From owner-freebsd-bugs@freebsd.org Thu Oct 24 01:50:55 2019 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 488A5162CE0 for ; Thu, 24 Oct 2019 01:50:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46z9FC15fvz3QHp for ; Thu, 24 Oct 2019 01:50:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 25888162CDD; Thu, 24 Oct 2019 01:50:55 +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 2536B162CDC for ; Thu, 24 Oct 2019 01:50:55 +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) server-signature RSA-PSS (4096 bits) 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 46z9FB75M7z3QHl for ; Thu, 24 Oct 2019 01:50:54 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D089B5BE3 for ; Thu, 24 Oct 2019 01:50:54 +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 x9O1osF7046930 for ; Thu, 24 Oct 2019 01:50:54 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x9O1oshW046929 for bugs@FreeBSD.org; Thu, 24 Oct 2019 01:50:54 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 241417] panic: Fatal trap 1: privileged instruction fault while in kernel mode Date: Thu, 24 Oct 2019 01:50:54 +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: 12.0-RELEASE X-Bugzilla-Keywords: panic X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: nicholas.h.briggs@gmail.com 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: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Oct 2019 01:50:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D241417 --- Comment #2 from Nick Briggs --- This is the code sequence it was executing: 0x00a0c87c <+748>: mov %eax,%edx 0x00a0c87e <+750>: in (%dx),%al 0x00a0c87f <+751>: mov -0x14(%ebp),%ebx 0x00a0c882 <+754>: cmpb $0x0,0x30(%edi,%ebx,4) 0x00a0c887 <+759>: je 0xa0c897 0x00a0c889 <+761>: mov 0x34(%edi,%ebx,4),%eax 0x00a0c88d <+765>: mov %eax,(%esp) 0x00a0c890 <+768>: call 0x16aa370 0x00a0c895 <+773>: jmp 0xa0c89c 0x00a0c897 <+775>: call 0x16aa360 0x00a0c89c <+780>: lea 0x30(%edi,%ebx,4),%eax 0x00a0c8a0 <+784>: mov %eax,-0x10(%ebp) 0x00a0c8a3 <+787>: call *0x1d2af74 Are you (Andriy) sure that you're interpreting the stack trace correctly? I see exactly the same location in the stack trace in, for example, bug #227654, comment #4 --=20 You are receiving this mail because: You are the assignee for the bug.=