From owner-freebsd-bugs@FreeBSD.ORG Fri May 9 06:40:04 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 13292106564A for ; Fri, 9 May 2008 06:40:04 +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 0223F8FC16 for ; Fri, 9 May 2008 06:40:04 +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 m496e3dE020519 for ; Fri, 9 May 2008 06:40:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m496e3vj020518; Fri, 9 May 2008 06:40:03 GMT (envelope-from gnats) Date: Fri, 9 May 2008 06:40:03 GMT Message-Id: <200805090640.m496e3vj020518@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Kevin Downey Cc: Subject: Re: kern/121294: [panic] kernel panic pcpu.h or 0x00000000 in ?? () X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Kevin Downey List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 May 2008 06:40:04 -0000 The following reply was made to PR kern/121294; it has been noted by GNATS. From: Kevin Downey To: bug-followup@FreeBSD.org, kirill@niky.net.ua Cc: Subject: Re: kern/121294: [panic] kernel panic pcpu.h or 0x00000000 in ?? () Date: Thu, 08 May 2008 23:15:09 -0700 FreeBSD eskarina.nexus.lan 7.0-STABLE FreeBSD 7.0-STABLE #8: Thu May 8 01:04:43 PDT 2008 root@eskarina.nexus.lan:/usr/obj/usr/src/sys/ES i386 I am not sure if this is the same problem or if the crashdump resemblances are merely superficial. Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x4 fault code = supervisor read, page not present instruction pointer = 0x20:0xc05967eb stack pointer = 0x28:0xf6591aa4 frame pointer = 0x28:0xf6591adc 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 = 7079 (top) trap number = 12 panic: page fault cpuid = 1 Uptime: 5h10m6s Physical memory: 2013 MB Dumping 212 MB: 197 181 165 149 133 117 101 85 69 53 37 21 5 #0 doadump () at pcpu.h:195 195 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) where #0 doadump () at pcpu.h:195 #1 0xc054e308 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418 #2 0xc054e5db in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:572 #3 0xc06f4bb4 in trap_fatal (frame=0xf6591a64, eva=4) at /usr/src/sys/i386/i386/trap.c:899 #4 0xc06f4e04 in trap_pfault (frame=0xf6591a64, usermode=0, eva=4) at /usr/src/sys/i386/i386/trap.c:812 #5 0xc06f5736 in trap (frame=0xf6591a64) at /usr/src/sys/i386/i386/trap.c:490 #6 0xc06dd04b in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #7 0xc05967eb in b_to_q (src=0xf6591b29 "1\033[11;61H4.17\033[12;51H1 \033[12;58H4 14.70\033[13;22H51\033[13;44HCPU0 \033[13;58H1 13.09 \033[1�Zv�", amount=1, clistp=0xcfaa9c38) at /usr/src/sys/kern/tty_subr.c:104 #8 0xc0591997 in ttwrite (tp=0xcfaa9c00, uio=0xf6591c60, flag=0) at /usr/src/sys/kern/tty.c:2182 #9 0xc05956ff in ptswrite (dev=0xd11cb500, uio=0xf6591c60, flag=0) at linedisc.h:107 #10 0xc0519c85 in giant_write (dev=0xd11cb500, uio=0xf6591c60, ioflag=0) at /usr/src/sys/kern/kern_conf.c:437 #11 0xc04f5c03 in devfs_write_f (fp=0xd1236750, uio=0xf6591c60, cred=0xd023ed00, flags=0, td=0xd110eaa0) at /usr/src/sys/fs/devfs/devfs_vnops.c:1307 #12 0xc0581e15 in dofilewrite (td=0xd110eaa0, fd=1, fp=0xd1236750, auio=0xf6591c60, offset=-1, flags=0) at file.h:254 #13 0xc05820b1 in kern_writev (td=0xd110eaa0, fd=1, auio=0xf6591c60) at /usr/src/sys/kern/sys_generic.c:401 #14 0xc058211d in write (td=0xd110eaa0, uap=0xf6591cfc) at /usr/src/sys/kern/sys_generic.c:317 #15 0xc06f512c in syscall (frame=0xf6591d38) at /usr/src/sys/i386/i386/trap.c:1035 #16 0xc06dd0b0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:196 #17 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?)