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Re: recurring tstile hangs on -current (Thomas Klausner) writes:

>So it looks like it could be a very extreme slowness instead of a
>complete deadlock.

When it stops, try to reduce kern.maxvnodes to something low (like 100),
you can restore it, if the machine wakes up.

If this is a memory shortage instead of a deadlock, this will easily
free kernel memory. You may need to wait 1-2 minutes to let the
page daemon collect free pages.

If you cannot issue a sysctl command, you can patch the kernel variable
"desiredvnodes" with DDB instead.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

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