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[Bug 821484] hibernation is often interrupted while hibernating with pm-utils

--- Comment #6 from Michael Chang <mchang@xxxxxxxx> 2013-06-28 03:41:59 UTC ---
(In reply to comment #1)
Some extra comments:

1. If I use SLEEP_MODULE="kernel" (which is equivalent to "echo disk
/sys/power/state", as well as I understand), it works better, but after
several times of hibernating/resuming begins to refuse hibernating as well.

Probably file locking problem that previous pm-hibernate terminated

2. I have made the /sys/power/pm_test tests, and every except "core" is

The core does everything necessary except for calling the lowest level firmware
actions to actually put the system to sleep, if the testing fail could suggest
a hardware or firmware problem rather than os.

3. Attempts to unload network modules os to stop networking are of no help.

As you have passed device pm-test the result is expected.

4. I am surprised by no reaction (even formal or negative) to my report. I am
bored by this problem very much, and it seems to me an important one.

Did you try SLEEP_MODULE="uswsusp" (ie s2disk) with splash disabled ? edit
/etc/suspend.conf and set
splash = n

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