Known? lock order reversal 1st 0xc63b811c vnode interlock (vnode interlock) _at_ /mnt/perf/src/sys/ufs/ffs/ffs_snapshot.c:1893 2nd 0xc1039118 system map (system map) _at_ /mnt/perf/src/sys/vm/vm_map.c:2206 Stack backtrace: backtrace(0,ffffffff,c0708c10,c0709ac0,c0608320) at backtrace+0x12 witness_checkorder(c1039118,9,c05eed2c,89e) at witness_checkorder+0x593 _mtx_lock_flags(c1039118,0,c05eed2c,89e) at _mtx_lock_flags+0x68 _vm_map_lock(c10390b8,c05eed2c,89e) at _vm_map_lock+0x21 vm_map_remove(c10390b8,c6727000,c6729000,e72b29ec,c0572341) at vm_map_remove+0x1f kmem_free(c10390b8,c6727000,2000,e72b2a04,c05738b7) at kmem_free+0x25 page_free(c6727000,2000,22,c0616380,e72b2a28) at page_free+0x31 uma_large_free(c63d3f54) at uma_large_free+0x7b free(c6727000,c0616380,c66e1100,a,c636d000) at free+0xfc ffs_snapshot_unmount(c636d000) at ffs_snapshot_unmount+0xe7 ffs_flushfiles(c636d000,4,c666cbd0) at ffs_flushfiles+0x3b softdep_flushfiles(c636d000,4,c666cbd0,c636fb00,0) at softdep_flushfiles+0x1e ffs_mount(c636d000,c669a900,bfbfdf90,e72b2bf4,c666cbd0) at ffs_mount+0x1c7 vfs_domount(c666cbd0,c61c6c60,c669a900,10001,bfbfdf90) at vfs_domount+0x6e6 mount(c666cbd0,e72b2d14,4,0,202) at mount+0x6c syscall(2f,2f,2f,bfbfdf8c,2) at syscall+0x217 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (21), eip = 0x280c0f4f, esp = 0xbfbfdf6c, ebp = 0xbfbfe018 --- -- Pawel Jakub Dawidek http://www.FreeBSD.org pjd_at_FreeBSD.org http://garage.freebsd.pl FreeBSD committer Am I Evil? Yes, I Am!
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