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Message #24908
[Bug 1318249] Re: Failure to resume from hybrid suspend
Odd, this seems to work on on my Dell Inspiron 15. Tested "Suspend to
Disk" and "Suspend to RAM". Both gernerate the log message indicating an
image was written to disk. Both resume normally with "Suspend to RAM"
being execptedly faster. My machine was also upgraded from 13.10. I
don't know if anything older than that was installed.
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https://bugs.launchpad.net/bugs/1318249
Title:
Failure to resume from hybrid suspend
Status in “xorg” package in Ubuntu:
Confirmed
Bug description:
I followed http://askubuntu.com/questions/145443/how-do-i-use-pm-
suspend-hybrid-by-default-instead-of-pm-suspend/145676#145676 to set
up hybrid suspend, creating the file /etc/pm/config.d/00-use-suspend-
hybrid with the following contents:
---------- snip ---------------
HIBERNATE_MODE=platform
# Always use hibernate instead of suspend, but with "suspend to both"
if [ "$METHOD" = "suspend" ]; then
METHOD=hibernate
HIBERNATE_MODE=suspend
fi
# Make sure to use the kernel's method, in case uswsusp is installed etc.
SLEEP_MODULE=kernel
---------- snip ------------------
On suspend, the system writes an image to disk (according to
/var/log/syslog) and goes to sleep on RAM as expected. However, on
resume things first seem to proceed normally, but the screen is never
lit up. I couldn't find any obvious errors in /var/log/syslog.
The behaviour is similar with the "Indirect hybrid sleep" approach,
which used to work successfully before upgrading from 13.10 to 14.04.
Both suspend-to-RAM and suspend-to-disk (hibernate) work and resume
sucessfully, i.e. when removing the file /etc/pm/config.d/00-use-
suspend-hybrid.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: KDE
Date: Sat May 10 22:34:48 2014
InstallationDate: Installed on 2012-06-20 (689 days ago)
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to trusty on 2014-04-23 (17 days ago)
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