Re: 2.6.20.4: NETDEV WATCHDOG and lockups
From: Denys
Date: Wed Apr 04 2007 - 11:53:49 EST
IMHO it can be hardware issue also, i had something very similar with faulty
hardware combinations.
On Wed, 4 Apr 2007 13:21:00 +0200, Jarek Poplawski wrote
> On Tue, Apr 03, 2007 at 04:19:46PM +0100, Christian Kujau wrote:
> > On Tue, 3 Apr 2007, Jarek Poplawski wrote:
> > >Did you try with 8139cp instead of 8139too?
> >
> > Tried that, 8139cp could not be loaded :(
>
> Sorry for misleading!
>
> > >(Maybe even try some other card to narrow the problem?)
> > >You could also try to test without ehci, if it's possible.
> >
> > USB has been disabled completely. After booting with 'acpi=off lapic'
> > the box survived ~30min then locked up again and rebooted.
>
> So, it's a lot sooner than before. (BTW, isn't there anything
> in debug log?) I see both CPUs did interrupt handling again.
> Maybe it's a real locking problem. Here are some more
> suggestions for testing (if you don't find anything better):
> - try without SMP, so: 'acpi=off lapic nosmp'
> - lock debugging turned on as much as possible
> plus maybe for curiosity:
> - different CONFIG_HZ
> - 8139TOO_PIO = y
>
> ....
> > IRQ-problems with the Un-Interruptible-Power-Supply
>
> I wouldn't be surprised...
>
> Cheers,
> Jarek P.
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--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.
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