Date: Tue, 30 Mar 2004 05:58:04 -0800 From: Randy Bush <randy@psg.com> To: Jun Kuriyama <kuriyama@imgsrc.co.jp> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: -current lock up at dump -L with snapshot Message-ID: <20040330135805.CFC6043D1D@mx1.FreeBSD.org>
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> I'm still tracking down why my box is usually locking up. > > Reference: http://docs.freebsd.org/cgi/mid.cgi?7mznedas57.wl > > I try to simplify how to reproduce this. > > (a) A filesystem without any snapshot, I can take a dump -L. on -current as of Mar 19 11:01 gmt (and many others) /sbin/rdump 0Luaf /dev/null /dev/twed0s1a /sbin/rdump 0Luaf /dev/null /dev/twed0s1d /sbin/rdump 0Luaf /dev/null /dev/twed0s1e /sbin/rdump 0Luaf /dev/null /dev/twed0s1f /sbin/rdump 0Luaf /dev/null /dev/twed0s1g /sbin/rdump 0Luaf /dev/null /dev/twed0s1h gets to # /do-dump DUMP: Date of this level 0 dump: Tue Mar 30 13:40:50 2004 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping snapshot of /dev/twed0s1a (/) to /dev/null DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 31488 tape blocks. DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: DUMP: 31903 tape blocks on 1 volume DUMP: finished in 3 seconds, throughput 10634 KBytes/sec DUMP: level 0 dump on Tue Mar 30 13:40:50 2004 DUMP: Closing /dev/null DUMP: DUMP IS DONE DUMP: Date of this level 0 dump: Tue Mar 30 13:40:54 2004 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping snapshot of /dev/twed0s1d (/var) to /dev/null DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 272031 tape blocks. DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] and hangs. it sure likes processes | | \-+= 47218 root /usr/local/bin/bash /do-dump | | \-+- 47228 root /sbin/rdump 0Luaf /dev/null /dev/twed0s1d (rdump) | | \-+- 47238 root rdump: /dev/twed0s1d: pass 4: 49.24% done, finished | | |--- 47239 root /sbin/rdump 0Luaf /dev/null /dev/twed0s1d (rdump) | | |--- 47240 root /sbin/rdump 0Luaf /dev/null /dev/twed0s1d (rdump) | | \--- 47241 root /sbin/rdump 0Luaf /dev/null /dev/twed0s1d (rdump) none are moving randy
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