Public bug reported:
The Shutdown-process hangs. After about two minutes the following
message is displayed:
Oct 17 18:47:06 Kahlan kernel: [ 363.170588] INFO: task kworker/u8:2:186
blocked for more than 120 seconds.
Oct 17 18:47:06 Kahlan kernel: [ 363.170592] Tainted: P OE
4.13.0-12-generic #13-Ubuntu
Oct 17 18:47:06 Kahlan kernel: [ 363.170593] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Two Minutes later this message is displayed:
Oct 17 18:49:07 Kahlan kernel: [ 484.008650] INFO: task kworker/u8:2:186
blocked for more than 120 seconds.
Oct 17 18:49:07 Kahlan kernel: [ 484.008659] Tainted: P OE
4.13.0-12-generic #13-Ubuntu
Oct 17 18:49:07 Kahlan kernel: [ 484.008662] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
This message repeates itself. If I am lucky, my laptop shuts down after
some time.
Also standby does not work. I think my wifi-adapter causes this problem.
With Ubuntu 17.04 or Suse 42.3 I cannot reproduce this problem. I found
a bug report in the Arch Bug System
(https://bugs.archlinux.org/task/55872
In my laptop I have also a Qualcomm Atheros Adapter. Perhaps the
linuxkernel has a bug?
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: xorg 1:7.7+19ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CompositorRunning: None
CurrentDesktop: KDE
Date: Tue Oct 17 19:08:32 2017
DistUpgraded: Fresh install
DistroCodename: artful
DistroVariant: kubuntu
DkmsStatus:
bbswitch, 0.8, 4.13.0-12-generic, x86_64: installed
bbswitch, 0.8, 4.13.0-16-generic, x86_64: installed
nvidia-384, 384.90, 4.13.0-12-generic, x86_64: installed
nvidia-384, 384.90, 4.13.0-16-generic, x86_64: installed
ExtraDebuggingInterest: No
GraphicsCard:
Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA
controller])
Subsystem: Acer Incorporated [ALI] HD Graphics 5500 [1025:0962]
InstallationDate: Installed on 2017-10-07 (10 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
MachineType: Acer Aspire VN7-571G
ProcEnviron:
LANGUAGE=de
PATH=(custom, no user)
XDG_RUNTIME_DIR=
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed
root=UUID=d5a4b134-b39a-4764-99bd-208c9e504fa8 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/08/2015
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.14
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire VN7-571G
dmi.board.vendor: Acer
dmi.board.version: V1.14
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.14
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.14:bd01/08/2015:svnAcer:pnAspireVN7-571G:pvrV1.14:rvnAcer:rnAspireVN7-571G:rvrV1.14:cvnAcer:ct10:cvrV1.14:
dmi.product.family: Broadwell System
dmi.product.name: Aspire VN7-571G
dmi.product.version: V1.14
dmi.sys.vendor: Acer
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.83-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
** Affects: ubuntu
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug artful fonts kubuntu
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https://bugs.launchpad.net/bugs/1724317
Title:
Shutdown hangs / no standby - possible Wifi-bug in the kernel
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