*** This bug is a duplicate of bug 1550779 ***
https://bugs.launchpad.net/bugs/1550779
The log messages you mention are covered by bug 1550779. So that might
be the main issue here. But just in case you're experiencing a crash as
well, please try these steps:
https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
** This bug has been marked a duplicate of bug 1550779
Black screen flickering and [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe A FIFO underrun
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1903551
Title:
Xorg freeze
Status in xorg package in Ubuntu:
New
Bug description:
Flicker is occurring in my screen randomly. I've tried to disable the nvidia
card and use the internal intel graphic card but issue is present in both
cases. Noticed everytime this occur, dmesg logs show:
[ 299.696671] ACPI Warning: _BQC returned an invalid level
(20170831/video-640)
[ 1123.616996] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
[ 1123.617098] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 1123.617159] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
Please help address this bug.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 4.15.0-121.123-generic 4.15.18
Uname: Linux 4.15.0-121-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 9 12:49:50 2020
DistUpgraded: 2019-08-24 21:40:09,878 DEBUG icon theme changed, re-reading
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.8, 4.15.0-117-generic, x86_64: installed
bbswitch, 0.8, 4.15.0-121-generic, x86_64: installed
nvidia, 390.138, 4.15.0-117-generic, x86_64: installed
nvidia, 390.138, 4.15.0-121-generic, x86_64: installed
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Dell 2nd Generation Core Processor Family Integrated Graphics
Controller [1028:050e]
NVIDIA Corporation GF108M [GeForce GT 540M] [10de:0df4] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Dell GF108M [GeForce GT 540M] [1028:050e]
InstallationDate: Installed on 2019-01-16 (663 days ago)
InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64
(20180731)
MachineType: Dell Inc. Dell System XPS L502X
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-121-generic
root=UUID=9abc6245-6761-49d4-9926-ab9f9d169abc ro quiet splash vt.handoff=1
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to bionic on 2019-08-25 (442 days ago)
dmi.bios.date: 10/20/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0MY6GN
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd10/20/2011:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0MY6GN:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.family: HuronRiver System
dmi.product.name: Dell System XPS L502X
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.101-2~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.8-0ubuntu1~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
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