lkml.org 
[lkml]   [2009]   [Apr]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [2.6.30-rc1] RCU detected CPU 1 stall
On Sat, Apr 11, 2009 at 06:08:54AM +0900, Tetsuo Handa wrote:
> Hello.
>
> Paul E. McKenney wrote:
> > Tetsuo, how many tasks did you have on this machine?
> I didn't count how many tasks were running on this machine.
> But the number of tasks should be very low, for this happened during
> the boot stage of Debian Sarge.
>
> 30 seconds ago from the first stalled message
>
> [ 41.415158] INFO: RCU detected CPU 1 stall (t=4294902646/2500 jiffies)
> [ 41.417332] Pid: 3487, comm: khelper Tainted: G W 2.6.30-rc1 #1
> [ 41.417332] Call Trace:
>
> the system was doing
>
> [ 10.555521] kjournald starting. Commit interval 5 seconds
> [ 10.556727] EXT3 FS on sdb1, internal journal
> [ 10.556727] EXT3-fs: recovery complete.
> [ 10.557585] EXT3-fs: mounted filesystem with writeback data mode.
> /dev/sdb1 on /usr/src/all type ext3 (rw,noatime,nodiratime)
> Detecting hardware: agpgart pcnet32 piix BusLogic ide_scsi
> Skipping unavailable/built-in agpgart module.
> pcnet32 disabled in configuration.
> Skipping unavailable/built-in piix module.
> Skipping unavailable/built-in BusLogic module.
> Skipping unavailable/built-in ide_scsi module.
> Running 0dns-down to make sure resolv.conf is ok...done.
> Setting up networking...done.
> Starting hotplug subsystem:
> pci
> ignoring pci display device 00:0f.0
> [ 16.727603] ------------[ cut here ]------------
> [ 16.729910] WARNING: at security/security.c:217 security_vm_enough_memory+0xa0/0xb0()
>
> > Though I too find it hard to believe that there were enough to chew up
> > two minutes. Maybe the list got corrupted so that it has a loop?
>
> I powered off the machine after two minutes, for I thought the loop
> was infinite.

Is this reproducible? If so, any chance you could try bisecting?

Thanx, Paul


\
 
 \ /
  Last update: 2009-04-11 01:15    [W:0.090 / U:0.600 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site