Re: linux-2.4.3-ac14 spinlock problem?

[Feng Xian]

David,

Actually it happened only once. then I upgrade my kernel to 2.4.5. problem
disappeared. I just hope this maybe a known problem.

Thanks.

Alex

On Wed, 30 May 2001, David Howells wrote:

>
> > I was running something on my Dell dual p3 box (optiplex gx300). my kernel
> > is linux-2.4.3-ac14. I got the following message:
>
> How often did this message occur?
>
> > __rwsem_do_wake(): wait_list unexpectedly empty
> > [4191] c5966f60 = { 00000001 })
> > kenel BUG at rwsem.c:99!
> > invalid operand: 0000
> > CPU:            1
> > EIP:            0010:[<c0236b99>]
> > EFLAGS: 00010282
> > kenel BUG at /usr/src/2.4.3-ac14/include/asm/spinlock.h:104!
> >
> >
> > I upgrade the kernel to 2.4.5, no such problem any more.
>
> I suspect something else corrupted the rw-semaphore structure, but that's very
> hard to prove unless you catch it in the act. If it happens again with any
> frequency, you might want to try turning on rwsem debugging.
>
> David
>

-- 
        Feng Xian
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           ALEX