Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 22 Dec 2000 01:23:33 -0800
From:      Alfred Perlstein <bright@wintelcom.net>
To:        stable@FreeBSD.org
Subject:   Re: kernel panics
Message-ID:  <20001222012333.G19572@fw.wintelcom.net>
In-Reply-To: <20001222105354.A11782@dnepr.net>; from land@dnepr.net on Fri, Dec 22, 2000 at 10:53:54AM %2B0200
References:  <20001213122916.A15772@dnepr.net> <20001213025122.C16205@fw.wintelcom.net> <20001222105354.A11782@dnepr.net>

next in thread | previous in thread | raw e-mail | index | archive | help
* Andrey Lakhno <land@dnepr.net> [001222 00:55] wrote:
> Hi Alfred!
> 
> On Wed, 13 Dec 2000, Alfred Perlstein wrote:
> 
> > * Andrey Lakhno <land@dnepr.net> [001213 02:31] wrote:
> > > Hi !
> > > 
> > > I have FreeBSD 4.x-STABLE box.
> > > Hardware configuration: motherboard Intel D815EEA (i815 chipset) with
> > > integrated Intel EtherExpress Pro/100+, CPU Celeron 500MHz, RAM 128Mb,
> > > HDD IDE Seagate Baracuda ST320420A.
> > > 
> > > It randomly crashes. Kernel panics with following diagnostics:
> > [snip]
> > 
> > Please see:
> > http://www.freebsd.org/handbook/kerneldebug.html
> 
> Ok. I'v built a kernel with debug turning on. While crashing the kernel created
> crash dumps which i tried to gdb.
> 
> Several files attached to this letter.
> debug.log - output from gdb
> 
> After removing SOFTUPDATES from kernel configuration system keeps crashing.
> dmesg.log - dmesg output
> kernel.conf - kernel configuration
> debug1.log - gdb output after removing SOFTUPDATES
> 
> -- 
> Best regards,
>  Andrey

