From owner-freebsd-bugs@freebsd.org Wed May 20 14:43:18 2020 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id AC48B2DBCAF for ; Wed, 20 May 2020 14:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 49RwTy48Skz4J6h for ; Wed, 20 May 2020 14:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 8E72B2DBB5A; Wed, 20 May 2020 14:43:18 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8E3912DBC31 for ; Wed, 20 May 2020 14:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49RwTy3Jlfz4Hhx for ; Wed, 20 May 2020 14:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 6D1901D7FA for ; Wed, 20 May 2020 14:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 04KEhI4j079179 for ; Wed, 20 May 2020 14:43:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 04KEhILx079177 for bugs@FreeBSD.org; Wed, 20 May 2020 14:43:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 246280] ciss driver causes immediate system crash&reboot if external SAS cable unplugged Date: Wed, 20 May 2020 14:43:18 +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: 12.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: pen@lysator.liu.se X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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-bugs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 May 2020 14:43:18 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D246280 --- Comment #2 from Peter Eriksson --- It doesn't happen all the time, but I managed to provoke it finally by unplugging and the reconnecting it while having some I/O active: ciss0: *** Hot-plug drive inserted, Port=3D1E Box=3D2 Bay=3D3 SN=3D = 5PGTTP6C ciss0: *** Hot-plug drive inserted, Port=3D1E Box=3D2 Bay=3D2 SN=3D = 5PGU1RZC ciss0: *** Hot-plug drive inserted, Port=3D1E Box=3D2 Bay=3D1 SN=3D = 5PGTSWAC ciss0: *** Expander Link Up, Port=3D2E Box=3D1 Exp=3D1 Phy=3D44 Port on mod= ule=3D255 ciss0: *** Expander Link Up, Port=3D2E Box=3D1 Exp=3D1 Phy=3D45 Port on mod= ule=3D255 ciss0: *** Expander Link Up, Port=3D2E Box=3D1 Exp=3D1 Phy=3D46 Port on mod= ule=3D255 ciss0: *** Expander Link Up, Port=3D2E Box=3D1 Exp=3D1 Phy=3D47 Port on mod= ule=3D255 ciss0: *** Enclosure added, Port=3D2E, storage system 2 - 7CE952P09P ciss0: Unknown hotplug event 6 ciss0: *** Hot-plug drive inserted, Port=3D2E Box=3D2 Bay=3D35 SN=3D=20=20= =20=20=20=20=20=20=20=20=20 5PGLBRRE Fatal trap 18: integer divide fault while in kernel mode cpuid =3D 12; apic id =3D 14 instruction pointer =3D 0x20:0xffffffff805c692a stack pointer =3D 0x28:0xfffffe01fa4f1b60 frame pointer =3D 0x28:0xfffffe01fa4f1bb0 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 25 (ciss_notify0) trap number =3D 18 panic: integer divide fault cpuid =3D 12 time =3D 1589905482 KDB: stack backtrace: #0 0xffffffff80c1ce67 at kdb_backtrace+0x67 #1 0xffffffff80bcff4d at vpanic+0x19d #2 0xffffffff80bcfda3 at panic+0x43 #3 0xffffffff810aabbc at trap_fatal+0x39c #4 0xffffffff810aa00a at trap+0x6a #5 0xffffffff810832cc at calltrap+0x8 #6 0xffffffff80b901e3 at fork_exit+0x83 #7 0xffffffff8108431e at fork_trampoline+0xe I'm guessing this happens in sys/dev/ciss/ciss.c:ciss_notify_thread(): cr =3D ciss_dequeue_notify(sc); if (cr =3D=3D NULL) panic("cr null"); --=20 You are receiving this mail because: You are the assignee for the bug.=