Date: Mon, 1 Jun 2009 09:25:25 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: freebsd-gnats-submit@freebsd.org Subject: Re: amd64/135124: lor vfs_bio/ufs_dirhash Message-ID: <200906010925.25343.jhb@freebsd.org> In-Reply-To: <200906010014.n510EMwp065193@www.freebsd.org> References: <200906010014.n510EMwp065193@www.freebsd.org>
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On Sunday 31 May 2009 8:14:22 pm Randy Bush wrote: > > >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>; It is not, it is the same exact LOR. -- John Baldwin
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