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...
(And yes, I did apply the whole series. It would be nice if next
series was relative to -mm, it already contains some of your changes).
Pavel
--
teflon -- maybe it is a trademark, but it should not be.
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