> GNU gdb 4.18
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or 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.
> This GDB was configured as "i386-unknown-freebsd".
> (kgdb) symbol-file kernel.debug
> Reading symbols from kernel.debug...done.
> (kgdb) exec-file /var/crash/kernel.0
> (kgdb) core-file /var/crash/vmcore.0
> IdlePTD 2703360
> initial pcb at 21fbe0
> panicstr: page fault
> panic messages:
> ---
> Fatal trap 10: trace trap while in kernel mode
> instruction pointer	= 0x8:0xc01d2cd6
> stack pointer	        = 0x10:0xc020593c
> frame pointer	        = 0x10:0x0
> code segment		= base 0x0, limit 0xfffff, type 0x1b
> 			= DPL 0, pres 1, def32 1, gran 1
> processor eflags	= interrupt enabled, IOPL = 0
> current process		= Idle
> interrupt mask		= none
> trap number		= 10
> panic: trace trap
> 
> syncing disks... 
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address	= 0x30
> fault code		= supervisor read, page not present
> instruction pointer	= 0x8:0xc018a120
> stack pointer	        = 0x10:0xc0205790
> frame pointer	        = 0x10:0xc0205794
> 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		= Idle
> interrupt mask		= bio 
> trap number		= 12
> panic: page fault
> Uptime: 54m42s
> 
> dumping to dev #ad/0x20001, offset 794321
> dump ata0: resetting devices .. done
> 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 
> ---
> #0  dumpsys () at ../../kern/kern_shutdown.c:469
> 469		if (dumping++) {
> (kgdb) backtrace
> #0  dumpsys () at ../../kern/kern_shutdown.c:469
> #1  0xc012debb in boot (howto=260) at ../../kern/kern_shutdown.c:309
> #2  0xc012e238 in poweroff_wait (junk=0xc01fdbaf, howto=0) at ../../kern/kern_shutdown.c:556
> #3  0xc01d3be9 in trap_fatal (frame=0xc0205750, eva=48) at ../../i386/i386/trap.c:951
> #4  0xc01d38c1 in trap_pfault (frame=0xc0205750, usermode=0, eva=48) at ../../i386/i386/trap.c:844
> #5  0xc01d347b in trap (frame={tf_fs = -1071644656, tf_es = -1072562160, tf_ds = -1057095664, 
>       tf_edi = 0, tf_esi = 0, tf_ebp = -1071622252, tf_isp = -1071622276, tf_ebx = -1071568452, 
>       tf_edx = 6864896, tf_ecx = -1057959923, tf_eax = 0, tf_trapno = 12, tf_err = 0, 
>       tf_eip = -1072127712, tf_cs = 8, tf_eflags = 66054, tf_esp = -1015089312, 
>       tf_ss = -1071622228}) at ../../i386/i386/trap.c:443
> #6  0xc018a120 in acquire_lock (lk=0xc02129bc) at ../../ufs/ffs/ffs_softdep.c:267
> #7  0xc018f298 in softdep_count_dependencies (bp=0xc37ef760, wantcount=0)
>     at ../../ufs/ffs/ffs_softdep.c:4525
> #8  0xc0192444 in ffs_fsync (ap=0xc0205808) at ../../ufs/ffs/ffs_vnops.c:168
> 
> 
>     at vnode_if.h:537
> #10 0xc015b7b3 in sync (p=0xc0232260, uap=0x0) at ../../kern/vfs_syscalls.c:545
> #11 0xc012dc96 in boot (howto=256) at ../../kern/kern_shutdown.c:233
> #12 0xc012e238 in poweroff_wait (junk=0xc01fdbba, howto=0) at ../../kern/kern_shutdown.c:556
> #13 0xc01d3be9 in trap_fatal (frame=0xc02058fc, eva=0) at ../../i386/i386/trap.c:951
> #14 0xc01d35cb in trap (frame={tf_fs = 16, tf_es = -1071513584, tf_ds = -65520, tf_edi = -1, 
>       tf_esi = 0, tf_ebp = 0, tf_isp = -1071621848, tf_ebx = 0, tf_edx = 23088, 
>       tf_ecx = -1071447498, tf_eax = 0, tf_trapno = 10, tf_err = 0, tf_eip = -1071829802, 
>       tf_cs = 8, tf_eflags = 582, tf_esp = -1071829807, tf_ss = 14}) at ../../i386/i386/trap.c:613
> (kgdb) where
> #0  dumpsys () at ../../kern/kern_shutdown.c:469
> #1  0xc012debb in boot (howto=260) at ../../kern/kern_shutdown.c:309
> #2  0xc012e238 in poweroff_wait (junk=0xc01fdbaf, howto=0) at ../../kern/kern_shutdown.c:556
> #3  0xc01d3be9 in trap_fatal (frame=0xc0205750, eva=48) at ../../i386/i386/trap.c:951
> #4  0xc01d38c1 in trap_pfault (frame=0xc0205750, usermode=0, eva=48) at ../../i386/i386/trap.c:844
> #5  0xc01d347b in trap (frame={tf_fs = -1071644656, tf_es = -1072562160, tf_ds = -1057095664, 
>       tf_edi = 0, tf_esi = 0, tf_ebp = -1071622252, tf_isp = -1071622276, tf_ebx = -1071568452, 
>       tf_edx = 6864896, tf_ecx = -1057959923, tf_eax = 0, tf_trapno = 12, tf_err = 0, 
>       tf_eip = -1072127712, tf_cs = 8, tf_eflags = 66054, tf_esp = -1015089312, 
>       tf_ss = -1071622228}) at ../../i386/i386/trap.c:443
> #6  0xc018a120 in acquire_lock (lk=0xc02129bc) at ../../ufs/ffs/ffs_softdep.c:267
> #7  0xc018f298 in softdep_count_dependencies (bp=0xc37ef760, wantcount=0)
>     at ../../ufs/ffs/ffs_softdep.c:4525
> #8  0xc0192444 in ffs_fsync (ap=0xc0205808) at ../../ufs/ffs/ffs_vnops.c:168
> #9  0xc0190fa7 in ffs_sync (mp=0xc0eff800, waitfor=2, cred=0xc072c680, p=0xc0232260)
>     at vnode_if.h:537
> #10 0xc015b7b3 in sync (p=0xc0232260, uap=0x0) at ../../kern/vfs_syscalls.c:545
> #11 0xc012dc96 in boot (howto=256) at ../../kern/kern_shutdown.c:233
> #12 0xc012e238 in poweroff_wait (junk=0xc01fdbba, howto=0) at ../../kern/kern_shutdown.c:556
> #13 0xc01d3be9 in trap_fatal (frame=0xc02058fc, eva=0) at ../../i386/i386/trap.c:951
> #14 0xc01d35cb in trap (frame={tf_fs = 16, tf_es = -1071513584, tf_ds = -65520, tf_edi = -1, 
>       tf_esi = 0, tf_ebp = 0, tf_isp = -1071621848, tf_ebx = 0, tf_edx = 23088, 
>       tf_ecx = -1071447498, tf_eax = 0, tf_trapno = 10, tf_err = 0, tf_eip = -1071829802, 
>       tf_cs = 8, tf_eflags = 582, tf_esp = -1071829807, tf_ss = 14}) at ../../i386/i386/trap.c:613
> (kgdb) quit

Show me more please, you missed the spot where the bug happened by
a function level or two. :(

use 'up' and show me more from backtrace.

thanks,
-Alfred





To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001222012333.G19572>