I do not understand how to create the debug infomration. In have installed the *-dbg as you suggest and I start to follow the instructions.
I connect to the laptop via an SSH channel from another computer and I stopped the gdm, using an user I launched X and after I start to follow the instruction as follows =========================== Date:gio ago 19 Time:15:16:58 User:root Computer:europa Base:~ Current:~ Command 506 of 7 #gdb -p 3562 =========================== after this command the X of the laptop freezes, so I continued all the list of the commands (here I report all the things written on desktop) =========================== GNU gdb (GDB) 7.0.1-debian Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i486-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Attaching to process 3562 Reading symbols from /usr/bin/Xorg...Reading symbols from /usr/lib/debug/usr/bin/Xorg...done. (no debugging symbols found)...done. Reading symbols from /lib/libudev.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libudev.so.0 Reading symbols from /usr/lib/libpciaccess.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpciaccess.so.0 Reading symbols from /lib/i686/cmov/libdl.so.2...Reading symbols from /usr/lib/debug/lib/i686/cmov/libdl-2.11.2.so...done. (no debugging symbols found)...done. Loaded symbols for /lib/i686/cmov/libdl.so.2 Reading symbols from /lib/i686/cmov/libpthread.so.0...Reading symbols from /usr/lib/debug/lib/i686/cmov/libpthread-2.11.2.so...done. [Thread debugging using libthread_db enabled] (no debugging symbols found)...done. Loaded symbols for /lib/i686/cmov/libpthread.so.0 Reading symbols from /usr/lib/libXfont.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXfont.so.1 Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpixman-1.so.0 Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /usr/lib/libgcrypt.so.11...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgcrypt.so.11 Reading symbols from /lib/libaudit.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/libaudit.so.0 Reading symbols from /lib/i686/cmov/libm.so.6...Reading symbols from /usr/lib/debug/lib/i686/cmov/libm-2.11.2.so...done. (no debugging symbols found)...done. Loaded symbols for /lib/i686/cmov/libm.so.6 Reading symbols from /lib/i686/cmov/librt.so.1...Reading symbols from /usr/lib/debug/lib/i686/cmov/librt-2.11.2.so...done. (no debugging symbols found)...done. Loaded symbols for /lib/i686/cmov/librt.so.1 Reading symbols from /lib/i686/cmov/libc.so.6...Reading symbols from /usr/lib/debug/lib/i686/cmov/libc-2.11.2.so...done. (no debugging symbols found)...done. Loaded symbols for /lib/i686/cmov/libc.so.6 Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /lib/ld-linux.so.2...Reading symbols from /usr/lib/debug/lib/ld-2.11.2.so...done. (no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /lib/libbz2.so.1.0...(no debugging symbols found)...done. Loaded symbols for /lib/libbz2.so.1.0 Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libfontenc.so.1 Reading symbols from /usr/lib/libgpg-error.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgpg-error.so.0 Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libextmod.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libextmod.so Reading symbols from /lib/libselinux.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libselinux.so.1 Reading symbols from /usr/lib/xorg/modules/extensions/libdbe.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdbe.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdbe.so Reading symbols from /usr/lib/xorg/modules/extensions/libglx.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libglx.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libglx.so Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/librecord.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/librecord.so Reading symbols from /usr/lib/xorg/modules/extensions/libdri.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri.so Reading symbols from /usr/lib/libdrm.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm.so.2 Reading symbols from /usr/lib/xorg/modules/extensions/libdri2.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri2.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.so Reading symbols from /usr/lib/xorg/modules/drivers/intel_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/intel_drv.so Reading symbols from /usr/lib/libdrm_intel.