From owner-freebsd-current@FreeBSD.ORG Wed Dec 1 17:03:05 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D87FA16A4CE for ; Wed, 1 Dec 2004 17:03:05 +0000 (GMT) Received: from mail-gw0.york.ac.uk (mail-gw0.york.ac.uk [144.32.128.245]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2A29D43D31 for ; Wed, 1 Dec 2004 17:03:05 +0000 (GMT) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from buffy.york.ac.uk (buffy.york.ac.uk [144.32.226.160]) by mail-gw0.york.ac.uk (8.12.10/8.12.10) with ESMTP id iB1H31Pw020556 for ; Wed, 1 Dec 2004 17:03:01 GMT Received: from buffy.york.ac.uk (localhost [127.0.0.1]) by buffy.york.ac.uk (8.13.1/8.13.1) with ESMTP id iB1H316E085302 for ; Wed, 1 Dec 2004 17:03:01 GMT (envelope-from gavin.atkinson@ury.york.ac.uk) Received: (from ga9@localhost) by buffy.york.ac.uk (8.13.1/8.13.1/Submit) id iB1H31Qs085301 for freebsd-current@freebsd.org; Wed, 1 Dec 2004 17:03:01 GMT (envelope-from gavin.atkinson@ury.york.ac.uk) X-Authentication-Warning: buffy.york.ac.uk: ga9 set sender to gavin.atkinson@ury.york.ac.uk using -f From: Gavin Atkinson To: freebsd-current@freebsd.org Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1101920581.84212.50.camel@buffy.york.ac.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Wed, 01 Dec 2004 17:03:01 +0000 X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin.atkinson@ury.york.ac.uk Subject: tty-related panic on "init 0" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Dec 2004 17:03:06 -0000 Hey, Just got a tty-related panic when running "init 0" over a serial console on FreeBSD 6.0-CURRENT #2: Fri Nov 26 16:59:28 GMT 2004. I was unable to obtain a dump, but have a debug kernel available. Gavin foo# init 0 foo# Shutting down daemon processes:. Stopping cron. Shutting down local daemons:. Writing entropy file:. . Dec 1 16:39:47 Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 00 fault virtual address = 0x4 fault code = supervisor read, page not present instruction pointer = 0x8:0xc0639bd6 stack pointer = 0x10:0xecd10b58 frame pointer = 0x10:0xecd10b70 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 = 3483 (screen) [thread pid 3483 tid 100148 ] Stopped at ttymodem+0xee: movl 0x4(%eax),%edi db> tr Tracing pid 3483 tid 100148 td 0xc3b6fc00 ttymodem(c35da000) at ttymodem+0xee ptcclose(c44c5200,7,2000,c3b6fc00,c3b6fc00) at ptcclose+0x1a devfs_close(ecd10bc0,c08b78e0,c930c564,7,c4029a80) at devfs_close+0x1ba vn_close(c930c564,7,c4029a80,c3b6fc00,85a) at vn_close+0x5d vn_closefile(c5137a5c,c3b6fc00,c44c6c00,0,ecd10cc0) at vn_closefile+0x44 fdrop_locked(c5137a5c,c3b6fc00,c0870164,c3b6fc70,407) at fdrop_locked+0x79 closef(c5137a5c,c3b6fc00,0,ecd10d40,7) at closef+0x1e close(c3b6fc00,ecd10d14,1,23,246) at close+0x149 syscall(2f,2f,2f,80aa000,80aa000) at syscall+0x128 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (6, FreeBSD ELF32, close), eip = 0x2816766f, esp = 0xbfbfe06c, ebp = 0xbfbfe088 ---