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 // saper_at_saper.info >>Received on Wed Feb 17 2010 - 22:50:13 UTC
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