From owner-freebsd-bugs@freebsd.org Sat Jan 28 19:36:31 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5B863CC6875 for ; Sat, 28 Jan 2017 19:36:31 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 407AD1845 for ; Sat, 28 Jan 2017 19:36:31 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v0SJaVfB018420 for ; Sat, 28 Jan 2017 19:36:31 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 216554] LACP integer divide fault Date: Sat, 28 Jan 2017 19:36:31 +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-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: slw@zxy.spb.ru X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org 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: quoted-printable 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: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Jan 2017 19:36:31 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216554 Bug ID: 216554 Summary: LACP integer divide fault Product: Base System Version: 11.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: slw@zxy.spb.ru Fatal trap 18: integer divide fault while in kernel mode cpuid =3D 3; apic id =3D 06 instruction pointer =3D 0x20:0xffffffff81453230 stack pointer =3D 0x28:0xfffffe3e56f46480 frame pointer =3D 0x28:0xfffffe3e56f464a0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 12 (swi4: clock (3)) trap number =3D 18 panic: integer divide fault cpuid =3D 3 KDB: stack backtrace: db_trace_self_wrapper() at 0xffffffff8032b3eb =3D db_trace_self_wrapper+0x2b/frame 0xfffffe3e56f460c0 vpanic() at 0xffffffff804e33a6 =3D vpanic+0x186/frame 0xfffffe3e56f46140 panic() at 0xffffffff804e3213 =3D panic+0x43/frame 0xfffffe3e56f461a0 trap_fatal() at 0xffffffff807b07c2 =3D trap_fatal+0x322/frame 0xfffffe3e56f= 461f0 trap() at 0xffffffff807b0475 =3D trap+0x6b5/frame 0xfffffe3e56f463b0 calltrap() at 0xffffffff807946b1 =3D calltrap+0x8/frame 0xfffffe3e56f463b0 --- trap 0x12, rip =3D 0xffffffff81453230, rsp =3D 0xfffffe3e56f46480, rbp = =3D 0xfffffe3e56f464a0 --- lacp_select_tx_port() at 0xffffffff81453230 =3D lacp_select_tx_port+0x70/fr= ame 0xfffffe3e56f464a0 lagg_lacp_start() at 0xffffffff814504ae =3D lagg_lacp_start+0xe/frame 0xfffffe3e56f464c0 lagg_transmit() at 0xffffffff8144e73f =3D lagg_transmit+0xbf/frame 0xfffffe3e56f46530 ether_output() at 0xffffffff805f30bc =3D ether_output+0x71c/frame 0xfffffe3e56f465d0 ip_output() at 0xffffffff80629935 =3D ip_output+0x1585/frame 0xfffffe3e56f4= 6720 tcp_output() at 0xffffffff806b9e16 =3D tcp_output+0x1876/frame 0xfffffe3e56= f468c0 tcp_timer_rexmt() at 0xffffffff806c572f =3D tcp_timer_rexmt+0x4df/frame 0xfffffe3e56f46900 softclock_call_cc() at 0xffffffff804fd1b6 =3D softclock_call_cc+0x156/frame 0xfffffe3e56f469b0 softclock() at 0xffffffff804fd754 =3D softclock+0x94/frame 0xfffffe3e56f469= e0 intr_event_execute_handlers() at 0xffffffff8049d15f =3D intr_event_execute_handlers+0x20f/frame 0xfffffe3e56f46a20 ithread_loop() at 0xffffffff8049d766 =3D ithread_loop+0xc6/frame 0xfffffe3e56f46a70 fork_exit() at 0xffffffff80499e25 =3D fork_exit+0x85/frame 0xfffffe3e56f46a= b0 fork_trampoline() at 0xffffffff80794bee =3D fork_trampoline+0xe/frame 0xfffffe3e56f46ab0 --- trap 0, rip =3D 0, rsp =3D 0, rbp =3D 0 --- (kgdb) info line *0xffffffff81453230 Line 848 of "/usr/src/sys/modules/if_lagg/../../net/ieee8023ad_lacp.c" star= ts at address 0xffffffff8145322e and ends at 0xffffffff81453233 . =3D=3D=3D Lacp configuration: cc0: flags=3D8843 metric 0 mtu 1500 =20=20=20=20=20=20=20 options=3Dec07bb ether 00:07:43:39:8c:00 nd6 options=3D9 media: Ethernet 40Gbase-SR4 status: active cc1: flags=3D8843 metric 0 mtu 1500 =20=20=20=20=20=20=20 options=3Dec07bb ether 00:07:43:39:8c:00 nd6 options=3D9 media: Ethernet 40Gbase-SR4 status: no carrier lagg0: flags=3D8843 metric 0 mtu 15= 00 =20=20=20=20=20=20=20 options=3Dec07bb ether 00:07:43:39:8c:00 inet 37.220.36.136 netmask 0xffffff00 broadcast 37.220.36.255=20 nd6 options=3D9 media: Ethernet autoselect status: active groups: lagg=20 laggproto lacp lagghash l2,l3,l4 laggport: cc0 flags=3D1c laggport: cc1 flags=3D0<> =3D=3D=3D=3D=3D=3D I mean last member of lagg0 gone between lines 838 and 848 (race condition = at access pm->pm_count). --=20 You are receiving this mail because: You are the assignee for the bug.=