> To me it looks like there are problems in core XFree86 code (int10
> maybe) dealing with your system. You said you have XFree86 source?
> Have you tried building from source. At least then you could build
> a debug X-server and find out where it crashes.
There's a lot steeper learning curve to this OS than I thought.
I have some of the source, but I don't really know all that I need. I'll
try to find out.
> Can you telnet into the machine and start XFree86 under a debugger?
> Run "gdb XFree86" and from the gdb prompt type "run". When it
> crashes type "bt" to get a backtrace. The symbols that aren't
> visible resolvable (have ?? for names) can be printed by calling
> LoaderPrintSymbol. eg:
>
> (gdb) call LoaderPrintSymbol (0x08587f48)
Here are my results from that. (I should have used telnet the last time you
asked me to do something like this)
So, it looks like there might be a problem in the int10 helper_mem.o file.
Defender# gdb XFree86
GNU gdb 4.18 (FreeBSD)
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"...
(no debugging symbols found)...
(gdb) run
Starting program: /usr/X11R6/bin/XFree86
(no debugging symbols found)...(no debugging symbols found)...
XFree86 Version 4.2.0 / X Window System
(protocol Version 11, revision 0, vendor release 6600)
Release Date: 18 January 2002
If the server is older than 6-12 months, or if your card is
newer than the above date, look for a newer version before
reporting problems. (See http://www.XFree86.Org/)
Build Operating System: FreeBSD 4.6 i386 [ELF]
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/XFree86.0.log", Time: Tue Jul 2 18:22:19 2002
(==) Using config file: "/root/XF86Config"
(no debugging symbols found)...(no debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
0x880fa7a in ?? ()
(gdb) bt
#0 0x880fa7a in ?? ()
#1 0x8817290 in ?? ()
#2 0x87f9a4a in ?? ()
#3 0x806c260 in InitOutput ()
#4 0x80be47a in main ()
#5 0x806badd in _start ()
(gdb) call LoaderPrintSymbol (0x880fa7a)
0x880fa48 int10_check_bios+32
Module "/usr/X11R6/lib/modules/libint10.a:helper_mem.o"
Section ".text"
$1 = 1
(gdb) call LoaderPrintSymbol (0x8817290)
Program received signal SIGSEGV, Segmentation fault.
0x880fa7a in ?? ()
The program being debugged stopped while in a function called from GDB.
When the function (LoaderPrintSymbol) is done executing, GDB will silently
stop (instead of continuing to evaluate the expression containing
the function call).
(gdb) call LoaderPrintSymbol (0x87f9a4a)
0x87f9294 NVAdjustFrame+7b6
Module "/usr/X11R6/lib/modules/drivers/nv_drv.o"
Section ".text"
$2 = 1
(gdb)
Thank you for all your help!
-James Turnbull
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