* Michal Piotrowski <[EMAIL PROTECTED]> wrote:
> Thomas Gleixner napisał(a):
> > Adrian,
> >
> > On Mon, 2007-02-26 at 23:05 +0100, Adrian Bunk wrote:
> >> Subject : kernel BUG at kernel/time/tick-sched.c:168 (CONFIG_NO_HZ)
> >> References : http://lkml.org/lkml/2007/2/16/346
> >> Submitter : Michal Piotrowski <[EMAIL PROTECTED]>
> >> Handled-By : Thomas Gleixner <[EMAIL PROTECTED]>
> >> Status : problem is being debugged
> >
> > The BUG_ON() was replaced by a warning printk(). The BUG_ON() exposed a
> > problem with the SMT scheduler. See below.
> >
> >> Subject : BUG: soft lockup detected on CPU#0
> >> NOHZ: local_softirq_pending 20 (SMT scheduler)
> >> References : http://lkml.org/lkml/2007/2/20/257
> >> Submitter : Michal Piotrowski <[EMAIL PROTECTED]>
> >> Handled-By : Thomas Gleixner <[EMAIL PROTECTED]>
> >> Ingo Molnar <[EMAIL PROTECTED]>
> >> Status : problem is being debugged
> >
> > Patch available, not confirmed yet.
> >
>
> I can confirm that the bug is fixed (over 20 hours of testing should
> be enough).
thanks alot! I think this thing was a long-term performance/latency
regression in HT scheduling as well.
Ingo
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