*** This bug is a duplicate of bug 1450557 ***
https://bugs.launchpad.net/bugs/1450557
** This bug has been marked a duplicate of bug 1450557
15.04: Broadwell HD 5500: screen corruption after logout
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https://bugs.launchpad.net/bugs/1472070
Title:
Graphics freakout upon logout on Intel 5500 (Broadwell GT2)
Status in linux package in Ubuntu:
Incomplete
Bug description:
Got a new Lenovo x250 with HD Graphics 5500 (Broadwell GT2).
Installed 15.04 ISO downloaded about a week ago. On a default install
(which uses Unity, I imagine) had a situation on several occasions
when logging out of an account or shutting down the computer, the
graphics go berserk. The display rapidly cycles from right to left,
like an old TV that's out of alignment.
Version Signature: Ubuntu 3.19.0-21.21-generic 3.19.8
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ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: droot 2013 F.... pulseaudio
/dev/snd/controlC0: droot 2013 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 15.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=2d7b3c38-96fb-4dee-a900-2af302edc0a1
InstallationDate: Installed on 2015-07-05 (2 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20CMCTO1WW
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-21-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
RelatedPackageVersions:
linux-restricted-modules-3.19.0-21-generic N/A
linux-backports-modules-3.19.0-21-generic N/A
linux-firmware 1.143.1
Tags: vivid
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
Uname: Linux 3.19.0-21-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 04/06/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N10ET33W (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CMCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN10ET33W(1.12):bd04/06/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkPadX250:rvnLENOVO:rn20CMCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20CMCTO1WW
dmi.product.version: ThinkPad X250
dmi.sys.vendor: LENOVO
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