Messages in this thread |  | | | Subject | Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to implicate xfs, scsi, networking, SMP | | From | Arjan van de Ven <> | | Date | Fri, 24 Nov 2006 08:52:38 +0100 |
| |
On Fri, 2006-11-24 at 11:55 +1100, David Chinner wrote: > On Thu, Nov 23, 2006 at 07:37:00PM +0100, Arjan van de Ven wrote: > > On Thu, 2006-11-23 at 14:16 +0100, Ingo Oeser wrote: > > > Hi there, > > > > > > David Chinner schrieb: > > > > If the softirqs were run on a different stack, then a lot of these > > > > softirqs DO run on their own stack! > > So they run on a separate stack for 4k stacks on x86? > > They don't run on a separate stack for 8k stacks on x86 - > Jesper's traces show that - so this may indicate an issue > with the methodology used to generate the stack overflow > traces inteh first place. i.e. if 4k stacks use a separate > stack, then most of the reported overflows are spurious > and would not normally occur on 4k stack systems.. > > Can you confirm this, Arjan?
yes there are separate stacks for softirq and hardirq context with 4K stacks, but not for 8K stacks.
-- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
- 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/
|  |