My r203753 amd64 laptop falls into the deadlock situation
every night while running periodic daily script. I am pretty
certain this is related to ZFS.
I have enabled DEADLKRES in the kernel. I even have
a separate dump partition (not used for swap).
Indeed, the kernel deadlock detector gets triggered
during the periodic run, but I get I/O error when
calling doadump() from DDB.
Dumping works properly when DDB is invoked with keyboard
escape.
What's the best way to troubleshoot this deadlock?
Should I try to transcribe "alltrace" output?
--
<< Marcin Cieslak // sa...@saper.info >>
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