Re: [issue833] cache_lock: blocked on 0xe29c3b08 ""

[David W <dpwalters@xxxxxxxxxxxxxxx>]

OK, after having dumped qemu as a debugging solution for SMP kernels, 
I have discovered vkernels. I am able to reproduce the bug in a vkernel
with options QUOTA and SMP (without annoying qemu bugs). After attaching
gdb to the vkernel I am unable to get a decent backtrace. GDB has trouble
accessing the memory and gives Device Busy errors. Anyway I thought this
information might be of some help. For what it's worth, I have a picture of the 
backtrace at http://woe.likewhoa.net/~david/vkernel_bt.jpg This is after the
vkernel gets hung up. (Note: I still use qemu, just not its smp functionality
as this picture is of qemu running DragonFly GENERIC and a vkernel inside
of that)

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