Date: Tue, 25 Jan 2005 10:38:23 +0100 From: Attila Nagy <bra@fsn.hu> To: Kris Kennaway <kris@obsecurity.org> Cc: sparc64@freebsd.org Subject: Re: kgdb is broken (Re: Crash on an E220R) Message-ID: <41F6138F.9040201@fsn.hu> In-Reply-To: <20050124204940.GB89927@xor.obsecurity.org> References: <41F4D7EE.5080808@fsn.hu> <20050124204940.GB89927@xor.obsecurity.org>
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Kris Kennaway wrote: >>I get regular crashes on an E220R with two processors. The same machine >>with one processor seems to work much more reliably. > kgdb is completely broken on sparc64 (and is only partly functional on > i386 -- marcel did not reply to my email when I asked about his > awareness of these problems and plans to fix it). Install the gdb53 > port instead. OK, I've installed gdb53. Here is what I get: gdb53 -k /usr/obj/usr/src/sys/CACHE/kernel.debug vmcore.0 GNU gdb 5.3 (FreeBSD) Copyright 2002 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 "sparc64-portbld-freebsd5.3"... panic: trap: fast data access mmu miss panic messages: --- panic: trap: fast data access mmu miss cpuid = 0 boot() called on cpu#0 Uptime: 1d10h3m16s Dumping 2048 MB (4 chunks) chunk at 0: 536870912 bytes |\^H/\^H --- #0 0x00000000c00bf48c in doadump () at /usr/src/sys/kern/kern_shutdown.c:249 249 dumpsys(&dumper); (kgdb) backtrace #0 0x00000000c00bf48c in doadump () at /usr/src/sys/kern/kern_shutdown.c:249 #1 0x0000000000000000 in ?? () Segmentation fault (core dumped) -- Attila Nagy e-mail: Attila.Nagy@fsn.hu Adopt a directory on our free software phone @work: +361 371 3536 server! http://www.fsn.hu/?f=brick cell.: +3630 306 6758
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