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Message #166039
[Bug 1555158] Re: Screen glitch in kernel 4.4.0-11
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.5 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc7-wily/
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-da-key
** Also affects: linux (Ubuntu Xenial)
Importance: Medium
Status: Confirmed
** Changed in: linux (Ubuntu Xenial)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1555158
Title:
Screen glitch in kernel 4.4.0-11
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
Incomplete
Bug description:
On my Dell XPS 15 9550(core i3 integrated graphics), the screen started glitching on kernel 4.4.0-11. This glitching goes away if I reboot to kernel 4.4.0-4.
---
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pranith 1360 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0c45:6713 Microdia
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 15 9550
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-11-generic.efi.signed root=UUID=a16c8d99-e1e9-47d7-8873-d3e2800eee71 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
RelatedPackageVersions:
linux-restricted-modules-4.4.0-11-generic N/A
linux-backports-modules-4.4.0-11-generic N/A
linux-firmware 1.156
RfKill:
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: xenial
Uname: Linux 4.4.0-11-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/18/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 01.01.15
dmi.board.name: 0WNFM0
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr01.01.15:bd12/18/2015:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0WNFM0:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 15 9550
dmi.sys.vendor: Dell Inc.
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References