On Saturday, 26 May 2007 14:49, Maximilian Engelhardt wrote:
> On Saturday 26 May 2007, Nigel Cunningham wrote:
> > Hi.
> >
> > On Sat, 2007-05-26 at 11:28 +0200, Maximilian Engelhardt wrote:
> > > Hello,
> > >
> > > When I try software suspend on my laptop it always returns to my running
> > > system after some time.
> > > This is what's logged by the kernel:
> > >
> > > swsusp: Basic memory bitmaps created
> > > Stopping tasks ...
> > > Stopping kernel threads timed out after 20 seconds (1 tasks refusing to
> > > freeze):
> > > cryptd
> > > Restarting tasks ... done.
> > > swsusp: Basic memory bitmaps freed
> > >
> > > I have no idea what's the problem, but if you tell me what I should do I
> > > can create debugging information and/or test patches.
> >
> > Could you try this patch, please? It should help.
> >
> > Herbert, is this right? If cryptd is going to be used for block devs,
> > the task should probably be PF_NOFREEZE (or whatever it is today)
> > instead.
> >
> > Regards,
> >
> > Nigel
> >
> > crypto/cryptd.c | 1 +
> > include/linux/freezer.h | 3 +++
> > kernel/power/process.c | 2 +-
> > 3 files changed, 5 insertions(+), 1 deletion(-)
> > diff -ruNp 991-fix-cryptd.patch-old/crypto/cryptd.c
> > 991-fix-cryptd.patch-new/crypto/cryptd.c ---
> > 991-fix-cryptd.patch-old/crypto/cryptd.c 2007-05-19 18:16:47.000000000
> > +1000 +++ 991-fix-cryptd.patch-new/crypto/cryptd.c 2007-05-26
> > 19:45:42.000000000 +1000 @@ -341,6 +341,7 @@ static int cryptd_thread(void
> > *data)
> >
> > mutex_unlock(&state->mutex);
> >
> > + try_to_freeze();
> > schedule();
> > } while (!stop);
>
> I tried your patch, but when I apply it my kernel doesn't compile any more. I
> get these warnings/errors:
You need to add '#include <freezer.h>' to crypto/cryptd.c .
Greetings,
Rafael
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