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From: Vladimir Grebenschikov <vova@fbsd.ru>
To: Jeff Roberson <jroberson@jroberson.net>
In-Reply-To: <alpine.BSF.2.00.1004291832080.1398@desktop>
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Date: Sun, 02 May 2010 10:10:05 +0400
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Sender: Vladimir Grebenschikov <vova@parallels.com>
Cc: current@freebsd.org
Subject: Re: SUJ update - new panic - "ffs_copyonwrite: recursive call"
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Hi=20

While 'make buildworld'

kgdb /boot/kernel/kernel /var/crash/vmcore.13=20
GNU gdb 6.1.1 [FreeBSD]
...
#0  0xc056b93c in doadump ()
(kgdb) bt
#0  0xc056b93c in doadump ()
#1  0xc0489019 in db_fncall ()
#2  0xc0489411 in db_command ()
#3  0xc048956a in db_command_loop ()
#4  0xc048b3ed in db_trap ()
#5  0xc05985a4 in kdb_trap ()
#6  0xc06f8b5e in trap ()
#7  0xc06dd6eb in calltrap ()
#8  0xc059870a in kdb_enter ()
#9  0xc056c1d1 in panic ()
#10 0xc066d602 in ffs_copyonwrite ()
#11 0xc068742a in ffs_geom_strategy ()
#12 0xc05d8955 in bufwrite ()
#13 0xc0686e64 in ffs_bufwrite ()
#14 0xc067a8a2 in softdep_sync_metadata ()
#15 0xc068c568 in ffs_syncvnode ()
#16 0xc0681425 in softdep_prealloc ()
#17 0xc066592a in ffs_balloc_ufs2 ()
#18 0xc066a252 in ffs_snapblkfree ()
#19 0xc065eb9a in ffs_blkfree ()
#20 0xc0673de0 in freework_freeblock ()
#21 0xc06797c7 in handle_workitem_freeblocks ()
#22 0xc0679aaf in process_worklist_item ()
#23 0xc06821f4 in softdep_process_worklist ()
#24 0xc0682940 in softdep_flush ()
#25 0xc0542a00 in fork_exit ()
#26 0xc06dd760 in fork_trampoline ()
(kgdb) x/s panicstr
0xc07c2b80:	 "ffs_copyonwrite: recursive call"
(kgdb)=20



--=20
Vladimir B. Grebenschikov
vova@fbsd.ru