incomplete - waiting for more feedback
** Changed in: pm-utils (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1705551
Title:
close lid suspends correctly and wakealarm resumes from suspend to run
cron jobs but opening lid reveals no display
Status in pm-utils package in Ubuntu:
Incomplete
Bug description:
[Problem]
When I close the laptop lid, pm-action runs the following code which I
have added:
sh -c "echo 0 > /sys/class/rtc/rtc0/wakealarm" # clear alarm
sh -c "echo `date '+%s' -d '7am next day + 30 minutes'` >
/sys/class/rtc/rtc0/wakealarm" # set alarm
and then suspends. At 7:30 AM the next day, the laptop resumes from
suspend with the lid closed and executes cron jobs (e.g. some
backups). If I open the lid then there is no display. I tried several
options to resume the display:
- [FAILS] all sorts of keyboard combinations
- [FAILS] ssh -X into laptop and execute "sudo -u bierre env DISPLAY=:0
/usr/bin/xrandr --auto" (n.b. when I run "sudo -u bierre env" there is no
DISPLAY variable)
- [MANUAL HACK] closing the lid causes the laptop to suspend and then opening
the lid causes it to resume with a normal working display
I would like a solution or SOFTWARE HACK which I could add to /usr/lib
/pm-utils/sleep.d/99video during resume from suspend triggered by
wakealarm so that opening the lid would reveal a working display.
[Laptop System Information]
laptop = MacBookPro5,5
pm-utils version = 1.4.1-13ubuntu0.2
kernel = Linux version 3.19.0-32-generic (buildd@lgw01-43) (gcc version 4.8.2
(Ubuntu 4.8.2-19ubuntu1) ) #37~14.04.1-Ubuntu SMP Thu Oct 22 09:41:40 UTC 2015
OS = "Linux Mint 17.3 Rosa" based on "14.04.3 LTS, Trusty Tahr"
desktop environment = XFCE
video card = NVIDIA Corporation C79 [GeForce 9400M] (rev b1) (prog-if 00 [VGA
controller])
video driver = [633938.944] (II) NOUVEAU(0): Output LVDS-1
[Additional Information]
After my cron backup job is finished it will check if the lid is
closed. If it is closed then it will run pm-suspend. If I then open
the lid, the laptop resumes with a normal working display. So the
problem of no visible display occurs only when I open the lid after
resume from wakealarm and before the backup job suspends the laptop.
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