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Re: Xen hangs (NetBSD 7.0.1, amd64, Xen 4.5.3)

On 17/10/16 18:43, Manuel Bouyer wrote:
> this means that they're all stuck on a lock.
> The first thing would be to use ddb (or crash(8), if this works on Xen)
> to find where in the kernel these processes are stuck.
> The next step would be to which which process is actaully holding the lock
> (this one is probably not in tstile state)

Thanks, Manuel... looks like crash(8) works, I'll check that out next
time it happens! Does the lock show as the "wait channel" as shown by
ps/w? How do I find what process currently holds it? And then I guess I
do a "trace/t" on the pids involved to see what's what? I'm a little
green with ddb.

Alaric Snell-Pym

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