Re: PROBLEM: oops

[Peter Zijlstra <peterz@infradead.org>]

On Tue, 2009-08-25 at 16:11 +0200, Pawel Golaszewski wrote:
> On Tue, 25 Aug 2009, Peter Zijlstra wrote:
> > > No matter which kernel I'm using (2.6.27 - 2.6.30) it crashes. Works for 
> > > few minutes and crashes. Even SysRq doesn't work.
> > > 
> > > Dunno how to trigger it on other machine than mine (I have two, both 
> > > affected). If more info is required - just ask.
> > > [...]
> > > [24483.211036] BUG: unable to handle kernel NULL pointer dereference at 00000058
> > > [24483.211144] IP: [<c081cf9a>] pick_next_task_fair+0x6a/0x100
> > > [24483.211247] Oops: 0000 [#1] SMP 
> > > [24483.211300] Modules linked in: netconsole configfs dm_mod softdog sch_sfq xfs raid10 uhci_hcd eepro100 ppdev parport_pc floppy parport ehci_hcd e100 piix i2c_piix4 thermal psmouse e1000 container ide_core usbcore mii button pcspkr serio_raw processor i2c_core sg evdev ext3 jbd mbcache scsi_wait_scan sd_mod crc_t10dif ata_piix libata dock aic7xxx sym53c8xx scsi_transport_spi scsi_mod raid1 md_mod
> > > [24483.211878] 
> > > [24483.211910] Pid: 1677, comm: md2_raid10 Not tainted (2.6.27.31-1 #1)
> > 
> > So you're saying .30 crashes at the exact same place?
> 
> Well... I'm not able to catch anything on .30
> No sign on netconsole, black screen on monitor...

Could you share your .config?