From owner-freebsd-bugs@FreeBSD.ORG Fri Oct 3 08:21:31 2014 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id ACB3DCFD for ; Fri, 3 Oct 2014 08:21:31 +0000 (UTC) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7B40B8A5 for ; Fri, 3 Oct 2014 08:21:31 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id s938LVgu041632 for ; Fri, 3 Oct 2014 08:21:31 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 194109] New: [lor] if_lagg rmlock <-> if_addr_lock Date: Fri, 03 Oct 2014 08:21:31 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dumbbell@FreeBSD.org X-Bugzilla-Status: Needs Triage X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Oct 2014 08:21:31 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194109 Bug ID: 194109 Summary: [lor] if_lagg rmlock <-> if_addr_lock Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: Needs Triage Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: dumbbell@FreeBSD.org The following LOR appeared between r272024 and r272450: Oct 3 10:11:38 magellan kernel: lock order reversal: Oct 3 10:11:38 magellan kernel: 1st 0xfffff80006c92008 if_lagg rmlock (if_lagg rmlock) @ /mnt/home/dumbbell/Projects/freebsd/src/SVN/head/sys/modules/if_lagg/../../net/if_lagg.c:1395 Oct 3 10:11:38 magellan kernel: 2nd 0xfffff80029f77990 if_addr_lock (if_addr_lock) @ /mnt/home/dumbbell/Projects/freebsd/src/SVN/head/sys/modules/if_lagg/../../net/if_lagg.c:1499 Oct 3 10:11:38 magellan kernel: KDB: stack backtrace: Oct 3 10:11:38 magellan kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe012185e650 Oct 3 10:11:38 magellan kernel: kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe012185e700 Oct 3 10:11:38 magellan kernel: witness_checkorder() at witness_checkorder+0xdc2/frame 0xfffffe012185e790 Oct 3 10:11:38 magellan kernel: _rw_wlock_cookie() at _rw_wlock_cookie+0x71/frame 0xfffffe012185e7d0 Oct 3 10:11:38 magellan kernel: lagg_ether_cmdmulti() at lagg_ether_cmdmulti+0x5c/frame 0xfffffe012185e810 Oct 3 10:11:38 magellan kernel: lagg_ioctl() at lagg_ioctl+0x114c/frame 0xfffffe012185e8f0 Oct 3 10:11:38 magellan kernel: in_control() at in_control+0x30b/frame 0xfffffe012185e970 Oct 3 10:11:38 magellan kernel: ifioctl() at ifioctl+0xba8/frame 0xfffffe012185ea30 Oct 3 10:11:38 magellan kernel: kern_ioctl() at kern_ioctl+0x22b/frame 0xfffffe012185ea90 Oct 3 10:11:38 magellan kernel: sys_ioctl() at sys_ioctl+0x13c/frame 0xfffffe012185eae0 Oct 3 10:11:38 magellan kernel: amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe012185ebf0 Oct 3 10:11:38 magellan kernel: Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe012185ebf0 Oct 3 10:11:38 magellan kernel: --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011df81a, rsp = 0x7fffffffe3e8, rbp = 0x7fffffffe460 --- -- You are receiving this mail because: You are the assignee for the bug.