Date: Tue, 21 Jul 2009 18:31:40 GMT From: Rene Ladan <rene@FreeBSD.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/136968: [lor] ufs/bufwait/ufs (open) Message-ID: <200907211831.n6LIVetZ045570@www.freebsd.org> Resent-Message-ID: <200907211840.n6LIe5Da014190@freefall.freebsd.org>
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>Number: 136968 >Category: kern >Synopsis: [lor] ufs/bufwait/ufs (open) >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 21 18:40:05 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Rene Ladan >Release: FreeBSD 8.0-BETA2 i386 >Organization: >Environment: FreeBSD ooti.teeselink.nl 8.0-BETA2 FreeBSD 8.0-BETA2 #0: Wed Jul 15 23:25:30 UTC 2009 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >Description: lock order reversal: 1st 0xc593537c ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:492 2nd 0xd86bf2f0 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:6170 3rd 0xc700a058 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2083 KDB: stack backtrace: db_trace_self_wrapper(c0c6baf4,e6ca72b0,c08bc995,c08ad6db,c0c6e9a2,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c08ad6db,c0c6e9a2,c452be90,c452f088,e6ca730c,...) at kdb_backtrace+0x29 _witness_debugger(c0c6e9a2,c700a058,c0c616dd,c452f088,c0c75c18,...) at _witness_debugger+0x25 witness_checkorder(c700a058,9,c0c75c18,823,0,...) at witness_checkorder+0x839 __lockmgr_args(c700a058,80100,c700a074,0,0,...) at __lockmgr_args+0x7a7 ffs_lock(e6ca741c,c08bc73b,c0c7510b,80100,c700a000,...) at ffs_lock+0x8a VOP_LOCK1_APV(c0d6e7e0,e6ca741c,c4d27524,c0d87260,c700a000,...) at VOP_LOCK1_APV+0xb5 _vn_lock(c700a000,80100,c0c75c18,823,4,...) at _vn_lock+0x5e vget(c700a000,80100,c4d27480,50,0,...) at vget+0xb9 vfs_hash_get(c497578c,694c14,80000,c4d27480,e6ca7578,...) at vfs_hash_get+0xe6 ffs_vgetf(c497578c,694c14,80000,e6ca7578,1,...) at ffs_vgetf+0x49 softdep_sync_metadata(c5935324,0,c0c8f079,146,0,...) at softdep_sync_metadata+0x5ba ffs_syncvnode(c5935324,1,c0c670da,c0c60d5a,3,...) at ffs_syncvnode+0x3e2 ffs_truncate(c5935324,200,0,880,c55ea700,...) at ffs_truncate+0x66a ufs_direnter(c5935324,c63a653c,e6ca78d0,e6ca7bd0,0,...) at ufs_direnter+0x8f6 ufs_makeinode(e6ca7bd0,0,e6ca7abc,e6ca7a18,c0bb6745,...) at ufs_makeinode+0x508 ufs_create(e6ca7abc,e6ca7ad4,0,0,e6ca7ba4,...) at ufs_create+0x30 VOP_CREATE_APV(c0d6e7e0,e6ca7abc,e6ca7bd0,e6ca7a54,0,...) at VOP_CREATE_APV+0xa5 vn_open_cred(e6ca7ba4,e6ca7c5c,1a4,0,c55ea700,...) at vn_open_cred+0x215 vn_open(e6ca7ba4,e6ca7c5c,1a4,c4be5dc8,1ef,...) at vn_open+0x3b kern_openat(c4d27480,ffffff9c,28305970,0,602,...) at kern_openat+0x11f kern_open(c4d27480,28305970,0,601,1b6,...) at kern_open+0x35 open(c4d27480,e6ca7cf8,c,c4d27480,c0d4d44c,...) at open+0x30 syscall(e6ca7d38) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (5, FreeBSD ELF32, open), eip = 0x281d8833, esp = 0xbfbfdf3c, ebp = 0xbfbfdfd8 --- >How-To-Repeat: GENERIC kernel, only devfs and ufs2 filesystems mounted via /dev/ufsid/* >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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