Crashing repeatedly: 6.2-RELEASE-p5 and MySQL 5.0.41

Peter Jeremy peterjeremy at
Fri Feb 8 21:37:30 UTC 2008

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

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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