Public bug reported:
I have been struggling to find out how to get my laptop (Dell M3800)
using ubuntu 16.04 to resume from suspend. It goes into suspend (with no
errors in /var/log/pm-suspend.log). But when resuming, it immediately
reboots, with no errors in /var/log/pm-suspend either.
*but*
Resume works perfectly when a USB key is plugged in (any key!).
PS: I figured that out because suspend/resume works out of the box when
using ubuntu 16.04 live CD, but not when using the fresh installed 16.04
afterwards. What's the difference?? There's a key in the USB port in the
first case. So I tried suspend/resume with the *installed* version when
a USB key is present: it works.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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https://bugs.launchpad.net/bugs/1617599
Title:
Resume from suspend causes reboot, except if USB key is plugged in
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have been struggling to find out how to get my laptop (Dell M3800)
using ubuntu 16.04 to resume from suspend. It goes into suspend (with
no errors in /var/log/pm-suspend.log). But when resuming, it
immediately reboots, with no errors in /var/log/pm-suspend either.
*but*
Resume works perfectly when a USB key is plugged in (any key!).
PS: I figured that out because suspend/resume works out of the box
when using ubuntu 16.04 live CD, but not when using the fresh
installed 16.04 afterwards. What's the difference?? There's a key in
the USB port in the first case. So I tried suspend/resume with the
*installed* version when a USB key is present: it works.
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