Messages in this thread | | | Date | Wed, 8 Jul 2009 11:13:44 +0200 | From | Jarek Poplawski <> | Subject | Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem) |
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On Wed, Jul 08, 2009 at 10:29:34AM +0200, Andres Freund wrote: > On Wednesday 08 July 2009 10:08:52 Jarek Poplawski wrote: > > On Tue, Jul 07, 2009 at 06:11:27PM +0200, Andres Freund wrote: > > > On Tuesday 07 July 2009 15:57:42 Jarek Poplawski wrote: > > > > On Tue, Jul 07, 2009 at 03:34:07PM +0200, Andres Freund wrote: > > > > ... > > > > > > > > > Testing wether its triggerable inside a vm might be interesting... > > > > > > > > Probably similarly to testing without this patch or even less. Maybe > > > > I should've warned you but this type of bugs in -rc with possible > > > > memory or stack overwrites might be fatal for your data (at least). > > > > > > Fortunately all the data on that machine should either be replaceable or > > > regularly backuped. > > > > > > Will test later today if that patch bugs. > > > > If you didn't start yet, it would be nice to use this, btw: > > > > CONFIG_HOTPLUG_CPU = N > > CONFIG_DEBUG_OBJECTS = Y > > CONFIG_DEBUG_OBJECTS_TIMERS = Y > So I should test with a single cpu? Or is there a config where HOTPLUG_CPU does > not imply !SMP?
No, my single cpu should be enough ;-) There is something wrong I guess. I can see in my menuconfig:
SMP [=y] ... HOTPLUG [=n] ... HOTPUG_CPU [=y] ... Depends on SMP && HOTPLUG
So, let it be HOTPLUG_CPU = Y for now...
Jarek P.
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