On Fri, Feb 08, 2008 at 02:40:41PM +0000, Primeroz lists wrote:
>#7  0xffffffff802af5e3 in _sx_xlock (sx=0xffffffff802b02bd, file=0x4
><Address 0x4 out of bounds>, line=-2140937936)
>    at /usr/src/sys/kern/kern_sx.c:192
>192     }

Well, the file and line are nonsense.

>#17 0xffffffff802b845e in umtx_key_get (td=0xffffff007a69b440,
>umtx=0xffffffffba224a20, key=0x156a9)
>    at /usr/src/sys/kern/kern_umtx.c:312
>312             if (vm_map_lookup(&map, (vm_offset_t)umtx, VM_PROT_WRITE,

And there are some steps between these two calls that kgdb has not
decoded properly.  Next time you get a crash, can you please display
the backtrace in ddb and then use addr2line or similar to convert the
addresses into line numbers.  This will allow us to determine the correct
backtrace.

-- 
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.

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