Public bug reported:
I noticed my Laptop () started to freeze and reboot randomly and
checking the apt logs the date where this started matches a kernel
update:
Start-Date: 2017-01-22 18:09:20
Commandline: apt full-upgrade
Requested-By: luca (1000)
Install: linux-image-4.4.0-62-lowlatency:amd64 (4.4.0-62.83, automatic)
Upgrade: linux-libc-dev:amd64 (4.4.0-59.80, 4.4.0-62.83),
linux-image-lowlatency:amd64 (4.4.0.59.62, 4.4.0.62.65), libapt-inst2.0:amd64
(1.2.18, 1.2.19), libsystemd0:amd64 (229-4ubuntu15, 229-4ubuntu16),
libsystemd0:i386 (229-4ubuntu15, 229-4ubuntu16), apt:amd64 (1.2.18, 1.2.19),
sudo:amd64 (1.8.16-0ubuntu1.2, 1.8.16-0ubuntu1.3), udev:amd64 (229-4ubuntu15,
229-4ubuntu16), libapt-pkg5.0:amd64 (1.2.18, 1.2.19), libudev1:amd64
(229-4ubuntu15, 229-4ubuntu16), libudev1:i386 (229-4ubuntu15, 229-4ubuntu16),
docker-engine:amd64 (1.12.6-0~ubuntu-xenial, 1.13.0-0~ubuntu-xenial),
firefox-locale-de:amd64 (50.1.0+build2-0ubuntu0.16.04.1,
51.0+build2-0ubuntu0.16.04.1), systemd-sysv:amd64 (229-4ubuntu15,
229-4ubuntu16), firefox-locale-en:amd64 (50.1.0+build2-0ubuntu0.16.04.1,
51.0+build2-0ubuntu0.16.04.1), libpam-systemd:amd64 (229-4ubuntu15,
229-4ubuntu16), systemd:amd64 (229-4ubuntu15, 229-4ubuntu16),
mysql-common:amd64 (5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1),
apt-utils:amd64 (1.2.18, 1.2.19), libmysqlclient20:i386
(5.7.16-0ubuntu0.16.04.1, 5.7.17-0ubuntu0.16.04.1), firefox:amd64
(50.1.0+build2-0ubuntu0.16.04.1, 51.0+build2-0ubuntu0.16.04.1),
apt-transport-https:amd64 (1.2.18, 1.2.19), linux-tools-common:amd64
(4.4.0-59.80, 4.4.0-62.83)
Purge: linux-image-4.4.0-57-lowlatency:amd64 (4.4.0-57.78)
End-Date: 2017-01-22 18:10:27
Looking at /var/log/kernel.log (attached fragment) I found a backtrace
including the i915 module.
Attached is the output from lspci and lshw. Let me know if you need anything
else.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-62-lowlatency 4.4.0-62.83
ProcVersionSignature: Ubuntu 4.4.0-62.83-lowlatency 4.4.40
Uname: Linux 4.4.0-62-lowlatency x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: luca 2999 F...m pulseaudio
/dev/snd/controlC1: luca 2999 F.... pulseaudio
/dev/snd/controlC0: luca 2999 F.... pulseaudio
CurrentDesktop: GNOME-Flashback:Unity
Date: Thu Jan 26 18:59:53 2017
HibernationDevice: RESUME=UUID=841aac03-34a5-409e-a845-fdb0c6d7284a
InstallationDate: Installed on 2015-11-12 (440 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 20DT001TGE
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-62-lowlatency
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-62-lowlatency N/A
linux-backports-modules-4.4.0-62-lowlatency N/A
linux-firmware 1.157.8
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-12-05 (52 days ago)
dmi.bios.date: 08/19/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: JDET54WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: Intel powered classmate PC
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40705 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJDET54WW(1.16):bd08/19/2015:svnLENOVO:pn20DT001TGE:pvrThinkPadL450:rvnLENOVO:rnIntelpoweredclassmatePC:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20DT001TGE
dmi.product.version: ThinkPad L450
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed xenial
** Attachment added: "lspci"
https://bugs.launchpad.net/bugs/1659621/+attachment/4809426/+files/lspci.txt
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https://bugs.launchpad.net/bugs/1659621
Title:
Random freezes and reboots since last kernel update
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