Re: 18rc1 soft lockup

From: Roman Zippel
Date: Thu Jul 13 2006 - 19:04:09 EST


Hi,

On Thu, 13 Jul 2006, john stultz wrote:

> > Just when I thought it had gotten fixed..
> > 2.6.18rc1-git6 this time on x86-64..
> >
> > BUG: soft lockup detected on CPU#3!
> >
> > Call Trace:
> > [<ffffffff80270865>] show_trace+0xaa/0x23d
> > [<ffffffff80270a0d>] dump_stack+0x15/0x17
> > [<ffffffff802c44e6>] softlockup_tick+0xd5/0xea
> > [<ffffffff80250bea>] run_local_timers+0x13/0x15
> > [<ffffffff8029cc1d>] update_process_times+0x4c/0x79
> > [<ffffffff8027bfeb>] smp_local_timer_interrupt+0x2b/0x50
> > [<ffffffff8027c766>] smp_apic_timer_interrupt+0x58/0x62
> > [<ffffffff802628ae>] apic_timer_interrupt+0x6a/0x70
>
> Hmmm.. grumble. Was this on bootup, or after some time period?
>
> I'm looking into it.

I don't quite understand how this is clock related, soft lockup uses
jiffies and there is nothing clock related in the trace???

bye, Roman
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