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SubjectRe: soft lockup in serial8250_console_write(?)
Ingo Molnar <mingo@elte.hu> wrote:
>
>
> * Randy.Dunlap <rdunlap@xenotime.net> wrote:
>
> > > > This function calls wait_for_xmitr() [inline], which in worst case can
> > > > spin for 1.010 seconds. Could this be the cause of a soft lockup?
> > >
> > > hm, it shouldnt cause that. Could you try the attached patch [which is
> > > the next-gen softlockup detector], do you get the message even with that
> > > one applied?
> >
> > 5/5 good boots with your new patch.
> > 5/5 soft lockups without it.
> >
> > Is this scheduled for post-2.6.16 ?
>
> yes, in theory. Andrew?
>

Which? timer-irq-driven-soft-watchdog-cleanups.patch? Yup.
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