** Changed in: xorg (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: regression-release
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https://bugs.launchpad.net/bugs/1551982
Title:
uncleared pch fifo underrun on pch transcoder A
Status in xorg package in Ubuntu:
Confirmed
Bug description:
After upgrading from 14.04 to 16.04, the following appears in dmesg and for a
short while on black ascii screen during login sequence:
[ 2.214317] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 2.214339] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-9.24-generic 4.4.3
Uname: Linux 4.4.0-9-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 355.00.26 Sun Feb 14
16:11:36 PST 2016
GCC version: gcc version 5.3.1 20160225 (Ubuntu 5.3.1-10ubuntu2)
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Mar 1 16:55:32 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.8, 4.4.0-8-generic, x86_64: installed
bbswitch, 0.8, 4.4.0-9-generic, x86_64: installed
nvidia-355, 355.00.26, 4.4.0-8-generic, x86_64: installed
nvidia-355, 355.00.26, 4.4.0-9-generic, x86_64: installed
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166]
(rev 09) (prog-if 00 [VGA controller])
Subsystem: Micro-Star International Co., Ltd. [MSI] 3rd Gen Core processor
Graphics Controller [1462:10b8]
NVIDIA Corporation GK107M [GeForce GT 645M] [10de:0fd9] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Micro-Star International Co., Ltd. [MSI] GK107M [GeForce GT
645M] [1462:10b8]
InstallationDate: Installed on 2016-02-29 (1 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160228)
MachineType: Micro-Star International Co., Ltd. CX61 0NC/CX61 0ND/CX61
0NF/CX61 0NE
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-9-generic
root=UUID=7ffdb95a-c39d-4d4a-964a-eebefe28f75b ro quiet splash
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/10/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: E16GBIMS.406
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MS-16GB
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: CX61 0NC/CX61 0ND/CX61 0NF/CX61 0NE
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrE16GBIMS.406:bd10/10/2012:svnMicro-StarInternationalCo.,Ltd.:pnCX610NC/CX610ND/CX610NF/CX610NE:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16GB:rvrREV1.0:cvnCX610NC/CX610ND/CX610NF/CX610NE:ct10:cvrN/A:
dmi.product.name: CX61 0NC/CX61 0ND/CX61 0NF/CX61 0NE
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
version.compiz: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.17.3-2ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160218-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1
xserver.bootTime: Tue Mar 1 16:33:17 2016
xserver.configfile: /etc/X11/xorg.conf
xserver.errors: systemd-logind: failed to get session: PID 931 does not
belong to any known session
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.3-2ubuntu4
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