Messages in this thread | | | Date | Wed, 14 Jan 2009 11:48:26 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] softlock: fix false panic which can occur if softlockup_thresh is reduced |
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* Mandeep Singh Baines <msb@google.com> wrote:
> At run-time, if softlockup_thresh is changed to a much lower value, > touch_timestamp is likely to be much older than the new softlock_thresh. > > This will cause a false softlockup to be detected. If softlockup_panic > is enabled, the system will panic. > > The fix is to touch all watchdogs before changing softlockup_thresh. > > Signed-off-by: Mandeep Singh Baines <msb@google.com> > --- > include/linux/sched.h | 3 +++ > kernel/softlockup.c | 9 +++++++++ > kernel/sysctl.c | 2 +- > 3 files changed, 13 insertions(+), 1 deletions(-)
applied to tip/core/urgent, thanks!
Ingo
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