KAtomic ... well, blows up!
M'kay, this is really more about figuring out how to troubleshoot X applications than it is about needing to play a particular game ...
I try to make a habit of occasionally roaming around the menus on my [-current] system and trying apps I've never run before. Tonight it was the game "KAtomic." I was running XFCE. I tried running the game and BLAM!
X died. I saw some disturbing lines at the top of the screen, what looked like the tail end of a series of numbered lines of errors specific to X.
Then I tried changing my wm to KDE, since KAtomic -- sporting the ubiquitous 'K', was obviously a KDE app. Even worse. Under KDE, starting the game using the menus resulted in a frozen system. I couldn't even CTRL-ALT-BACKSPACE out of X ... the system was hung.
Once I was back up and running, I tried starting KAtomic from a terminal in fluxbox, and redirected standard error to a file. Here is what it contains:
katomic: Fatal IO error: client killed
kdeinit: Fatal IO error: client killed
klauncher: Exiting on signal 15
kded: Fatal IO error: client killed
Now, the thing is, not only is that not terribly specific, but I know there is other, more specific error-gunk that X is spitting out as it dies, since I can see it at the top of my screen once I am back at a prompt. I am wondering how to get all of THAT stuff. Is there another way to capture it? It doesn't seem to be in the X.org.log, nor in syslog.
I admit, I am grasping at straws, and am not sure where to look for more information.
Usually the error logs come from the verbosity of the program, I mean if there is no error checking or no error message when the program fails in one function then there is no direct error output from the program
The <<katomic: Fatal IO error: client killed>> error seems to come from QT library (the library that provides GUI elements, like menu, buttons etc), but not from the program itself
If you are curious, you could use << gdb katomic>>, then type <<run>> and look gdb output until the program stops, then you can type <<where>> to try to find out more.. But the program surelly has debug symbols stripped so it won't talk much.
I have seen X locks from various reason also, often the x video driver caused problem, but that depends on your video card and driver though.
(No debugging symbols found)
and then after a couple of returns, KAtomic runs and dies and pulls X down and, of course, my gdb session with it. :(
I tried from pure console but since KAtomic is a KDE app it can't be debugged/run without X running.
Sure wish I could capture what X is spitting out upon death. I thought that went SOMEwhere ... but I can't find it. I will run KAtomic and try to copy down a couple of the lines with a pen[cil], maybe someone will recognize something ... there's gotta be a better way!
Maybe look into your logs: /var/log/Xorg.0.log or /var/log/Xorg.0.log.old
Or start X with output redirected to a file :
xauth: creating new authority file /home/chexmix/.serverauth.4112
X.Org X Server 1.4.2
Release Date: 11 June 2008
X Protocol Version 11, Revision 0
Build Operating System: Slackware 12.1 Slackware Linux Project
Current Operating System: Linux catbutt 188.8.131.52-smp #1 SMP Fri Nov 7 12:52:17 CST 2008 i686
Build Date: 30 June 2008 11:35:29PM
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
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/Xorg.0.log", Time: Sun Nov 9 19:51:24 2008
(==) Using config file: "/etc/X11/xorg.conf"
(II) Module "ddc" already built-in
failed to open catalog, using default messages
0: X(xf86SigHandler+0x7e) [0x80d8b5e]
2: /usr/X11R6/lib/libpixman-1.so.0 [0xb7fc9787]
3: /usr/X11R6/lib/libpixman-1.so.0 [0xb7fcd910]
4: /usr/X11R6/lib/libpixman-1.so.0(pixman_image_composite+0x59c) [0xb7fcd52c]
5: /usr/lib/xorg/modules//libfb.so(fbComposite+0x1ad) [0xb7b002dd]
6: X [0x81688f3]
7: X(CompositePicture+0x150) [0x814fc10]
8: X(miGlyphs+0x233) [0x814c753]
9: X [0x8168704]
10: X(CompositeGlyphs+0x9a) [0x814fd8a]
11: X [0x8157648]
12: X [0x8152aa5]
13: X [0x814620e]
14: X(Dispatch+0x2bf) [0x808688f]
15: X(main+0x48b) [0x806ddab]
16: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7e37390]
17: X(FontFileCompleteXLFD+0x20d) [0x806d121]
Fatal server error:
Caught signal 11. Server aborting
XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0"
after 11462 requests (11462 known processed) with 0 events remaining.
xinit: connection to X server lost.
waiting for X server to shut down xterm: fatal IO error 11 (Resource temporarily unavailable) or KillClient on X server ":0.0"
I would try disable the composite extension in xorg.conf, just for checking
Just add these lines at the end of /etc/X11/xorg.conf:
I will have to look into these extensions. Maybe my system (a 1000 mHz PIII) just is too old to take advantage of them? I don't know anything about them. :study:
Again, thanks for your help with this, keefaz!
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