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libdrm_intel.so.1 Reading symbols from /usr/lib/xorg/modules/drivers/vesa_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/vesa_drv.so Reading symbols from /usr/lib/xorg/modules/drivers/fbdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/drivers/fbdev_drv.so Reading symbols from /usr/lib/xorg/modules/linux/libfbdevhw.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/linux/libfbdevhw.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/linux/libfbdevhw.so Reading symbols from /usr/lib/xorg/modules/libfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libfb.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/libfb.so Reading symbols from /usr/lib/dri/i965_dri.so...Reading symbols from /usr/lib/debug/usr/lib/dri/i965_dri.so...done. (no debugging symbols found)...done. Loaded symbols for /usr/lib/dri/i965_dri.so Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so Reading symbols from /usr/lib/xorg/modules/input/synaptics_drv.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/xorg/modules/input/synaptics_drv.so 0xb78db424 in __kernel_vsyscall () (gdb) set logging overwrite on (gdb) set logging on Copying output to gdb.txt. (gdb) bt full #0 0xb78db424 in __kernel_vsyscall () No symbol table info available. #1 0xb769825d in ___newselect_nocancel () at ../sysdeps/unix/syscall-template.S:82 No locals. #2 0x080a6457 in WaitForSomething (pClientsReady=0x9d1c318) at ../../os/WaitFor.c:229 i = <value optimized out> waittime = {tv_sec = 0, tv_usec = 18292} wt = 0xbfebcee4 timeout = <value optimized out> clientsReadable = {fds_bits = {0 <repeats 32 times>}} clientsWritable = {fds_bits = {1464, -1218185802, 136192460, 1492, 0, -1075065320, 134903486, 36, -1075065208, 1, -1218171604, 134778687, 136192460, -1075065288, 134901327, 165438816, -1075065208, 1, 64112, -1217301600, -1217306636, -1075065160, 134933254, 165438816, -1075065208, 1, 135229632, 136192460, 165224704, -1075065208, 36, -1075065208}} selecterr = <value optimized out> nready = 126548 devicesReadable = {fds_bits = {-1217426968, -1217301556, -1217301556, -1217301600, 0, 0, -1217301552, 32, -1217306636, -1217301600, 1460, -1075065336, -1218180979, 0, 0, 0, 0, 0, 0, -1217301504, 0, 0, 183, 1480, 0, 78, 1460, -1217440490, -1075065352, 1, -1075065208, -1217825861}} now = <value optimized out> someReady = 0 #3 0x0807fda0 in Dispatch () at ../../dix/dispatch.c:375 result = <value optimized out> client = 0x9db69c0 nready = -1 start_tick = 400 #4 0x0806692a in main (argc=6, argv=0xbfebd084, envp=0xbfebd0a0) at ../../dix/main.c:285 i = <value optimized out> alwaysCheckForInput = {0, 1} (gdb) set logging off Done logging to gdb.txt. (gdb) quit A debugging session is active. Inferior 1 [process 3562] will be detached. Quit anyway? (y or n) y Detaching from program: /usr/bin/Xorg, process 3562 =========================== After this command I executed the game but I did not get any output file =========================== Date:gio ago 19 Time:15:18:09 User:root Computer:europa Base:~ Current:~ Command 507 of 8 #cd /etc/X11/ Date:gio ago 19 Time:15:19:55 User:root Computer:europa Base:X11 Current:/etc/X11 Command 508 of 9 #ls app-defaults ko_KR.eucKR xorg.conf Xsession.d cursors openbox xorg.conf~ Xsession.options default-display-manager rgb.txt xorg.conf.1239897374-16.aprile.2009-17.56.root.tgz XvMCConfig fonts twm Xreset Xwrapper.config fvwm X Xreset.d ja_JP.eucJP xinit Xresources ja_JP.UTF-8 xkb Xsession =========================== Perhaps I can help you because on the shell of the notebook appears this error (that reports the point[er] that causes the error) =========================== [...] Please also check the log file at "/var/log/Xorg.0.log" for additional information. X: ../../src/i830_batchbuffer.h:79: intel_batch_emit_dword: Assertion 'pI830->batch_ptr != ((void *)0' failed. xinit: connection to X server lost. =========================== Sorry I send only to you this e-mail, I kow this is incomplete. If you think that it is really useful, please forward it as you prefer. Contact me if you think I help the team in debug process. Thanks Marco Il 19/08/2010 14:23, Julien Cristau ha scritto: > On Thu, Aug 12, 2010 at 11:12:48 +0200, Marco Righi wrote: > >> The chipset should be an intel 810. >> > It's not i810, it's a 965GM. Reassigning this bug to mesa. > > It would be useful if you could get a backtrace from the X server. > Install xserver-xorg-core-dbg and libgl1-mesa-dri-dbg, and follow the > instructions at http://wiki.debian.org/XStrikeForce/XserverDebugging > > Cheers, > Julien -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? 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