Public bug reported:
About every 2 - 4 days, the UI hangs and I need to power cycle the
system in order to return to usability. The mouse cursor can be moved,
but only on the current monitor.
This has only happened since upgrading to 14.10. Hardware is a Lenovo
W540.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-28-generic 3.16.0-28.38
ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: jeremiah 4202 F.... pulseaudio
/dev/snd/controlC2: jeremiah 4202 F.... pulseaudio
/dev/snd/controlC1: jeremiah 4202 F.... pulseaudio
/dev/snd/controlC0: jeremiah 4202 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Jan 9 07:36:39 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-08-07 (155 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: LENOVO 20BGCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-28-generic.efi.signed
root=UUID=7ce22631-1a2f-45e4-872c-3cf524945a3e ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-28-generic N/A
linux-backports-modules-3.16.0-28-generic N/A
linux-firmware 1.138.1
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-12-18 (21 days ago)
dmi.bios.date: 06/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GNET65WW (2.13 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BGCTO1WW
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: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGNET65WW(2.13):bd06/20/2014:svnLENOVO:pn20BGCTO1WW:pvrThinkPadW540:rvnLENOVO:rn20BGCTO1WW:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20BGCTO1WW
dmi.product.version: ThinkPad W540
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug utopic
** Attachment added: "version.log"
https://bugs.launchpad.net/bugs/1409046/+attachment/4294696/+files/version.log
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https://bugs.launchpad.net/bugs/1409046
Title:
intel_crtc_wait_for_pending_flips correlate to GUI hang
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