[issue1276] panic: assertion: volume->io.lock.refs == 0 in hammer_unload_volume

[Matthew Dillon]

:Using HEAD of yesterday, Feb 8, 2009,
:I got this panic at shutdown.
:
:Have seen same panic a few times using 2.0.1.
:
:Uploading crash dump to leaf as .28.
:
: -thomas

    Upload your hammer.ko module as well, I need it to debug the hammer
    part of the trace and related structures.

    I just fixed a ref count issue in master that *might* be the cause.
    I won't be able to rule it in our out until I look at the core.

						-Matt