* 2.6.21-git4 BUG: soft lockup detected on CPU#1!
@ 2007-05-02 21:42 Michal Piotrowski
2007-05-02 21:49 ` Thomas Gleixner
0 siblings, 1 reply; 4+ messages in thread
From: Michal Piotrowski @ 2007-05-02 21:42 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: LKML
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.
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-git4/git-config
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-git4/git-dmesg
Regards,
Michal
--
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1!
2007-05-02 21:42 2.6.21-git4 BUG: soft lockup detected on CPU#1! Michal Piotrowski
@ 2007-05-02 21:49 ` Thomas Gleixner
2007-05-02 21:49 ` Michal Piotrowski
0 siblings, 1 reply; 4+ messages in thread
From: Thomas Gleixner @ 2007-05-02 21:49 UTC (permalink / raw)
To: Michal Piotrowski; +Cc: LKML
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 ?
tglx
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1!
2007-05-02 21:49 ` Thomas Gleixner
@ 2007-05-02 21:49 ` Michal Piotrowski
2007-05-02 22:43 ` Thomas Gleixner
0 siblings, 1 reply; 4+ messages in thread
From: Michal Piotrowski @ 2007-05-02 21:49 UTC (permalink / raw)
To: tglx; +Cc: LKML
On 02/05/07, Thomas Gleixner <tglx@linutronix.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)
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1!
2007-05-02 21:49 ` Michal Piotrowski
@ 2007-05-02 22:43 ` Thomas Gleixner
0 siblings, 0 replies; 4+ messages in thread
From: Thomas Gleixner @ 2007-05-02 22:43 UTC (permalink / raw)
To: Michal Piotrowski; +Cc: LKML
On Wed, 2007-05-02 at 23:49 +0200, Michal Piotrowski wrote:
> On 02/05/07, Thomas Gleixner <tglx@linutronix.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.
Ok. So it's more annoyance than a problem.
Nevertheless, I keep it in my list of things to look at.
tglx
^ permalink raw reply [flat|nested] 4+ messages in thread
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2007-05-02 21:42 2.6.21-git4 BUG: soft lockup detected on CPU#1! Michal Piotrowski
2007-05-02 21:49 ` Thomas Gleixner
2007-05-02 21:49 ` Michal Piotrowski
2007-05-02 22:43 ` Thomas Gleixner
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