Date: Sun, 12 Jul 2009 16:43:47 +0100 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: bzeeb+freebsd+lor@zabbadoz.net Cc: freebsd-ia64@freebsd.org Subject: LOR #240 Message-ID: <20090712154347.GA67867@mech-cluster238.men.bris.ac.uk>
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FreeBSD 8.0-BETA1 ia64 Looks like LOR #240, with different line numbers: lock order reversal: 1st 0xe000000011d82a30 snaplk (snaplk) @ /usr/src/sys/kern/vfs_vnops.c:296 2nd 0xe000000011d4f6b8 ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:1587 KDB: stack backtrace: db_trace_self(0xe000000004135d60) at db_trace_self+0x20 db_trace_self_wrapper(0xe00000000443add0) at db_trace_self_wrapper+0x70 kdb_backtrace(0xe0000000049da960, 0xe0000000044639d0) at kdb_backtrace+0xc0 _witness_debugger(0x1, 0xe000000004888610, 0xe000000004465270, 0x999, 0xe0000000048a9da8) at _witness_debugger+0x60 witness_checkorder(0xe000000011d4f6b8, 0x9, 0xffffffffffffffff, 0x633, 0x0) at witness_checkorder+0x12c0 __lockmgr_args(0xe000000011d4f6b8, 0x80000, 0x0, 0xe000000004876a38, 0x50, 0x33, 0xe0000000048a9da8, 0x633) at __lockmgr_args+0xe60 ffs_snapremove(0xe000000011d4f620, 0xe0000000048a9da8, 0xe000000004892880, 0xe000000011d4f6b8) at ffs_snapremove+0x200 softdep_releasefile(0xe000000011d3db90, 0xa000000032bcb2d0, 0x29f, 0xe000000004782080, 0x48e) at softdep_releasefile+0x90 ufs_inactive(0xe000000010b663b0, 0xe000000011d3db90, 0xe000000011d4f710) at ufs_inactive+0x400 VOP_INACTIVE_APV(0xe0000000049acdd0, 0xa000000032bcb2e0, 0xe000000004891318, 0xe0000000044fc820) at VOP_INACTIVE_APV+0x1c0 vinactive(0xe000000011d4f620, 0xe000000010b663b0, 0x800, 0xe000000011d4f6e0) at vinactive+0x110 vput(0xe000000011d4f620, 0xa000000032bcb308, 0xe000000004892880, 0xe000000011d4f6e0) at vput+0x3f0 vn_close(0xe000000011d4f620, 0x1, 0xe00000001035bc00, 0xe000000010b663b0) at vn_close+0x310 vn_closefile(0xe0000000107bba90, 0xe000000010b663b0, 0xe000000011d4f620) at vn_closefile+0x1e0 _fdrop(0xe0000000107bba90, 0xe000000010b663b0, 0xe00000000436eb60, 0xb9b) at _fdrop+0xb0 closef(0xe0000000107bba90, 0xe000000010b663b0, 0x0, 0xe00000000436f310) at closef+0x570 kern_close(0xe000000010b663b0, 0xe000000004878dd0) at kern_close+0x270 close(0xe000000010b663b0, 0xa000000032bcb4e8, 0xe0000000048283e0, 0x58f) at close+0x30 syscall(0xa000000032bcb400, 0x6, 0x0, 0xe000000010b663b0, 0xe000000010b4f568, 0xe0000000049825d0, 0x6, 0xa000000032bcb4e8) at syscall+0x3e0 epc_syscall_return() at epc_syscall_return -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 928 8233 Fax: +44 (0)117 929 4423
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