[Bug 219457] ZFS ARC eviction & system hangup

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219457

Fabian Keil <fk at fabiankeil.de> changed:

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                 CC|                            |fk at fabiankeil.de

--- Comment #6 from Fabian Keil <fk at fabiankeil.de> ---
The procstat output suggests that you might be using geli for the swap device.

This is known to cause deadlocks under memory pressure:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209759

You could reduce vfs.zfs.deadman_synctime_ms to more quickly get
a panic when the system becomes unresponsive.

It would probably help to see the counters in vm_cnt.

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