linux-kernel - Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1!

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Date:	Wed, 2 May 2007 23:49:50 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	tglx@...utronix.de
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1!

On 02/05/07, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Wed, 2007-05-02 at 23:42 +0200, Michal Piotrowski wrote:
> > Hi Thomas,
> >
> > I hit this soft lockup
> >
> > [ 5401.599275] BUG: soft lockup detected on CPU#1!
> > [ 5401.603809]  [<c0105039>] show_trace_log_lvl+0x1a/0x2f
> > [ 5401.608980]  [<c0105720>] show_trace+0x12/0x14
> > [ 5401.613456]  [<c01057d2>] dump_stack+0x16/0x18
> > [ 5401.617934]  [<c01518e8>] softlockup_tick+0xa7/0xb9
> > [ 5401.622841]  [<c012a0b5>] run_local_timers+0x12/0x14
> > [ 5401.627829]  [<c012a482>] update_process_times+0x3e/0x63
> > [ 5401.633164]  [<c013a028>] tick_sched_timer+0x5d/0xa1
> > [ 5401.638160]  [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
> > [ 5401.643415]  [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
> > [ 5401.649097]  [<c0104b2b>] apic_timer_interrupt+0x33/0x38
> > [ 5401.654437]  =======================
> > [ 5401.658055] Clocksource tsc unstable (delta = 9372000804 ns)
> > [ 5401.664061] Time: acpi_pm clocksource has been installed.
>
> Hmm. Looks like TSC going awry and the softlockup hits before the tsc
> watchdog logic kicks in.
>
> Was the system stable afterwards ?

It works.

>
>         tglx
>
>
>

Regards,
Michal

-- 
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
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