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Subject[BISECTED] Regression: First hibernation attempt fails
Alan Jenkins wrote:
> Pavel Machek wrote:
>
>> On Fri 2009-04-10 12:08:13, Alan Jenkins wrote:
>>
>>
>>> Pavel Machek wrote:
>>>
>>>
>>>> On Thu 2009-04-09 12:13:03, Alan Jenkins wrote:
>>>>
>>>>
>>>>
>>>>> Yet another issue in 2.6.30-rc1 which was not present in 2.6.29 :-). I
>>>>> wonder if it rings any bells?
>>>>>
>>>>> On my laptop (EEE 4G), the first attempt at hibernation fails.
>>>>> Subsequent attempts succeed.
>>>>>
>>>>> If I use s2disk as normal, I see "snapshotting system", then before it
>>>>> gets to write out the image, it aborts and switches back to X. I can't
>>>>> see any error message, even if I check the log with "dmesg".
>>>>>
>>>>> If I use "echo disk > /sys/power/state", echo reports the error "Cannot
>>>>> allocate memory".
>>>>>
>>>>> This only happens if I've logged in to X first. In fact, I narrowed it
>>>>> down to gnome-power-manager. If I kill gnome-power-manager beforehand,
>>>>> then it doesn't happen.
>>>>>
>>>>>
>>>> Anything interesting in dmesg?
>>>>

>>> Nothing obvious. I've attached my latest at
>>> <http://bugzilla.kernel.org/show_bug.cgi?id=13058>.
>>>

Bisection succeeded:

1faa16d22877f4839bd433547d770c676d1d964c
"block: change the request allocation/congestion logic to be sync/async
based"

If I revert the commit, it fixes my bug.

Regards
Alan


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