From owner-freebsd-net@freebsd.org Mon Jul 3 06:09:21 2017 Return-Path: Delivered-To: freebsd-net@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 348F69DEF7C for ; Mon, 3 Jul 2017 06:09:21 +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 2333B83F30 for ; Mon, 3 Jul 2017 06:09:21 +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 v6369Kh4015879 for ; Mon, 3 Jul 2017 06:09:21 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 220358] panic in tcp_lro_flush_all Date: Mon, 03 Jul 2017 06:09:20 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: iz-rpi03@hs-karlsruhe.de X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jul 2017 06:09:21 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220358 --- Comment #11 from iz-rpi03@hs-karlsruhe.de --- I can add to this, that a 32-bit ARM (Raspberrr-PI) kernel r320571 panics immediately when a ssh connect is attempted. This behaviour is repeatable (3 panics out of 3 attempts). Just for the record: login: panic: Undefined instruction in kernel. time =3D 1499024534 KDB: stack backtrace: $a.6() at $a.6 pc =3D 0xc05fe050 lr =3D 0xc01577b0 (db_trace_self_wrapper+0x30) sp =3D 0xdc65a818 fp =3D 0xdc65a930 db_trace_self_wrapper() at db_trace_self_wrapper+0x30 pc =3D 0xc01577b0 lr =3D 0xc02f9130 (vpanic+0xc0) sp =3D 0xdc65a938 fp =3D 0xdc65a958 r4 =3D 0x00000100 r5 =3D 0xdc65a96c r6 =3D 0xc061b004 r7 =3D 0x00000001 vpanic() at vpanic+0xc0 pc =3D 0xc02f9130 lr =3D 0xc02f9070 (vpanic) sp =3D 0xdc65a960 fp =3D 0xdc65a964 r4 =3D 0x00000000 r5 =3D 0x00000000 r6 =3D 0x00000010 r7 =3D 0xffffff80 r8 =3D 0xdc65a9f0 r9 =3D 0x00000001 r10 =3D 0xc2caafdc vpanic() at vpanic pc =3D 0xc02f9070 lr =3D 0xc061afec ($d.14) sp =3D 0xdc65a96c fp =3D 0xdc65a9e8 r4 =3D 0xffffff80 r5 =3D 0xdc65a9f0 r6 =3D 0x00000001 r7 =3D 0xc2caafdc r8 =3D 0xdc65a964 r9 =3D 0xc02f9070 r10 =3D 0xdc65a96c $d.14() at $d.14 pc =3D 0xc061afec lr =3D 0xc0600b94 (exception_exit) sp =3D 0xdc65a9f0 fp =3D 0xdc65aa88 r4 =3D 0xa0000013 r5 =3D 0xc2caaa78 r6 =3D 0x00000010 r7 =3D 0xc2bd4700 r8 =3D 0xc2c51824 r9 =3D 0xc2caa430 r10 =3D 0x00000000 exception_exit() at exception_exit pc =3D 0xc0600b94 lr =3D 0xc0389544 (solisten_wakeup+0x28) sp =3D 0xdc65aa80 fp =3D 0xdc65aa88 r0 =3D 0xc2caaa78 r1 =3D 0x00000000 r2 =3D 0x00000001 r3 =3D 0xc2caaa90 r4 =3D 0x00000001 r5 =3D 0xc2caaa78 r6 =3D 0x00000010 r7 =3D 0xc2bd4700 r8 =3D 0xc2c51824 r9 =3D 0xc2caa430 r10 =3D 0x00000000 r12 =3D 0x00000000 _end() at 0xc2caafdc pc =3D 0xc2caafdc lr =3D 0xc0389544 (solisten_wakeup+0x28) sp =3D 0xdc65aa80 fp =3D 0xdc65aa88 KDB: enter: panic [ thread pid 13 tid 100033 ] Stopped at $d.12: ldrb r15, [r15, r15, ror r15]! db>=20 db> show proc=20=20=20 Process 13 (usb) at 0xc288a398: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xc0783548 ABI: null threads: 6 100031 D - 0xc291b02c [usbus0] 100032 D - 0xc291b05c [usbus0] 100033 Run CPU 0 [usbus0] 100034 D - 0xc291b0bc [usbus0] 100035 D - 0xc291b0ec [usbus0] 100069 D - 0xc2a9da28 [smsc0] db> show thread=20 Thread 100033 at 0xc2936000: proc (pid 13): 0xc288a398 name: usbus0 stack: 0xdc659000-0xdc65afff flags: 0x1000004 pflags: 0x200000 state: RUNNING (CPU 0) priority: 28 container lock: sched lock (0xc07713c4) last voluntary switch: 1 ms ago last involuntary switch: 0 ms ago db> --=20 You are receiving this mail because: You are the assignee for the bug.=