix dock mic for Lenovo
    - LP: #751033

  [ Gustavo F. Padovan ]

  * SAUCE: Revert "Bluetooth: Add new PID for Atheros 3011"
    - LP: #720949

  [ Herton Ronaldo Krzesinski ]

  * SAUCE: (drop after 2.6.39) v4l: make sure drivers supply a zeroed
    struct v4l2_subdev
    - LP: #745213

  [ John Johansen ]

  * AppArmor: Fix masking of capabilities in complain mode
    - LP: #748656

  [ Leann Ogasawara ]

  * [Config] Disable CONFIG_RTS_PSTOR for armel, powerpc

  [ Manoj Iyer ]

  * SAUCE: (drop after 2.6.38) add support for Lenovo tablet ID (0xE6)
    - LP: #746652

  [ Steve Langasek ]

  * [Config] Make linux-libc-dev coinstallable under multiarch
    - LP: #750585

  [ Tim Gardner ]

  * [Config] CONFIG_RTS_PSTOR=m
    - LP: #698006

  [ Upstream Kernel Changes ]

  * Revert "tcp: disallow bind() to reuse addr/port"
    - LP: #731878
  * ALSA: HDA: Add dock mic quirk for Lenovo Thinkpad X220
    - LP: #746259
  * ALSA: HDA: New AD1984A model for Dell Precision R5500
    - LP: #741516
  * Input: sparse-keymap - report scancodes with key events
  * Input: sparse-keymap - report KEY_UNKNOWN for unknown scan codes
  * KVM: SVM: Load %gs earlier if CONFIG_X86_32_LAZY_GS=n
    - LP: #729085
  * watchdog: sp5100_tco.c: Check if firmware has set correct value in
    - LP: #740011
  * staging: add rts_pstor for Realtek PCIE cardreader
    - LP: #698006
  * staging: fix rts_pstor build errors
    - LP: #698006
  * Staging: rts_pstor: fixed some brace code styling issues
    - LP: #698006
  * staging: rts_pstor: potential NULL dereference
    - LP: #698006
  * Staging: rts_pstor: fix read past end of buffer
    - LP: #698006
  * staging: rts_pstor: delete a function
    - LP: #698006
  * staging: rts_pstor: fix sparse warning
    - LP: #698006
  * staging: rts_pstor: fix a bug that a greenhouse sd card can't be
    - LP: #698006
  * staging: rts_pstor: optimize kmalloc to kzalloc
    - LP: #698006
  * staging: rts_pstor: MSXC card power class
    - LP: #698006
  * staging: rts_pstor: modify initial card clock
    - LP: #698006
  * staging: rts_pstor: set lun_mode in a different place
    - LP: #698006
  * x86, hibernate: Initialize mmu_cr4_features during boot
    - LP: #752870
 -- Leann Ogasawara <email address hidden> Fri, 08 Apr 2011 09:24:59 -0700

Changed in linux (Ubuntu Natty):
status: Fix Committed → Fix Released
Tim Gardner (timg-tpi) on 2011-04-25
Changed in linux-ti-omap4 (Ubuntu Natty):
status: New → Fix Committed
Changed in linux-ti-omap4 (Ubuntu Oneiric):
status: New → Fix Released
Changed in linux (Ubuntu Oneiric):
importance: Undecided → Medium
Changed in linux (Ubuntu Natty):
importance: Undecided → Medium
Julian Wiedmann (jwiedmann) wrote :
Changed in linux (Ubuntu Oneiric):
status: Fix Committed → Fix Released
Changed in linux-ti-omap4 (Ubuntu Natty):
status: Fix Committed → Fix Released
Paolo Pisati (p-pisati) on 2012-01-30
Changed in linux-ti-omap4 (Ubuntu):
status: Fix Committed → Fix Released
To post a comment you must log in.
This report contains Public information  Edit
Everyone can see this information.

Other bug subscribers