Date: Thu, 10 Sep 2015 19:56:17 -0700 From: Bryan Drewery <bdrewery@FreeBSD.org> To: freebsd-fs@freebsd.org Subject: ZFS LOR Message-ID: <55F242D1.1030408@FreeBSD.org>
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On r287335. > lock order reversal: > 1st 0xfffff80866d28068 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1224 > 2nd 0xfffff806a3abca28 zfs_gfs (zfs_gfs) @ /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/gfs.c:494 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe35557173c0 > witness_checkorder() at witness_checkorder+0xedc/frame 0xfffffe3555717440 > __lockmgr_args() at __lockmgr_args+0xad0/frame 0xfffffe3555717580 > vop_stdlock() at vop_stdlock+0x3c/frame 0xfffffe35557175a0 > VOP_LOCK1_APV() at VOP_LOCK1_APV+0x101/frame 0xfffffe35557175d0 > _vn_lock() at _vn_lock+0xc2/frame 0xfffffe3555717640 > gfs_file_create() at gfs_file_create+0x73/frame 0xfffffe3555717680 > gfs_dir_create() at gfs_dir_create+0x1d/frame 0xfffffe35557176c0 > zfsctl_mknode_snapdir() at zfsctl_mknode_snapdir+0x47/frame 0xfffffe3555717720 > gfs_dir_lookup() at gfs_dir_lookup+0x191/frame 0xfffffe35557177c0 > gfs_vop_lookup() at gfs_vop_lookup+0x1d/frame 0xfffffe35557177e0 > zfsctl_root_lookup() at zfsctl_root_lookup+0xf5/frame 0xfffffe3555717870 > zfsctl_umount_snapshots() at zfsctl_umount_snapshots+0x80/frame 0xfffffe35557178f0 > zfs_umount() at zfs_umount+0x7b/frame 0xfffffe3555717930 > dounmount() at dounmount+0x533/frame 0xfffffe35557179b0 > sys_unmount() at sys_unmount+0x3c0/frame 0xfffffe3555717ae0 > amd64_syscall() at amd64_syscall+0x282/frame 0xfffffe3555717bf0 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe3555717bf0 > --- syscall (22, FreeBSD ELF64, sys_unmount), rip = 0x80193182a, rsp = 0x7fffffffb518, rbp = 0x7fffffffb570 --- -- Regards, Bryan Drewery
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