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Message #177907
[Bug 1542939] Re: system freeze after vt switching
In comment #33, commit 4cd3991 is superfluous. I have verified that the
bug can be fixed on my hardware by applying a single cherry-pick to the
xenial (Ubuntu-4.4.0-22.39) kernel,
git am 0001-drm-atomic-Remove-drm_atomic_connectors_for_crtc.patch #
14de6c4 backported to xenial
Thanks to the following comment for suggesting that commit 4cd3991 is superfluous,
https://lists.ubuntu.com/archives/kernel-team/2016-May/077206.html
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https://bugs.launchpad.net/bugs/1542939
Title:
system freeze after vt switching
Status in Linux:
Fix Released
Status in linux package in Ubuntu:
Confirmed
Status in linux-lts-xenial package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
Fix Committed
Status in linux-lts-xenial source package in Xenial:
In Progress
Status in Fedora:
Unknown
Bug description:
I'm trying to use the ctrl+alt+1 to switch to a terminal - ok,
after switching back by ctrl+alt+7 the system freeze
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-3-generic 4.4.0-3.17
ProcVersionSignature: Ubuntu 4.4.0-3.17-generic 4.4.1
Uname: Linux 4.4.0-3-generic x86_64
ApportVersion: 2.19.4-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: stinger 1644 F.... pulseaudio
Date: Sun Feb 7 22:27:42 2016
HibernationDevice: RESUME=UUID=888e93f3-1a7d-4bf8-a00d-cea6a759d03a
InstallationDate: Installed on 2015-11-12 (87 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151112)
Lsusb:
Bus 002 Device 003: ID 24ae:2000
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK Computer Inc. P53E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-3-generic root=UUID=9ad09333-ac7d-4b10-99a0-1e598daa4753 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-3-generic N/A
linux-backports-modules-4.4.0-3-generic N/A
linux-firmware 1.155
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/15/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P53E.209
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: P53E
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP53E.209:bd03/15/2012:svnASUSTeKComputerInc.:pnP53E:pvr1.0:rvnASUSTeKComputerInc.:rnP53E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: P53E
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
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References