apport information
** Tags added: apport-collected
** Description changed:
Image on my HiDPI 4K eDP screen (HP zbook 15) is flickering since I
upgraded my kernel to 4.4.0-59.
With 4.4.0-53 kernel, everything is ok.
I have try :
- 4.4.0-59
- 4.4.0-62
- 4.8.0-36 (from linux-generic-hwe-16.04)
All of us make my eDP screen flickering when it was alone. Because the
amazing things is here : when my laptop is docked and get two other
screen (one fullHD and one 2K), everything get back to normal. Even on
my eDP 4K screen !
I don't know how to know where the problem come from. Kernel ? radeon.ko
? xorg-video-radeon ? Gnome Shell ? Is amdgpu.ko usable ? How to test it
? ... need help.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-generic-hwe-16.04 4.8.0.36.8
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Feb 10 16:09:52 2017
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: linux-meta-hwe
UpgradeStatus: Upgraded to xenial on 2016-04-21 (294 days ago)
+ ---
+ ApportVersion: 2.20.1-0ubuntu2.5
+ Architecture: amd64
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: jmaillar 3511 F.... pulseaudio
+ /dev/snd/controlC1: jmaillar 3511 F.... pulseaudio
+ CurrentDesktop: GNOME
+ DistroRelease: Ubuntu 16.04
+ HibernationDevice: RESUME=/dev/mapper/main-swap
+ MachineType: Hewlett-Packard HP ZBook 15 G2
+ Package: linux (not installed)
+ ProcEnviron:
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=fr_FR.UTF-8
+ SHELL=/bin/bash
+ ProcFB: 0 radeondrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-66-generic.efi.signed
root=UUID=79ab29f5-d9eb-4aff-bfb8-8639c60401cb ro quiet
+ ProcVersionSignature: Ubuntu 4.4.0-66.87-generic 4.4.44
+ RelatedPackageVersions:
+ linux-restricted-modules-4.4.0-66-generic N/A
+ linux-backports-modules-4.4.0-66-generic N/A
+ linux-firmware 1.157.8
+ Tags: xenial xenial
+ Uname: Linux 4.4.0-66-generic x86_64
+ UpgradeStatus: Upgraded to xenial on 2016-04-21 (321 days ago)
+ UserGroups: adm cdrom dip disk kismet kvm libvirtd lpadmin lxd plugdev
sambashare sudo vboxusers wireshark
+ _MarkForUpload: True
+ dmi.bios.date: 04/25/2016
+ dmi.bios.vendor: Hewlett-Packard
+ dmi.bios.version: M70 Ver. 01.15
+ dmi.board.name: 2253
+ dmi.board.vendor: Hewlett-Packard
+ dmi.board.version: KBC Version 03.12
+ dmi.chassis.asset.tag: CND54722DC
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Hewlett-Packard
+ dmi.modalias:
dmi:bvnHewlett-Packard:bvrM70Ver.01.15:bd04/25/2016:svnHewlett-Packard:pnHPZBook15G2:pvrA3009CD10002:rvnHewlett-Packard:rn2253:rvrKBCVersion03.12:cvnHewlett-Packard:ct10:cvr:
+ dmi.product.name: HP ZBook 15 G2
+ dmi.product.version: A3009CD10002
+ dmi.sys.vendor: Hewlett-Packard
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1663637/+attachment/4834362/+files/AlsaInfo.txt
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https://bugs.launchpad.net/bugs/1663637
Title:
Image flickering on eDP screen since 4.4.0-59 kernel upgrade
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