From owner-freebsd-gecko@freebsd.org Fri Jan 5 20:55:07 2018 Return-Path: Delivered-To: freebsd-gecko@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 7BB7AEC02DD for ; Fri, 5 Jan 2018 20:55:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 5EF477DFFD for ; Fri, 5 Jan 2018 20:55:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 590FFEC02DC; Fri, 5 Jan 2018 20:55:07 +0000 (UTC) Delivered-To: gecko@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 58AEDEC02DB for ; Fri, 5 Jan 2018 20:55:07 +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 444037DFFB for ; Fri, 5 Jan 2018 20:55:07 +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 w05Kt7oY031570 for ; Fri, 5 Jan 2018 20:55:07 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w05Kt7BV031569 for gecko@FreeBSD.org; Fri, 5 Jan 2018 20:55:07 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: gecko@FreeBSD.org Subject: [Bug 224917] www/firefox: bus error on stable/10 with 57.0.3,1 Date: Fri, 05 Jan 2018 20:55:07 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jilles@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: gecko@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? 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-gecko@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Gecko Rendering Engine issues List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jan 2018 20:55:07 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224917 --- Comment #2 from Jilles Tjoelker --- I rebuilt firefox-57.0.3,1 from a (slightly more recent) ports tree with SVN r457360 reverted. This seems to run stably for 20 minutes and the disassemb= ly of the corresponding part of libxul.so shows that clang 4.0 has used two regular mov instructions instead of SSE: ceac73: 75 9b jne ceac10 <_ZN7mozilla3ipc14MessageChannel5ClearEv+0x90> ceac75: 49 8b b6 10 01 00 00 mov 0x110(%r14),%rsi ceac7c: 48 8b 7d c8 mov -0x38(%rbp),%rdi ceac80: e8 9b bf 00 00 callq cf6c20 <_ZNSt3__16__treeINS_12__value_typeImN7mozilla3ipc14MessageChannel13Promise= HolderEEENS_19__map_value_compareImS6_NS_4lessImEELb1EEENS_9allocatorIS6_EE= E7destroyEPNS_11__tree_nodeIS6_PvEE> ceac85: 49 c7 86 18 01 00 00 movq $0x0,0x118(%r14) ceac8c: 00 00 00 00=20 ceac90: 4d 89 be 08 01 00 00 mov %r15,0x108(%r14) ceac97: 49 c7 86 10 01 00 00 movq $0x0,0x110(%r14) ceac9e: 00 00 00 00=20 ceaca2: 49 c7 46 38 00 00 00 movq $0x0,0x38(%r14) ceaca9: 00=20 ceacaa: 49 8b 7e 30 mov 0x30(%r14),%rdi ceacae: 48 85 ff test %rdi,%rdi ceacb1: 74 06 je ceacb9 <_ZN7mozilla3ipc14MessageChannel5ClearEv+0x139> --=20 You are receiving this mail because: You are the assignee for the bug.=