Hi!
> Introduce a todo notifier in the task_struct so that a task can be told to do
> certain things. Abuse the suspend hooks try_to_freeze, freezing and refrigerator
> to establish checkpoints where the todo list is processed. This will break software
> suspend (next patch fixes and cleans up software suspend).
Ugh, this conflicts with stuff in -mm tree rather badly... In part
thanks to patch by you that was already applied.
I fixed up rejects manually (but probably lost fix or two in
progress), and will test.
Uff, and then it breaks suspend completely:
Jul 28 23:21:12 amd kernel: Stopping tasks:
=====================================Restarting tasks...khpsbpkt:
received unexpected signal?!
Jul 28 23:21:12 amd kernel: NodeMgr: received unexpected signal?!
Jul 28 23:21:22 amd kernel: done
Jul 28 23:21:32 amd pam_limits[1547]: wrong limit value 'unlimited'
(Left me with basically all kernel threads going crazy:)
top - 23:22:34 up 3 min, 4 users, load average: 5.10, 1.90, 0.69
Tasks: 48 total, 2 running, 46 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0% us, 100.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi,
0.0% si
Mem: 2064480k total, 155664k used, 1908816k free, 10280k
buffers
Swap: 2136448k total, 0k used, 2136448k free, 114624k
cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
273 root 25 0 0 0 0 S 21.1 0.0 0:11.24 kswapd0
938 root 25 0 0 0 0 S 21.1 0.0 0:11.24 pccardd
940 root 25 0 0 0 0 S 21.1 0.0 0:11.30 pccardd
1060 root 25 0 0 0 0 R 21.1 0.0 0:21.34 kjournald
1409 root 25 0 0 0 0 S 17.3 0.0 0:19.71 kjournald
You are doing rather intrusive changes. Is testing them too much to
ask? I'm pretty sure you can get i386 machine to test swsusp on...
Pavel
--
teflon -- maybe it is a trademark, but it should not be.
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