From owner-freebsd-bugs@freebsd.org Tue Feb 12 16:12:18 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 06A8514EB0FF for ; Tue, 12 Feb 2019 16:12:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 71B1D6BCE0 for ; Tue, 12 Feb 2019 16:12:17 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 2575714EB0FC; Tue, 12 Feb 2019 16:12:17 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EEC1C14EB0FB for ; Tue, 12 Feb 2019 16:12:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6FA7A6BCDA for ; Tue, 12 Feb 2019 16:12:16 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 8ECFA5CAC for ; Tue, 12 Feb 2019 16:12:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x1CGCFao075064 for ; Tue, 12 Feb 2019 16:12:15 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x1CGCFYT075063 for bugs@FreeBSD.org; Tue, 12 Feb 2019 16:12:15 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 235699] Kernel panics when setting IP address if net.link.ether.inet.garp_rexmit_count=2 Date: Tue, 12 Feb 2019 16:12:15 +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: 12.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: pete@twisted.org.uk X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: 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: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Feb 2019 16:12:18 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235699 Bug ID: 235699 Summary: Kernel panics when setting IP address if net.link.ether.inet.garp_rexmit_count=3D2 Product: Base System Version: 12.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: pete@twisted.org.uk If this is set then the kernel will panic a second or so after setting a network address on an interface. This applies to 12.0-RELEASE onwards. It w= oks fine on 11. Example and trace is below root@serpentine-passive:~ # ifconfig igb0 inet 10.32.10.4/16 up Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x28 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff80c987f1 stack pointer =3D 0x28:0xfffffe00004d5730 frame pointer =3D 0x28:0xfffffe00004d5750 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 (0)) trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1549981620 KDB: stack backtrace: #0 0xffffffff80bdfdc7 at kdb_backtrace+0x67 #1 0xffffffff80b93fa3 at vpanic+0x1a3 #2 0xffffffff80b93df3 at panic+0x43 #3 0xffffffff8106a7bf at trap_fatal+0x35f #4 0xffffffff8106a819 at trap_pfault+0x49 #5 0xffffffff81069e3e at trap+0x29e #6 0xffffffff810450c5 at calltrap+0x8 #7 0xffffffff80c986f6 at ether_output+0x6b6 #8 0xffffffff80d03354 at arprequest+0x4c4 #9 0xffffffff80d0515c at garp_rexmit+0xbc #10 0xffffffff80bade19 at softclock_call_cc+0x129 #11 0xffffffff80bae2f9 at softclock+0x79 #12 0xffffffff80b57c57 at ithread_loop+0x1a7 #13 0xffffffff80b54da2 at fork_exit+0x82 #14 0xffffffff810460be at fork_trampoline+0xe Uptime: 2m6s --=20 You are receiving this mail because: You are the assignee for the bug.=