Date: Tue, 18 Nov 2008 19:03:17 -0600 From: Randy Bush <randy@psg.com> To: FreeBSD Current <current@freebsd.org> Subject: lor Message-ID: <492365D5.7000405@psg.com>
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install from 1108 snap lock order reversal: 1st 0xc356c044 user map (user map) @ /usr/src/sys/vm/vm_map.c:3115 2nd 0xc36f57ac ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2047 KDB: stack backtrace: db_trace_self_wrapper(c0bc6589,c3276910,c0839fb5,4,c0bc1dde,...) at db_trace_self_wrapper+0x26 kdb_backtrace(4,c0bc1dde,c351e728,c3522fe0,c327696c,...) at kdb_backtrace+0x29 _witness_debugger(c0bc9214,c36f57ac,c0bbd1e7,c3522fe0,c0bcffb0,...) at _witness_debugger+0x25 witness_checkorder(c36f57ac,1,c0bcffb0,7ff,0,...) at witness_checkorder+0x839 __lockmgr_args(c36f57ac,200501,c36f57c8,0,0,...) at __lockmgr_args+0x237 ffs_lock(c3276a78,c0bebcee,c0bbc8f8,200501,c36f5754,...) at ffs_lock+0x8a VOP_LOCK1_APV(c0cc3420,c3276a78,c0cdee20,c36f5754,200501,...) at VOP_LOCK1_APV+0xa5 _vn_lock(c36f5754,200501,c0bcffb0,7ff,4,...) at _vn_lock+0x5e vget(c36f5754,200501,c3568d20,4b4,0,...) at vget+0xc9 vnode_pager_lock(c187e934,0,c0be92b4,127,c3276c18,...) at vnode_pager_lock+0x1e0 vm_fault(c356c000,80db000,2,8,80db160,...) at vm_fault+0x1df trap_pfault(5,0,c0bf9107,2e7,c3566d0c,...) at trap_pfault+0x118 trap(c3276d38) at trap+0x289 calltrap() at calltrap+0x6 --- trap 0xc, eip = 0x80480e5, esp = 0xbfbfeef0, ebp = 0xbfbfef10 ---
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