Date: 27 Dec 2008 22:07:12 +0100 From: "Arno J. Klaassen" <arno@heho.snv.jussieu.fr> To: current@freebsd.org, emulation@freebsd.org Subject: LORs on 8-current kernel with 7-stable world Message-ID: <wpy6y1qqdb.fsf@heho.snv.jussieu.fr>
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Hello, I get these when running a 8-current kernel with 7-stable world. I can'f access http://sources.zabbadoz.net/freebsd/lor.html to see if they are known. fyi, Arno #### lock order reversal: 1st 0xffffff0001305070 user map (user map) @ /raid1/bsd/src-current/sys/vm/vm_map.c:3115 2nd 0xffffff0001502270 ufs (ufs) @ /raid1/bsd/src-current/sys/kern/vfs_subr.c:2079 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x65 witness_checkorder() at witness_checkorder+0x859 __lockmgr_args() at __lockmgr_args+0xcb8 ffs_lock() at ffs_lock+0x8f VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b _vn_lock() at _vn_lock+0x57 vget() at vget+0x8b vnode_pager_lock() at vnode_pager_lock+0x1d0 vm_fault() at vm_fault+0x22a trap_pfault() at trap_pfault+0x127 trap() at trap+0x51c calltrap() at calltrap+0x8 --- trap 0xc, rip = 0x40014f, rsp = 0x7fffffffee70, rbp = 0x7fffffffee90 --- lock order reversal: 1st 0xffffff0001aa3098 pseudofs (pseudofs) @ /raid1/bsd/src-current/sys/kern/vfs_vnops.c:531 2nd 0xffffff00015027f8 ufs (ufs) @ /raid1/bsd/src-current/sys/kern/vfs_lookup.c:442 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x65 witness_checkorder() at witness_checkorder+0x859 __lockmgr_args() at __lockmgr_args+0xcb8 ffs_lock() at ffs_lock+0x8f VOP_LOCK1_APV() at VOP_LOCK1_APV+0x9b _vn_lock() at _vn_lock+0x57 lookup() at lookup+0x103 namei() at namei+0x52d linprocfs_domtab() at linprocfs_domtab+0x76 pfs_read() at pfs_read+0x53c vn_read() at vn_read+0x267 dofileread() at dofileread+0xa1 kern_readv() at kern_readv+0x60 read() at read+0x54 ia32_syscall() at ia32_syscall+0x1ab Xint0x80_syscall() at Xint0x80_syscall+0x60 --- syscall (3, Linux ELF32, read), rip = 0x28162cee, rsp = 0xffffdca8, rbp = 0xffffdcbc --- lock order reversal: 1st 0xfffffffe68494f20 bufwait (bufwait) @ /raid1/bsd/src-current/sys/kern/vfs_bio.c:2443 2nd 0xffffff0001c7d000 dirhash (dirhash) @ /raid1/bsd/src-current/sys/ufs/ufs/ufs_dirhash.c:263 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x65 witness_checkorder() at witness_checkorder+0x859 _sx_xlock() at _sx_xlock+0x55 ufsdirhash_acquire() at ufsdirhash_acquire+0x33 ufsdirhash_remove() at ufsdirhash_remove+0x16 ufs_dirremove() at ufs_dirremove+0x181 ufs_remove() at ufs_remove+0x92 VOP_REMOVE_APV() at VOP_REMOVE_APV+0x93 kern_unlinkat() at kern_unlinkat+0x249 linux_unlinkat() at linux_unlinkat+0xa6 ia32_syscall() at ia32_syscall+0x1ab Xint0x80_syscall() at Xint0x80_syscall+0x60 --- syscall (301, Linux ELF32, linux_unlinkat), rip = 0x28126968, rsp = 0xffffd4e8, rbp = 0xffffd508 ---
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