Date: Mon, 1 Jun 2009 00:14:22 GMT From: Randy Bush <randy@psg.com> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/135124: lor vfs_bio/ufs_dirhash Message-ID: <200906010014.n510EMwp065193@www.freebsd.org> Resent-Message-ID: <200906010020.n510K1Be076435@freefall.freebsd.org>
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>Number: 135124 >Category: amd64 >Synopsis: lor vfs_bio/ufs_dirhash >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jun 01 00:20:00 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Randy Bush >Release: 8-CURRENT Sun May 31 22:52:41 UTC 2009 >Organization: Internet Initiative Japan >Environment: FreeBSD work0.psg.com 8.0-CURRENT FreeBSD 8.0-CURRENT #3: Sun May 31 22:52:41 UTC 2009 root@work0.psg.com:/usr/obj/usr/src/sys/WORK0 amd64 >Description: lock order reversal: 1st 0xffffff8052aba050 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2556 2nd 0xffffff0004f53000 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:275 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x81e _sx_xlock() at _sx_xlock+0x55 ufsdirhash_acquire() at ufsdirhash_acquire+0x33 ufsdirhash_add() at ufsdirhash_add+0x19 ufs_direnter() at ufs_direnter+0x88b ufs_makeinode() at ufs_makeinode+0x31c VOP_CREATE_APV() at VOP_CREATE_APV+0xb1 vn_open_cred() at vn_open_cred+0x3fd kern_openat() at kern_openat+0x159 syscall() at syscall+0x1dd Xfast_syscall() at Xfast_syscall+0xd0 --- syscall (5, FreeBSD ELF64, open), rip = 0x800c0bfcc, rsp = 0x7fffffffe6f8, rbp = 0x7fffffffe860 --- i think this may be different than 261 <http://sources.zabbadoz.net/freebsd/lor/261.html>; >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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