This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1598450
Title:
System freeze when going into suspend after “rmmod cx23885 cx25840”
Status in linux package in Ubuntu:
Confirmed
Bug description:
When the system (Ubuntu 16.04 LTS with Kernel 4.4.0-28) goes into
suspend (hybrid-sleep with systemd), I get sometimes (around every
fifth time) a system freeze. In the other cases, everything works fine
before and after the suspend with the system and DVB-C/T card DVBSky
T982.
I using the following configuration to remove both modules for my DVB
card, otherwise the card would not work after suspend.
[Unit]
Description=Restart DVB services
Before=sleep.target
StopWhenUnneeded=yes
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/sbin/modprobe -r cx23885 cx25840
ExecStop=/sbin/modprobe cx25840 ; /sbin/modprobe cx23885
[Install]
WantedBy=sleep.target
I have nothing installed what are using the modules at the moment (e.g. like
tvheadend).
I had the problem also with Ubuntu 14.04 and Vivid Kernel 3.19 a couple of
month ago. Only the installation of the closed source driver from DVBSky could
fix the problem under Trusty.
May the issue is related to Bug #1532412.
Please find attached the syslog part with the logging and error
messages before my system freeze.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-28-generic 4.4.0-28.47
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: server 1401 F.... pulseaudio
Date: Sat Jul 2 17:10:56 2016
HibernationDevice: RESUME=/dev/mapper/vg--ssd-lv--ssdswap
InstallationDate: Installed on 2016-06-11 (21 days ago)
InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420)
IwConfig:
lo no wireless extensions.
enp0s25 no wireless extensions.
ProcEnviron:
LANGUAGE=de_DE
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-28-generic
root=/dev/mapper/vg--ssdroot-lv--ssdroot ro
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-28-generic N/A
linux-backports-modules-4.4.0-28-generic N/A
linux-firmware 1.157.1
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/20/2015
dmi.bios.vendor: Intel Corp.
dmi.bios.version: RLH8710H.86A.0330.2015.0720.1750
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DH87RL
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG74240-403
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrRLH8710H.86A.0330.2015.0720.1750:bd07/20/2015:svn:pn:pvr:rvnIntelCorporation:rnDH87RL:rvrAAG74240-403:cvn:ct3:cvr:
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