Re: broken suspend (sched related) [Was: 2.6.24-rc4-mm1]

Ingo Molnar
2007-12-08T15:25:46Z

* Jiri Slaby <jirislaby@gmail.com> wrote:

> On 12/08/2007 09:39 AM, Ingo Molnar wrote:
> > * Jiri Slaby <jirislaby@gmail.com> wrote:
> >
> >> Unfortunately no change here.
> >
> > could you try to revert this change:
> >
> > -int softlockup_thresh = 10;
> > +int softlockup_thresh = 60;
> >
> > i.e. change the value of softlockup_thresh back to 10. You should be
> > able to tweak this runtime as well, without patching the kernel:
> >
> > echo 10 > /proc/sys/kernel/softlockup_thresh
>
> What should have this changed? I can't see any difference.

it changes the wakeup frequency of the softlockup thread.

i'm wondering why it had no effect now - the new code is in essence a
NOP over what we had. Could you send me your current (modified)
kernel/softlockup.c code?

Ingo