laptop sometimes locks up when unplugging displayPort monitor

Bug #1438451 reported by Joe Barnett on 2015-03-30
14
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Linux
New
Undecided
Unassigned
linux (Ubuntu)
High
Unassigned
Vivid
High
Unassigned

Bug Description

sometimes, but not always, when unplugging my displayPort external monitor, the screen freezes & stops responding to any mouse/keyboard presses. This didn't happen in utopic, but started after upgrading to vivid.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-10-generic 3.19.0-10.10
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
Uname: Linux 3.19.0-10-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.16.2-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC3: jbarnett 1938 F.... pulseaudio
 /dev/snd/controlC2: jbarnett 1938 F.... pulseaudio
 /dev/snd/controlC1: jbarnett 1938 F.... pulseaudio
 /dev/snd/controlC0: jbarnett 1938 F.... pulseaudio
CurrentDesktop: GNOME
Date: Mon Mar 30 15:57:37 2015
HibernationDevice: RESUME=UUID=948280a0-a059-468d-8484-f0d317f46e6d
InstallationDate: Installed on 2014-02-24 (399 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140218)
MachineType: Apple Inc. MacBookPro11,3
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-10-generic.efi.signed root=UUID=135fd833-3282-4f3b-8802-0a27ec2765b9 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-10-generic N/A
 linux-backports-modules-3.19.0-10-generic N/A
 linux-firmware 1.143
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-02-04 (54 days ago)
dmi.bios.date: 10/18/2013
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP112.88Z.0138.B02.1310181745
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-2BD1B31983FE1663
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,3
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-2BD1B31983FE1663
dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B02.1310181745:bd10/18/2013:svnAppleInc.:pnMacBookPro11,3:pvr1.0:rvnAppleInc.:rnMac-2BD1B31983FE1663:rvrMacBookPro11,3:cvnAppleInc.:ct10:cvrMac-2BD1B31983FE1663:
dmi.product.name: MacBookPro11,3
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

Joe Barnett (thejoe) wrote :

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
Changed in linux (Ubuntu):
importance: Undecided → High
Joseph Salisbury (jsalisbury) wrote :

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 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'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-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/v4.0-rc6-vivid/

Changed in linux (Ubuntu Vivid):
status: Confirmed → Incomplete
tags: added: latest-bios

This bug was nominated against a series that is no longer supported, ie vivid. The bug task representing the vivid nomination is being closed as Won't Fix.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu Vivid):
status: Incomplete → Won't Fix
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