lkml.org 
[lkml]   [2007]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] clockevents: Fix suspend/resume to disk hangs
From
Date
On Tue, 2007-03-20 at 10:35 +0100, Marcus Better wrote:
> Thomas Gleixner wrote:
>
> > I finally found a dual core box, which survives suspend/resume without
> > crashing in the middle of nowhere. Sigh, I never figured out from the
> > code and the bug reports what's going on.
> >
> > The observed hangs are caused by a stale state transition of the clock
> > event devices, which keeps the RCU synchronization away from completion,
> > when the non boot CPU is brought back up.
>
> This didn't fix the suspend problems on my Thinkpad R60. (Sorry for
> nagging - please let me know if I can assist in debugging this...)

I did not expect that it fixes your problem. clockevents are only used
in arch/i386 right now. You are running a 64 bit kernel, so a change of
your problem would have been very surprising.

You said, that the breakage came between 2.6.20 and rc2. Can you bisect
it ?

tglx


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-03-21 14:59    [W:0.816 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site