From owner-freebsd-bugs Wed Aug 2 02:47:06 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.11/8.6.6) id CAA26309 for bugs-outgoing; Wed, 2 Aug 1995 02:47:06 -0700 Received: from ki1.chemie.fu-berlin.de (ki1.Chemie.FU-Berlin.DE [160.45.24.21]) by freefall.cdrom.com (8.6.11/8.6.6) with SMTP id CAA26272 for ; Wed, 2 Aug 1995 02:46:00 -0700 Received: by ki1.chemie.fu-berlin.de (Smail3.1.28.1) from julia.physik.fu-berlin.de (130.133.3.235) with smtp id ; Wed, 2 Aug 95 11:45 MEST Received: (from graichen@localhost) by julia.physik.fu-berlin.de (8.6.11/8.6.9) id LAA08964 for bugs@freebsd.org; Wed, 2 Aug 1995 11:44:51 +0200 From: Thomas Graichen Message-Id: <199508020944.LAA08964@julia.physik.fu-berlin.de> Subject: please ... To: bugs@freebsd.org Date: Wed, 2 Aug 1995 11:44:50 +0200 (MET DST) X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 4843 Sender: bugs-owner@freebsd.org Precedence: bulk ... can anybody look at our problem i posted a week before - here is the post again - the debug kernel and kernel crash dump can be found at: julia.physik.fu-berlin.de:/pub/freebsd/crash or in my homedir at freefall for all who have an account there ~graichen/crash it's all gzip'ed -9 - ok and here is the report again - it would be very nice if someone may take a look at the debugging stuff at the above places - many many thanks in advance - t ----------------------------------------------------------------------------- hello here is now some more detailed information about my xdm-nfs-kernel crashes - at first again the description (FreeBSD 2.0.5-RELEASE - but happend since the january snaps - and maybe before - but i started with FreeBSD here in january): * the system crashes then i log in (but not if root does this - it's home is not mounted via nfs) - it only happens sometimes - but if - it will happen at any i try to login after the system has rebooted after that panic - loging in as root and doing a "su - myusername" then logout and login as me works then * /var/log/messages says: julia /kernel: Fatal trap 12: page fault while in kernel mode julia /kernel: fault virtual address = 0x38 julia /kernel: fault code = supervisor read, page not present julia /kernel: instruction pointer = 0x8:0xf01274e2 julia /kernel: code segment = base 0x0, limit 0xfffff, type 0x1b julia /kernel: = DPL 0, pres 1, def32 1, gran 1 julia /kernel: processor eflags = interrupt enabled, resume, IOPL = 3 julia /kernel: current process = 180 (xdm) julia /kernel: interrupt mask = julia /kernel: panic: page fault julia /kernel: julia /kernel: syncing disks... 31 31 30 27 20 13 2 done julia /kernel: julia /kernel: dumping to dev 1, offset 98304 julia /kernel: dump 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 * nm /kernel says: f0123bb0 F vfs_syscalls.o f0127060 F vfs_vnops.o f0148820 F vm_fault.o * gdb -k kernel.0 vmcore.0 says: root@julia /var/crash # gdb -k kernel.0 vmcore.0 GDB is free software and you are welcome to distribute copies of it under certain conditions; type "show copying" to see the conditions. There is absolutely no warranty for GDB; type "show warranty" for details. GDB 4.13 (i386-unknown-freebsd), Copyright 1994 Free Software Foundation, Inc... IdlePTD 185000 current pcb at 17eba0 panic: page fault #0 boot (arghowto=256) at ../../i386/i386/machdep.c:870 870 dumppcb.pcb_ptd = rcr3(); (kgdb) where #0 boot (arghowto=256) at ../../i386/i386/machdep.c:870 #1 0xf010d413 in panic (fmt=0xf015af4c "page fault") at ../../kern/subr_prf.c:128 #2 0xf015b9fe in trap_fatal (frame=0xefbffdd0) at ../../i386/i386/trap.c:688 #3 0xf015b570 in trap_pfault (frame=0xefbffdd0, usermode=0) at ../../i386/i386/trap.c:610 #4 0xf015b237 in trap (frame={tf_es = 825098256, tf_ds = 806879248, tf_edi = -261435264, tf_esi = 0, tf_ebp = -272630112, tf_isp = -272630280, tf_ebx = 0, tf_edx = 2147483647, tf_ecx = -2147483648, tf_eax = 0, tf_trapno = 12, tf_err = -261488640, tf_eip = -267225886, tf_cs = 8, tf_eflags = 78470, tf_esp = 0, tf_ss = -272629868}) at ../../i386/i386/trap.c:290 #5 0xf0154981 in calltrap () #6 0xf01245e3 in open (p=0xf06ae600, uap=0xefbfff94, retval=0xefbfff8c) at ../../kern/vfs_syscalls.c:636 #7 0xf015bbe7 in syscall (frame={tf_es = -272695257, tf_ds = -272695257, tf_edi = -272643812, tf_esi = -272643812, tf_ebp = -272644964, tf_isp = -272629788, tf_ebx = 135798880, tf_edx = -1, tf_ecx = 98560, tf_eax = 5, * you may get kernel.0 and vmcore.0 together with my config-file JULIA and the 3 files i've changed from the standard 2.0.5-RELEASE source-tree (minor changes: kern_sysctrl.c - netscape uname-patch, if_ether.c - commented the logging of "arp info overwritten ..." out, lkm.h - the actual one from current which avoids the kernel crashes while loading a misc module, loading it again and unloading it) via ftp from (all compressed with gzip -9): julia.physik.fu-berlin.de:/pub/freebsd/crash * if you have any questions - please send me a mail - i'll try to give you any information you need - i really would like to fix this problem - because we depend on the fix thanks in advance - t _______________________________________________________||_____________________ __|| Perfection is reached, not when there is no __|| thomas graichen longer anything to add, but when there __|| freie universitaet berlin is no longer anything to take away __|| fachbereich physik __|| - Antoine de Saint-Exupery - __|| ___________________________||____email: graichen@omega.physik.fu-berlin.de____