Re: recent -git: BUG in free_thread_xstate

From: Vegard Nossum
Date: Wed Jul 23 2008 - 18:06:00 EST

On Thu, Jul 24, 2008 at 12:01 AM, Dmitry Adamushko
<dmitry.adamushko@xxxxxxxxx> wrote:
>> BUG: unable to handle kernel paging request at c0804358
>> IP: [<c057e38d>] schedule+0x1ed/0x850


> So I guess, 'cpu' value is slightly, well, out of reality. Check the
> address of "runqueues" in your kernel image...
> I guess, it should be quite close to the "fault" address... then we
> can even calculate 'cpu' :-)

Yup, that's right.

$ nm vmlinux | grep runqueues
c0803f00 d per_cpu__runqueues


"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036
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