Re: linux-2.4.3-ac14 spinlock problem?

From: Feng Xian (fxian@fxian.jukie.net)
Date: Wed May 30 2001 - 06:14:27 EST


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
   _o)     .~.      (o_
   /\\     /V\      //\
  _\_V    // \\     V_/_
         /(   )\
          ^^-^^
           ALEX

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:45 EST