Re: 2.6.{26.2,27-rc} oops on virtualbox

[H. Peter Anvin]

Mathieu Desnoyers wrote:
> The patch which turns on this bug this this important change to the
> apply paravirt : it disables interrupts _near_ the code patching,
> _within_ the loop. Before, interrupts were disabled outside of the loop.
> It needs to disable interrupts within the loop to be able to use vmap in
> text_poke().
>
> So I bet VirtualBox has a race in the way it handles interrupt
> disabling.

That seems a bit far-fetched.  The fault is in an initcall, and there 
are no interrupts involved.  Perhaps VirtualBox doesn't manage its 
tcache correctly, but I don't see this as being interrupt-related.

	-hpa
--
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/