Date: Fri, 29 Jan 2010 08:00:21 GMT From: "Andrei V. Lavreniyuk" <andy.lavr@reactor-xg.kiev.ua> To: freebsd-fs@FreeBSD.org Subject: Re: kern/142878: [zfs] [vfs] lock order reversal Message-ID: <201001290800.o0T80LUW037292@freefall.freebsd.org>
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The following reply was made to PR kern/142878; it has been noted by GNATS. From: "Andrei V. Lavreniyuk" <andy.lavr@reactor-xg.kiev.ua> To: bug-followup@FreeBSD.org, dmitry2006@yandex.ru Cc: Subject: Re: kern/142878: [zfs] [vfs] lock order reversal Date: Fri, 29 Jan 2010 09:56:53 +0200 FreeBSD opensolaris.technica-03.local 8.0-STABLE FreeBSD 8.0-STABLE #0: Fri Jan 29 06:12:47 UTC 2010 root@opensolaris.technica-03.local:/usr/obj/usr/src/sys/SMP64R amd64 lock order reversal: 1st 0xffffff00093727f8 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1058 2nd 0xffffff000933f7f8 devfs (devfs) @ /usr/src/sys/kern/vfs_subr.c:2091 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x80b __lockmgr_args() at __lockmgr_args+0xcdd vop_stdlock() at vop_stdlock+0x39 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xbf _vn_lock() at _vn_lock+0x47 vget() at vget+0x7b devfs_allocv() at devfs_allocv+0x100 devfs_root() at devfs_root+0x48 vfs_donmount() at vfs_donmount+0xfa1 nmount() at nmount+0x63 syscall() at syscall+0x1e6 Xfast_syscall() at Xfast_syscall+0xe1 --- syscall (378, FreeBSD ELF64, nmount), rip = 0x8007aa6bc, rsp = 0x7fffffffdd28, rbp = 0x800a06048 --- -- Best regards, Andrei V. Lavreniyuk.
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