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SubjectRe: 2.6.21-rc4-mm1
On Tue, 20 Mar 2007 15:31:02 +0100 Jiri Slaby <jirislaby@gmail.com> wrote:

> Andrew Morton napsal(a):
> > http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/
>
> I'm getting this while trying to swsusp:
> Stopping tasks ...
> Stopping kernel threads timed out after 20 seconds (1 tasks refusing to freeze):
> swapper
> Restarting tasks ... done.
>
> What to test? Enable PM_DEBUG?

hm, OK. Rafael has been working on fixing the process freezer and it'll
take some time to get it to where we want it to be, I expect.

Rafael, I think that we could afford to add heaps of debug in there at this
stage to help us track down problems like this.

Also, it might be useful to add a temporary /proc/freeze-unfreeze thing
which will simply do a freeze/unfreeze cycle. Then we can apply various
workloads to the machine while madly stressing the freezer code.
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