Re: KVM induced panic on 2.6.38 & 2.6.39
From: Eric Dumazet
Date: Tue Jun 07 2011 - 14:31:41 EST
Le mardi 07 juin 2011 Ã 17:35 +0200, Patrick McHardy a Ãcrit :
> The main suspects would be NAT and TCPMSS. Did you also try whether
> the crash occurs with only one of these these rules?
> > I've just compiled out CONFIG_BRIDGE_NETFILTER and can no longer access
> > the address the way I was doing it, so that's a no-go for me.
> That's really weird since you're apparently not using any bridge
> netfilter features. It shouldn't have any effect besides changing
> at which point ip_tables is invoked. How are your network devices
> configured (specifically any bridges)?
Something in the kernel does
u16 *ptr = addr (given by kmalloc())
ptr[-1] = 0;
Could be an off-one error in a memmove()/memcopy() or loop...
I cant see a network issue here.
I checked arch/x86/lib/memmove_64.S and it seems fine.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/