From owner-freebsd-current@FreeBSD.ORG Sun Jan 31 19:35:32 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0AAAB1065679 for ; Sun, 31 Jan 2010 19:35:32 +0000 (UTC) (envelope-from bsdlisten@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.158]) by mx1.freebsd.org (Postfix) with ESMTP id 93F6A8FC18 for ; Sun, 31 Jan 2010 19:35:31 +0000 (UTC) Received: by fg-out-1718.google.com with SMTP id 22so165724fge.13 for ; Sun, 31 Jan 2010 11:35:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:subject :message-id:x-mailer:mime-version:content-type :content-transfer-encoding; bh=227bVp7N9XnNN6LOQbPXAv3BMCIvtJUifRuyfkw7vT8=; b=OdO8XtztBf8VjZUqDfg04VU0TXadJRNPriBjxBY+tkssKWsAqvyaVJ+Tm4DUuCDviG tJ9k/CsMW8zI53D/z4o/9kEOyXaS2yyhoLNerGdOJ0MMdreye4KNn9+N5Ec+qwjnomcE RHrAEOvL5uRSWbNrnl9t8cH/Oz795TXlELqQw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:x-mailer:mime-version:content-type :content-transfer-encoding; b=xYCXqAo1i1nbR6Re86CGVrlvzFNDNYPnMvJ0UIrP3b5ep/i7gm5c9o6Sm4OPX0yHsB GHqqGJaPhEIwjBzbagPkzY6AnRcvVJh0iQRYq9Y82II5Zmo/RtAPu/srwuiPgnSa2r7t aaclojAA6ZrST9LF0VfHeyy9Tescbi3zZJjkQ= Received: by 10.87.69.26 with SMTP id w26mr6098336fgk.39.1264966530334; Sun, 31 Jan 2010 11:35:30 -0800 (PST) Received: from localhost-desk1.localdomain ([89.47.83.116]) by mx.google.com with ESMTPS id 3sm7987977fge.26.2010.01.31.11.35.28 (version=SSLv3 cipher=RC4-MD5); Sun, 31 Jan 2010 11:35:29 -0800 (PST) Date: Sun, 31 Jan 2010 21:36:30 +0200 From: Aioanei Rares To: freebsd-current@freebsd.org Message-Id: <20100131213630.854ff720.bsdlisten@gmail.com> X-Mailer: Sylpheed 3.0.0beta4 (GTK+ 2.18.3; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: kernel fault when doing some I/O X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Jan 2010 19:35:32 -0000 Hi everyone, I've been getting this several times but only now I could get a screenshot (it's a X-less VirtualBox host) The message I'm getting is the following : lock order reversal : 1st 0xffffff800a4c8698 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559 2nd 0xffffff0002b81000 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285 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_lock+0x55 ufsdirhash_acquire() at ufsdirhash_acquire+0x33 ufsdirhash_add() at ufsdirhash_add+0x19 ufs_direnter() at ufs_direnter+0x889 ufs_makeinode() at ufs_makeinode+0x38a VOP_CREATE_APV() at VOP_CREATE_APV+0x8d vn_open_cred() at vn_open_cred+0x473 kern_openat() at kern_openat+0x179 syscall() at syscall+0x1ae Xfast_syscall() at Xfast_syscall+0xe1 --- syscall (5, FreeBSD ELF64, open), rip = 0x800c1095c, rsp = 0x7fffff1f9b38, rbp = 0x800e0a900 --- I was doing an update of my src tree, if that matters. Hope this helps. :) -- Aioanei Rares