br...@nmsu.edu (Brook Milligan) writes:

># ps -lp 4904
>UID  PID PPID  CPU PRI NI  VSZ  RSS WCHAN  STAT TTY    TIME COMMAND
>  0 4904    1 1968 127  0 9924 1160 tstile D    ?   0:00.00 disklabel sd0 

>What exactly does the 'tstile' mean?

It means, that the process is waiting for a mutex. There is no information on
what mutex it is waiting on, probably something related to a disk driver.

You can use the 'crash' utility or the DDB kernel debugger to get a
backtrace. This shows where the process is waiting, which is a good
hint on what it is waiting for.


>What can be done (short of a power reset) to unwedge this machine?

Probably nothing.

-- 
-- 
                                Michael van Elst
Internet: mlel...@serpens.de
                                "A potential Snark may lurk in every tree."

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