Date: Tue, 04 Sep 2007 15:08:20 +0200 From: Kenneth Vestergaard Schmidt <kvs@pil.dk> To: freebsd-current@freebsd.org Subject: Unkillable and runaway processes Message-ID: <m1lkbmtw6z.fsf@binarysolutions.dk>
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Hello. Our ZFS testbed is experiencing some weird problems with rsync. We run a nightly backup of about 1.6 TB data (that's how much is stored, not how much is transferred), but after the initial sync I haven't been able to get the machine through one full cycle. After many hours of rsyncing data from 50+ machines, suddenly one rsync-process will hang, spinning on the CPU. It switches state between CPU0, CPU1, RUN and 'zfs:(&', but doesn't really do anything. It can't be killed, and you can't reboot the machine - it'll get past syncing disks, but won't shutdown or reboot. I can't do an 'ls' in the directory that rsync is running on - it'll just hang, too. The machine is running current from August 29th. I could use some pointers on what to do - is there some way I can debug this better, maybe give some better info? -- Kenneth Schmidt pil.dk
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