Date: Sun, 17 Dec 2017 10:26:12 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 224292] processes are hanging in state ufs / possible deadlock in file system Message-ID: <bug-224292-3630-iRez2NzcKX@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-224292-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-224292-3630@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224292 --- Comment #9 from Wolfram Schneider <wosch@FreeBSD.org> --- Right after boot I see this messages lock order reversal: 1st 0xfffffe0000cbf2c0 bufwait (bufwait) @ /home/projects/freebsd/sys/kern/vfs_bio.c:3564 2nd 0xfffff8001c445800 dirhash (dirhash) @ /home/projects/freebsd/sys/ufs/ufs/ufs_dirhash.c:289 stack backtrace: #0 0xffffffff80ac5a23 at witness_debugger+0x73 #1 0xffffffff80ac58a2 at witness_checkorder+0xe02 #2 0xffffffff80a6a5f8 at _sx_xlock+0x68 #3 0xffffffff80d6056d at ufsdirhash_add+0x3d #4 0xffffffff80d633f9 at ufs_direnter+0x459 #5 0xffffffff80d6b7a7 at ufs_mkdir+0x8d7 #6 0xffffffff8108a889 at VOP_MKDIR_APV+0xd9 #7 0xffffffff80b3ddc2 at kern_mkdirat+0x1e2 #8 0xffffffff80f0dd0b at amd64_syscall+0x79b #9 0xffffffff80eec33b at Xfast_syscall+0xfb and hours later: lock order reversal: 1st 0xfffff80017613068 ufs (ufs) @ /home/projects/freebsd/sys/kern/vfs_subr.c:2608 2nd 0xfffffe0000f01100 bufwait (bufwait) @ /home/projects/freebsd/sys/ufs/ffs/ffs_vnops.c:282 3rd 0xfffff8001c9985f0 ufs (ufs) @ /home/projects/freebsd/sys/kern/vfs_subr.c:2608 stack backtrace: #0 0xffffffff80ac5a23 at witness_debugger+0x73 #1 0xffffffff80ac58a2 at witness_checkorder+0xe02 #2 0xffffffff80a37f63 at __lockmgr_args+0x883 #3 0xffffffff80d5b295 at ffs_lock+0xa5 #4 0xffffffff8108b309 at VOP_LOCK1_APV+0xd9 #5 0xffffffff80b40c86 at _vn_lock+0x66 #6 0xffffffff80b2f6f2 at vget+0x82 #7 0xffffffff80b21651 at vfs_hash_get+0xd1 #8 0xffffffff80d56f5f at ffs_vgetf+0x3f #9 0xffffffff80d4ce3f at softdep_sync_buf+0x54f #10 0xffffffff80d5c0f4 at ffs_syncvnode+0x324 #11 0xffffffff80d4c0d8 at softdep_fsync+0x4c8 #12 0xffffffff80d5b16c at ffs_fsync+0x7c #13 0xffffffff8108a279 at VOP_FSYNC_APV+0xd9 #14 0xffffffff80b3d5d6 at kern_fsync+0x1b6 #15 0xffffffff80f0dd0b at amd64_syscall+0x79b #16 0xffffffff80eec33b at Xfast_syscall+0xfb --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-224292-3630-iRez2NzcKX>