Public bug reported:
I recently upgraded from ubuntu 16.10 to 17.04.
Today I got several crash which seems to imply the i915 driver.
I had the crash while using gnome-shell, and also while using unity.
As I work, the system completely crash.
The problem is always in:
/build/linux-
2NWldV/linux-4.10.0/drivers/gpu/drm/i915/intel_display.c:4813
skylake_pfit_enable+0x140/0x160 [i915]
each time I get the message:
[drm:skylake_pfit_enable [i915]] *ERROR* Requesting pfit without getting
a scaler first
I attach the relevant kern.log parts.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-20-generic 4.10.0-20.22
ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
Uname: Linux 4.10.0-20-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: alex 5651 F.... pulseaudio
/dev/snd/controlC0: alex 5651 F.... pulseaudio
CurrentDesktop: GNOME
Date: Wed May 3 11:36:16 2017
HibernationDevice: RESUME=UUID=870c2fd1-8a8f-49bb-9bf4-dbefaa08e583
InstallationDate: Installed on 2015-11-10 (539 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Intel Corporation Skylake Platform
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic
root=UUID=6814e3c1-8cea-4ecc-964d-535fd18782e9 ro quiet splash
crashkernel=384M-:128M vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.10.0-20-generic N/A
linux-backports-modules-4.10.0-20-generic N/A
linux-firmware 1.164
SourcePackage: linux
UpgradeStatus: Upgraded to zesty on 2017-02-25 (66 days ago)
dmi.bios.date: 11/06/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.11
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: WhiteTip Mountain1 Fab2
dmi.board.vendor: Topstar
dmi.board.version: RVP7
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 9
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr5.11:bd11/06/2015:svnIntelCorporation:pnSkylakePlatform:pvr0.1:rvnTopstar:rnWhiteTipMountain1Fab2:rvrRVP7:cvnDefaultstring:ct9:cvrDefaultstring:
dmi.product.name: Skylake Platform
dmi.product.version: 0.1
dmi.sys.vendor: Intel Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug zesty
** Attachment added: "extract of kern.log relevant for the bug"
https://bugs.launchpad.net/bugs/1687901/+attachment/4871394/+files/kern-i915-bug.log
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https://bugs.launchpad.net/bugs/1687901
Title:
i915 driver makes linux crash
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