This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1414349
Title:
Kernel Oops - unable to handle kernel NULL pointer dereference at
00000004; EIP is at drm_mm_remove_node+0x51/0xf0 [drm]
Status in linux package in Ubuntu:
Confirmed
Bug description:
My laptop has a kernel problem with the Ubuntu 14.10 live disk.
The Kernel reports constantly about a NULL pointer reference.
Sometimes the X-server and the Unity desktop is started, but the UI freezes
constantly for a few seconds.
It often ends with a complete freeze of the computer.
Other times the computer freezes before the desktop was loaded.
This bug report was created with the information of the Ubuntu 14.10
32bit live disk, but I also encountered the same problem with the
Ubuntu 14.10 64bit live disk.
I think it could be the radeon driver for my ATI Mobility Radeon HD
5650.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-23-generic 3.16.0-23.31
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic i686
ApportVersion: 2.14.7-0ubuntu8
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 4055 F.... pulseaudio
CasperVersion: 1.345
Date: Sat Jan 24 19:28:36 2015
LiveMediaBuild: Ubuntu 14.10 "Utopic Unicorn" - Release i386 (20141022.1)
ProcEnviron:
TERM=linux
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent
file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet
splash -- BOOT_IMAGE=/casper/vmlinuz
RelatedPackageVersions:
linux-restricted-modules-3.16.0-23-generic N/A
linux-backports-modules-3.16.0-23-generic N/A
linux-firmware 1.138
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/16/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.25
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JM41_CP
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrV1.25:bd03/16/2011:svnAcer:pn:pvrV1.25:rvnAcer:rnJM41_CP:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.version: V1.25
dmi.sys.vendor: Acer
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