Date: Fri, 21 Sep 2007 22:44:19 +0400 From: Boris Samorodov <bsam@ipt.ru> To: freebsd-current@FreeBSD.org Subject: duplicate lock of same type: "vnode interlock" Message-ID: <96913676@srv.sem.ipt.ru>
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Hi! Today at: # uname -a FreeBSD test.ipt.ru 7.0-CURRENT FreeBSD 7.0-CURRENT #3: Fri Sep 21 18:36:28 MSD 2007 bsam@test.ipt.ru:/usr/obj/usr/src/sys/TEST amd64 I've got: ----- Mounting local file systems:acquiring duplicate lock of same type: "vnode interlock" 1st vnode interlock @ /usr/src/sys/kern/vfs_vnops.c:807 2nd vnode interlock @ /usr/src/sys/kern/vfs_subr.c:2081 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a witness_checkorder() at witness_checkorder+0x5f8 _mtx_lock_flags() at _mtx_lock_flags+0x75 vrefcnt() at vrefcnt+0x31 null_checkvp() at null_checkvp+0x1d null_lock() at null_lock+0x5b VOP_LOCK1_APV() at VOP_LOCK1_APV+0x79 _vn_lock() at _vn_lock+0x94 nullfs_root() at nullfs_root+0x59 vfs_donmount() at vfs_donmount+0x1150 nmount() at nmount+0x97 syscall() at syscall+0x1f6 Xfast_syscall() at Xfast_syscall+0xab --- syscall (378, FreeBSD ELF64, nmount), rip = 0x80068465c, rsp = 0x7fffffffe518, rbp = 0x7fffffffe520 --- ----- Should I worry about it? The system boots and seems to we fine... WBR -- Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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