I'm adding hal as affected as well. According to comment 21, the
behaviour could also be fixed by applying the patch included in the
comment.
Fixing this bug *somewhere* should really be possible now.
** Summary changed:
- Hibernation uses old kernel after kernel upgrade causing resume failure
+ Kernel upgrades without reboot break resume from hibernation
** Description changed:
1) Apply kernel update (but don't immediately reboot, as you're working)
2) have to move somewhere, hibernate laptop
3) power on laptop to restore from hibernate
- 4) look at the login screen, not your resumed desktop.
+ 4) since the hibernated image does not correspond to the current kernel
version, the image will be discarded and a regular boot is done
- proposed fix: boot old kernel if hibernate exists.
+ Result: All data that hasn't been saved is lost, filesystems can be
+ corrupted and need fsck. In severity this corresponds to a hard system
+ crash.
+
+ proposed fix: boot old kernel if hibernate exists or prevent hibernation
+ when a new kernel version has been installed.
** Also affects: hal (Ubuntu)
Importance: Undecided
Status: New
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Kernel upgrades without reboot break resume from hibernation
https://bugs.launchpad.net/bugs/76424
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