lkml.org 
[lkml]   [2006]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: 18rc1 soft lockup
From
Date
On Fri, 2006-07-14 at 10:09 -0400, Dave Jones wrote:
> On Fri, Jul 14, 2006 at 11:22:47AM +0200, Roman Zippel wrote:
> > Hi,
> >
> > On Thu, 13 Jul 2006, Dave Jones wrote:
> >
> > > On Thu, Jul 13, 2006 at 03:15:43PM -0700, 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?
> > >
> > > Right at the end of boot up, between the switch from runlevel 3 to 5.
> >
> > When it waits, a SysRq+T might be useful.
>
> it doesn't wait. this scrolls by within a split second.

Huh. I wonder if the x86-64 lost-tick compensation code is being
triggered. Could you boot w/ "report_lost_ticks" and see if it spits
anything out right before this?

thanks
-john

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-07-15 01:33    [W:0.042 / U:0.448 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site