From owner-freebsd-bugs@FreeBSD.ORG Thu May 22 10:30:05 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E65F01065672 for ; Thu, 22 May 2008 10:30:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id BFB7B8FC12 for ; Thu, 22 May 2008 10:30:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m4MAU4eB075559 for ; Thu, 22 May 2008 10:30:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m4MAU42e075554; Thu, 22 May 2008 10:30:04 GMT (envelope-from gnats) Resent-Date: Thu, 22 May 2008 10:30:04 GMT Resent-Message-Id: <200805221030.m4MAU42e075554@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Phil Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 78CD9106566B for ; Thu, 22 May 2008 10:26:27 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 63E5F8FC1C for ; Thu, 22 May 2008 10:26:27 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m4MAP2ms096165 for ; Thu, 22 May 2008 10:25:02 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m4MAP2tf096164; Thu, 22 May 2008 10:25:02 GMT (envelope-from nobody) Message-Id: <200805221025.m4MAP2tf096164@www.freebsd.org> Date: Thu, 22 May 2008 10:25:02 GMT From: Phil To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: misc/123890: Crash & reboot on work with PPP low-speed connection 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: Thu, 22 May 2008 10:30:05 -0000 >Number: 123890 >Category: misc >Synopsis: Crash & reboot on work with PPP low-speed connection >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu May 22 10:30:04 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Phil >Release: FreeBSD 7.0 RELEASE >Organization: >Environment: FreeBSD x.y.ru 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Wed Apr 9 16:26:04 VOLST 2008 phil@x.y.ru:/usr/obj/usr/src/sys/P1 i386 >Description: I have gate with NAT to Internet, Squid-proxy, IPFW, Apache. At me low-speed the allocated modem connection to a network. The system is reloaded at the big number of references (simultaneous work of 10 users) to a network. Modem Courier 35.6 Debug on the crash. kgdb: Fatal trap 12: page fault while in kernel mode fault virtual address = 0x7 fault code = supervisor write, page not present instruction pointer = 0x20:0xc078d464 stack pointer = 0x28:0xcd04b9f8 frame pointer = 0x28:0xcd04ba08 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 = 865 (natd) trap number = 12 panic: page fault Uptime: 1h35m29s Physical memory: 243 MB Dumping 42 MB: 27 11 #0 doadump () at pcpu.h:195 195 pcpu.h: No such file or directory. in pcpu.h (kgdb) bt #0 doadump () at pcpu.h:195 #1 0xc0746e23 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 #2 0xc074701f in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:563 #3 0xc0a2808c in trap_fatal (frame=0xcd04b9b8, eva=7) at /usr/src/sys/i386/i386/trap.c:899 #4 0xc0a28310 in trap_pfault (frame=0xcd04b9b8, usermode=0, eva=7) at /usr/src/sys/i386/i386/trap.c:812 #5 0xc0a28c99 in trap (frame=0xcd04b9b8) at /usr/src/sys/i386/i386/trap.c:490 #6 0xc0a1665b in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc078d464 in putc (chr=146, clistp=0xc220bc38) at /usr/src/sys/kern/tty_subr.c:416 #8 0xc23cfb9e in ?? () #9 0x00000092 in ?? () #10 0xc220bc38 in ?? () #11 0xc220bc38 in ?? () #12 0x00000000 in ?? () #13 0xcd04ba48 in ?? () #14 0xc220bc38 in ?? () #15 0xc220bc38 in ?? () #16 0xcd04ba48 in ?? () #17 0x0000e96d in ?? () #18 0xc220bc00 in ?? () #19 0xc22ce300 in ?? () #20 0x00000000 in ?? () #21 0xcd04ba49 in ?? () #22 0xcd04ba4a in ?? () #23 0x007e1692 in ?? () #24 0x00000000 in ?? () #25 0xc22ce300 in ?? () #26 0xc21cb4f4 in ?? () #27 0xc236b000 in ?? () #28 0xcd04ba98 in ?? () #29 0xc23ce12a in ?? () #30 0xc236b000 in ?? () #31 0x00000000 in ?? () #32 0xc23d33a0 in ?? () #33 0x000003df in ?? () #34 0xc21cb508 in ?? () #35 0x00000034 in ?? () #36 0x00000021 in ?? () #37 0x000000ff in ?? () #38 0x00000003 in ?? () #39 0x00000000 in ?? () #40 0x00000001 in ?? () #41 0xc21cb400 in ?? () #42 0xc22ce380 in ?? () #43 0xcd04bb10 in ?? () #44 0xc08281c9 in ip_output (m=0xc236b000, opt=0x0, ro=0xc23d33a0, flags=Variable "flags" is not available. ) at /usr/src/sys/netinet/ip_output.c:549 Previous frame inner to this frame (corrupt stack?) (kgdb) bt full #0 doadump () at pcpu.h:195 No locals. #1 0xc0746e23 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409 _giantcnt = Variable "_giantcnt" is not available. >How-To-Repeat: 2 - 5 incident per day >Fix: >Release-Note: >Audit-Trail: >Unformatted: