@Christopher: sorry, there is no option to disable this card in BIOS of
my laptop.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Description changed:
With using Kernel 3.8 and newer sometimes I have a kernel OOPS at startup and
it seems it's because I switch off my ATI card.
I added this line in my /etc/rc.local file:
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
I don't have this bug each time but I guess it depends if this previous
command is launched before or after that X11's launch. I'm using this
card: Mobility Radeon HD 4650.
It seems that this bug has already reported to there:
https://bugzilla.kernel.org/show_bug.cgi?id=49531 and
https://bugs.freedesktop.org/show_bug.cgi?id=61529
But I guess it can be interesting to track this bug on Launchpad.
- WORKAROUND: Note that I no longer have this crash if I remove this line from
/etc/init/lightdm.conf :
- echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
+ WORKAROUND for kernel versions < 3.12: Note that I no longer have this crash
if I remove this line from /etc/init/lightdm.conf :
+ echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
+
+ With the Kernel 3.12, we always have this crash even if we disable this
+ card before launching X11.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-19-generic 3.8.0-19.29
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mbaerts 2074 F.... pulseaudio
/dev/snd/pcmC0D0p: mbaerts 2074 F...m pulseaudio
Date: Sat Apr 20 11:41:12 2013
HibernationDevice: RESUME=UUID=06229bec-927d-4cfa-9a82-f9949d5151ca
InstallationDate: Installed on 2011-08-10 (618 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
Lsusb:
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 064e:a130 Suyin Corp.
MachineType: Medion P662X
MarkForUpload: True
ProcFB:
0 inteldrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic
root=UUID=e7e166e5-3bef-4daf-88a1-5368a679c4a0 ro profile
RelatedPackageVersions:
linux-restricted-modules-3.8.0-19-generic N/A
linux-backports-modules-3.8.0-19-generic N/A
linux-firmware 1.106
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/13/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 202
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H36QM
dmi.board.vendor: To be filled by O.E.M.
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: PEGATRON CORPORATION
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr202:bd04/13/2010:svnMedion:pnP662X:pvr1.0:rvnTobefilledbyO.E.M.:rnH36QM:rvr1.0:cvnPEGATRONCORPORATION:ct10:cvr1.0:
dmi.product.name: P662X
dmi.product.version: 1.0
dmi.sys.vendor: Medion
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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1170917
Title:
IP: [<ffffffffa01b6c05>] r600_pcie_gart_tlb_flush+0xf5/0x110 [radeon];
RIP: 0010:[<ffffffffa01b6c05>] [<ffffffffa01b6c05>]
r600_pcie_gart_tlb_flush+0xf5/0x110 [radeon]
Status in The Linux Kernel:
Confirmed
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
With using Kernel 3.8 and newer sometimes I have a kernel OOPS at startup and
it seems it's because I switch off my ATI card.
I added this line in my /etc/rc.local file:
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
I don't have this bug each time but I guess it depends if this
previous command is launched before or after that X11's launch. I'm
using this card: Mobility Radeon HD 4650.
It seems that this bug has already reported to there:
https://bugzilla.kernel.org/show_bug.cgi?id=49531 and
https://bugs.freedesktop.org/show_bug.cgi?id=61529
But I guess it can be interesting to track this bug on Launchpad.
WORKAROUND for kernel versions < 3.12: Note that I no longer have this crash
if I remove this line from /etc/init/lightdm.conf :
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch
With the Kernel 3.12, we always have this crash even if we disable
this card before launching X11.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-19-generic 3.8.0-19.29
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mbaerts 2074 F.... pulseaudio
/dev/snd/pcmC0D0p: mbaerts 2074 F...m pulseaudio
Date: Sat Apr 20 11:41:12 2013
HibernationDevice: RESUME=UUID=06229bec-927d-4cfa-9a82-f9949d5151ca
InstallationDate: Installed on 2011-08-10 (618 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
Lsusb:
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 064e:a130 Suyin Corp.
MachineType: Medion P662X
MarkForUpload: True
ProcFB:
0 inteldrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic
root=UUID=e7e166e5-3bef-4daf-88a1-5368a679c4a0 ro profile
RelatedPackageVersions:
linux-restricted-modules-3.8.0-19-generic N/A
linux-backports-modules-3.8.0-19-generic N/A
linux-firmware 1.106
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/13/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 202
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H36QM
dmi.board.vendor: To be filled by O.E.M.
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: PEGATRON CORPORATION
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr202:bd04/13/2010:svnMedion:pnP662X:pvr1.0:rvnTobefilledbyO.E.M.:rnH36QM:rvr1.0:cvnPEGATRONCORPORATION:ct10:cvr1.0:
dmi.product.name: P662X
dmi.product.version: 1.0
dmi.sys.vendor: Medion
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