Re: Oops with current linus' git tree

[Nick Piggin]

Diego Calleja wrote:
> I'm having two noticeable problems with the current linus' tree
>
> 1) Oops while watching a DVD with kaffeine (kde based video player),
>    oops pasted below.

From your oops it looks as though the radix_tree_lookup in find_get_page
has returned 0x40. It could be a flipped bit - is your memory OK?

Can you apply the attached patch and try to reproduce the oops?

> 2) This is a dual p3 machine, but only one CPU is being used to
>    run processes on it. CPU #1 is detected etc, but processes will
>    be scheduled only in CPU #0. /proc/interrupts shows that CPU #1 is
>    still used to service interrupts. I'm able to force processes to run
>    on that CPU with taskset but it won't happen automatically like it
>    usually does. dmesg here: http://terra.es/personal/diegocg/dmesg

What happens if you run several infinite loops to increase the load?
Does everything still stay on CPU0?

> Jan 16 18:04:07 estel kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000040

Thanks,
Nick

--
SUSE Labs, Novell Inc.

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