* RT : 2.6.15-rt17 and possible softlockup detected on CPU#1!
@ 2006-02-23 12:54 Serge Noiraud
2006-02-23 12:47 ` Ingo Molnar
0 siblings, 1 reply; 4+ messages in thread
From: Serge Noiraud @ 2006-02-23 12:54 UTC (permalink / raw)
To: linux-kernel; +Cc: Ingo Molnar
Hi,
I get the following messages :
BUG: tsc:6796, possible softlockup detected on CPU#1!
[<c01047ec>] dump_stack+0x1c/0x20 (20)
[<c014b3a7>] softlockup_detected+0x37/0x50 (24)
[<c014b493>] softlockup_tick+0xd3/0xf0 (24)
[<c012b013>] update_process_times+0x83/0x90 (16)
[<c013da2d>] handle_update+0x1d/0x20 (12)
[<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
[<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
[<c0104361>] apic_timer_interrupt+0x21/0x30 (-868712892)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------
BUG: tsc:6796, possible softlockup detected on CPU#1!
[<c01047ec>] dump_stack+0x1c/0x20 (20)
[<c014b3a7>] softlockup_detected+0x37/0x50 (24)
[<c014b493>] softlockup_tick+0xd3/0xf0 (24)
[<c012b013>] update_process_times+0x83/0x90 (16)
[<c013da2d>] handle_update+0x1d/0x20 (12)
[<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
[<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
[<c0104361>] apic_timer_interrupt+0x21/0x30 (-868712892)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------
BUG: tsc:6821, possible softlockup detected on CPU#1!
[<c01047ec>] dump_stack+0x1c/0x20 (20)
[<c014b3a7>] softlockup_detected+0x37/0x50 (24)
[<c014b493>] softlockup_tick+0xd3/0xf0 (24)
[<c012b013>] update_process_times+0x83/0x90 (16)
[<c013da2d>] handle_update+0x1d/0x20 (12)
[<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
[<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
[<c0104361>] apic_timer_interrupt+0x21/0x30 (-870324188)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------
These messages occurs while my RT program loops.
--
Serge Noiraud
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: RT : 2.6.15-rt17 and possible softlockup detected on CPU#1!
2006-02-23 12:54 RT : 2.6.15-rt17 and possible softlockup detected on CPU#1! Serge Noiraud
@ 2006-02-23 12:47 ` Ingo Molnar
2006-02-23 13:01 ` Serge Noiraud
0 siblings, 1 reply; 4+ messages in thread
From: Ingo Molnar @ 2006-02-23 12:47 UTC (permalink / raw)
To: Serge Noiraud; +Cc: linux-kernel
* Serge Noiraud <serge.noiraud@bull.net> wrote:
> These messages occurs while my RT program loops.
what priority does your RT program have?
Ingo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: RT : 2.6.15-rt17 and possible softlockup detected on CPU#1!
2006-02-23 12:47 ` Ingo Molnar
@ 2006-02-23 13:01 ` Serge Noiraud
2006-02-23 12:55 ` Ingo Molnar
0 siblings, 1 reply; 4+ messages in thread
From: Serge Noiraud @ 2006-02-23 13:01 UTC (permalink / raw)
To: Ingo Molnar; +Cc: linux-kernel
jeudi 23 Février 2006 13:47, Ingo Molnar wrote/a écrit :
>
> * Serge Noiraud <serge.noiraud@bull.net> wrote:
>
> > These messages occurs while my RT program loops.
>
> what priority does your RT program have?
I tried with 10, 30, 50 and 99.
>
> Ingo
>
--
Serge Noiraud
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: RT : 2.6.15-rt17 and possible softlockup detected on CPU#1!
2006-02-23 13:01 ` Serge Noiraud
@ 2006-02-23 12:55 ` Ingo Molnar
0 siblings, 0 replies; 4+ messages in thread
From: Ingo Molnar @ 2006-02-23 12:55 UTC (permalink / raw)
To: Serge Noiraud; +Cc: linux-kernel
* Serge Noiraud <serge.noiraud@bull.net> wrote:
> jeudi 23 Février 2006 13:47, Ingo Molnar wrote/a écrit :
> >
> > * Serge Noiraud <serge.noiraud@bull.net> wrote:
> >
> > > These messages occurs while my RT program loops.
> >
> > what priority does your RT program have?
> I tried with 10, 30, 50 and 99.
ok - the softlockup detector in -rt is a bit messy. I have written a
more robust softlockup detector for upstream (it's now in -mm), i'll try
to put that into the next -rt kernel. Turn it off for now ...
Ingo
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2006-02-23 12:56 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2006-02-23 12:54 RT : 2.6.15-rt17 and possible softlockup detected on CPU#1! Serge Noiraud
2006-02-23 12:47 ` Ingo Molnar
2006-02-23 13:01 ` Serge Noiraud
2006-02-23 12:55 ` Ingo Molnar
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