Date: Wed, 19 Apr 2006 17:17:17 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: "Vladislav V. Prodan" <vlad11@nla.od.ua> Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/96042: Kernel panics with sbdrop Message-ID: <20060419131717.GW84736@cell.sick.ru> In-Reply-To: <4446219A.6070908@nla.od.ua> References: <200604191026.k3JAQf1v043987@freefall.freebsd.org> <4446219A.6070908@nla.od.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Apr 19, 2006 at 02:40:10PM +0300, Vladislav V. Prodan wrote: V> Gleb Smirnoff пишет: V> > Synopsis: Kernel panics with sbdrop V> > V> > State-Changed-From-To: open->feedback V> > State-Changed-By: glebius V> > State-Changed-When: Wed Apr 19 10:26:02 UTC 2006 V> > State-Changed-Why: V> > Please obtain kernel backtrace for this panic. Some instructions V> > can be found here: V> > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html V> > V> > http://www.freebsd.org/cgi/query-pr.cgi?pr=96042 V> > V> V> [14:38]bahus:vlad11->sys/bahus.10# kgdb kernel.debug /var/crash/vmcore.5 V> [GDB will not be able to debug user-mode threads: V> /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] V> GNU gdb 6.1.1 [FreeBSD] V> Copyright 2004 Free Software Foundation, Inc. V> GDB is free software, covered by the GNU General Public License, and you are V> welcome to change it and/or distribute copies of it under certain V> conditions. V> Type "show copying" to see the conditions. V> There is absolutely no warranty for GDB. Type "show warranty" for details. V> This GDB was configured as "i386-marcel-freebsd". V> V> Unread portion of the kernel message buffer: V> V> V> Fatal trap 12: page fault while in kernel mode V> cpuid = 0; apic id = 00 V> fault virtual address = 0x9518e902 V> fault code = supervisor read, page not present V> instruction pointer = 0x20:0xc06bdedc V> stack pointer = 0x28:0xd5cdd96c V> frame pointer = 0x28:0xd5cdd98c V> code segment = base 0x0, limit 0xfffff, type 0x1b V> = DPL 0, pres 1, def32 1, gran 1 V> processor eflags = interrupt enabled, resume, IOPL = 0 V> current process = 38 (swi1: net) V> trap number = 12 V> panic: page fault V> cpuid = 0 V> Uptime: 11h13m39s V> Dumping 511 MB (2 chunks) V> chunk 0: 1MB (159 pages) ... ok V> chunk 1: 511MB (130800 pages) 495 479 463 447 431 415 399 383 367 351 V> 335 319 303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 V> 31 15 V> V> #0 doadump () at pcpu.h:165 V> 165 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); V> (kgdb) All left is to type 'bt' command and show its output :) -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060419131717.GW84736>