Date: Tue, 18 Feb 2014 20:34:36 +0100 From: Oliver Pinter <oliver.pntr@gmail.com> To: stable@freebsd.org Cc: bzeeb+freebsd+lor@zabbadoz.net, hunger@hunger.hu Subject: LOR: --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x804b3dfba, rsp = 0x7fffffff3428, rbp = 0x7fffffff3510 --- Message-ID: <CAPjTQNFLjBuJ27WVGRaPAAYH2dj4fqWE38bs8fnt3A7=o_ejqw@mail.gmail.com>
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FreeBSD pandora-d 10.0-STABLE FreeBSD 10.0-STABLE #0 0c38d4b(stable/10): Tue Feb 18 19:13:35 CET 2014 root@pandora-d:/usr/obj/usr/src/sys/OP-DEBUG amd64 lock order reversal: 1st 0xfffff8001c0c6b78 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2101 2nd 0xfffffe01ed8452c8 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:262 3rd 0xfffff8001c0c6418 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2101 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0237823c50 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0237823d00 witness_checkorder() at witness_checkorder+0xd23/frame 0xfffffe0237823d90 __lockmgr_args() at __lockmgr_args+0x86c/frame 0xfffffe0237823ec0 ffs_lock() at ffs_lock+0x84/frame 0xfffffe0237823f10 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd2/frame 0xfffffe0237823f40 _vn_lock() at _vn_lock+0xab/frame 0xfffffe0237823fb0 vget() at vget+0x70/frame 0xfffffe0237824000 vfs_hash_get() at vfs_hash_get+0xf5/frame 0xfffffe0237824050 ffs_vgetf() at ffs_vgetf+0x45/frame 0xfffffe02378240f0 softdep_sync_buf() at softdep_sync_buf+0xa8c/frame 0xfffffe02378241d0 ffs_syncvnode() at ffs_syncvnode+0x258/frame 0xfffffe0237824250 ffs_truncate() at ffs_truncate+0x601/frame 0xfffffe0237824430 ufs_direnter() at ufs_direnter+0x891/frame 0xfffffe02378244f0 ufs_makeinode() at ufs_makeinode+0x573/frame 0xfffffe02378246b0 VOP_CREATE_APV() at VOP_CREATE_APV+0xc4/frame 0xfffffe02378246e0 vn_open_cred() at vn_open_cred+0x300/frame 0xfffffe0237824830 kern_openat() at kern_openat+0x25d/frame 0xfffffe02378249a0 amd64_syscall() at amd64_syscall+0x239/frame 0xfffffe0237824ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0237824ab0 --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x804b3dfba, rsp = 0x7fffffff3428, rbp = 0x7fffffff3510 ---
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