From owner-freebsd-bugs@FreeBSD.ORG Wed Jul 13 20:04:08 2005 Return-Path: X-Original-To: freebsd-bugs@FreeBSD.org Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0B28B16A41C; Wed, 13 Jul 2005 20:04:08 +0000 (GMT) (envelope-from marcolz@stack.nl) Received: from mailhost.stack.nl (vaak.stack.nl [131.155.140.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id A567443D46; Wed, 13 Jul 2005 20:04:07 +0000 (GMT) (envelope-from marcolz@stack.nl) Received: from hammer.stack.nl (hammer.stack.nl [IPv6:2001:610:1108:5010::153]) by mailhost.stack.nl (Postfix) with ESMTP id 16651A30EA; Wed, 13 Jul 2005 22:04:06 +0200 (CEST) Received: by hammer.stack.nl (Postfix, from userid 333) id E986D6404; Wed, 13 Jul 2005 22:04:05 +0200 (CEST) Date: Wed, 13 Jul 2005 22:04:05 +0200 From: Marc Olzheim To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org Message-ID: <20050713200405.GA66432@stack.nl> References: <200507130926.j6D9QB6T001062@synth.ilse.net> <200507130930.j6D9UDHL028973@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200507130930.j6D9UDHL028973@freefall.freebsd.org> X-Operating-System: FreeBSD hammer.stack.nl 5.4-STABLE FreeBSD 5.4-STABLE X-URL: http://www.stack.nl/~marcolz/ User-Agent: Mutt/1.5.9i Cc: Marc Olzheim Subject: Re: kern/83375: Fatal trap 12 cloning a pty X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jul 2005 20:04:08 -0000 On Wed, Jul 13, 2005 at 09:30:13AM +0000, FreeBSD-gnats-submit@FreeBSD.org wrote: Here's the FreeBSD 5.4-STABLE trace: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x3b271cd8 fault code = supervisor read, page not present instruction pointer = 0x8:0xc0557bd0 stack pointer = 0x10:0xebd9a9ec frame pointer = 0x10:0xebd9a9f8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 8993 (screen) [thread pid 8993 tid 100342 ] Stopped at 0xc0557bd0 = ptsopen+0xb8: movl 0xc0701960 = linesw(,%eax,4),%eax db> tr Tracing pid 8993 tid 100342 td 0xc64cc300 ptsopen(c7e8ea00,3,2000,c64cc300,ebd9aa60) at 0xc0557bd0 = ptsopen+0xb8 spec_open(ebd9aa60,ebd9ab1c,c0581339,ebd9aa60,180) at 0xc04f292c = spec_open+0x28c spec_vnoperate(ebd9aa60) at 0xc04f269b = spec_vnoperate+0x13 vn_open_cred(ebd9abd4,ebd9acd4,0,c7d0d600,7) at 0xc0581339 = vn_open_cred+0x431 vn_open(ebd9abd4,ebd9acd4,0,7,c0724b20) at 0xc0580f06 = vn_open+0x1e kern_open(c64cc300,bfbfc910,0,3,0) at 0xc057b0b4 = kern_open+0xcc open(c64cc300,ebd9ad04,3,2a,282) at 0xc057afe4 = open+0x18 syscall(2f,281e002f,bfbf002f,6,bfbfc910) at 0xc06803eb = syscall+0x227 Xint0x80_syscall() at 0xc066fcef = Xint0x80_syscall+0x1f --- syscall (5, FreeBSD ELF32, open), eip = 0x2816c7bb, esp = 0xbfbfc8dc, ebp = 0xbfbfc938 --- db>