This is being felt by quite a number of users. See ubuntuforum threads
420296 and 413792.
I have tried all the workarounds suggested in the forums and none work.
For me, the failure of HIBERNATE on a laptop is a major issue. It cuts
down boot and application start time, thus saving battery - vital on a
business trip.
Suspend to RAM works with no apparent problem
Suspend to Disk apparently works, with disk acivity, then a period of
quiscence, then some graphic mess in the top few lines of the screen,
then a blank screen and a password box.
In /var/log/debug I have the lines
Apr 29 21:55:54 localhost kernel: [ 961.696000] agpgart-intel 0000:00:00.0:
LATE suspend
Apr 29 21:55:54 localhost kernel: [ 961.696000] Back to C!
Apr 29 21:55:54 localhost kernel: [ 977.696000] agpgart-intel 0000:00:00.0:
EARLY resume
Another Hibernate attempt produces the following:
Apr 29 22:53:36 localhost kernel: [ 4440.212000] agpgart-intel 0000:00:00.0:
LATE freeze
Apr 29 22:53:36 localhost kernel: [ 4440.212000] swsusp: Normal pages needed:
123927 + 1024 + 24, available pages: 135355
Apr 29 22:53:36 localhost kernel: [ 4441.212000] agpgart-intel 0000:00:00.0:
EARLY resume
The "page" problem gets worse with each subsequent HIBERNATE attempt (next
lines generated with <grep swsusp ./debug>
Apr 29 21:32:08 localhost kernel: [ 139.516000] swsusp: Normal pages needed:
89454 + 1024 + 24, available pages: 172182
Apr 29 22:02:40 localhost kernel: [ 1385.060000] swsusp: Normal pages needed:
111273 + 1024 + 24, available pages: 131069
Apr 29 22:08:40 localhost kernel: [ 1744.928000] swsusp: Normal pages needed:
115827 + 1024 + 24, available pages: 129717
Apr 29 22:31:04 localhost kernel: [ 3088.172000] swsusp: Normal pages needed:
118392 + 1024 + 24, available pages: 129662
Apr 29 22:42:14 localhost kernel: [ 3758.224000] swsusp: Normal pages needed:
123826 + 1024 + 24, available pages: 132656
Apr 29 22:53:36 localhost kernel: [ 4440.212000] swsusp: Normal pages needed:
123927 + 1024 + 24, available pages: 135355
I upgraded to Feisty in early April, and did not notice the Hibernate
problem until late April, viz after a flurry of updates (but I cant
remember which).
Hope this helps.
Richard
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HAL failed to hibernate
https://bugs.launchpad.net/bugs/68258
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