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Re: gEDA-user: PCB+GL testing
On Sun October 25 2009 12:53:32 am Mark wrote:
> It's 1 am so I'm off to sleep but I will give the debugger a shot tomorrow.
Ok, it's been more like a week. :)
Peter C.,
You'll find the back trace in the attached file. I had to run it with the --sync command otherwise
trace would be empty. The only thing that concerns me was having to press Ctrl+C in the debugger
after the program crashed. I made a note about it in the file but I'm just not sure how it
affected the back trace.
-Mark Stanley
~$ gdb -q pcb
(gdb) set args --sync
(gdb) run
Starting program: ~/apps/geda/bin/pcb --sync
Loading file ~/projects/icd2_clone.pcb took 0.550000
The program 'pcb' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadColor (invalid Colormap parameter)'.
(Details: serial 80612 error_code 12 request_code 79 minor_code 0)
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the --sync command line
option to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)
**** At this point pcb is at 100% CPU usage so I have to Ctrl+C to stop it
**** and regain control of gdb.
Program received signal SIGINT, Interrupt.
0xb789868e in _XGetXCBBuffer () from /usr/lib/libX11.so.6
(gdb) bt
#0 0xb789868e in _XGetXCBBuffer () from /usr/lib/libX11.so.6
#1 0xb78991a3 in ?? () from /usr/lib/libX11.so.6
#2 0x081ca478 in ?? ()
#3 0xb736615c in ?? () from /usr/lib/libxcb.so.1
#4 0xbf926678 in ?? ()
#5 0xb78986a1 in _XGetXCBBuffer () from /usr/lib/libX11.so.6
#6 0xb78995aa in _XReply () from /usr/lib/libX11.so.6
#7 0xb788d7ba in XSync () from /usr/lib/libX11.so.6
#8 0xb788d935 in ?? () from /usr/lib/libX11.so.6
#9 0x081ca478 in ?? ()
#10 0x00000000 in ?? ()
**** Here are the other processes that failed to exit properly.
3368 ? Ss 0:00 /usr/bin/dbus-daemon --fork --print-pid 8 --print-address 10 --session
**** I repeated the back trace twice more to ensure I was getting good information.
**** I restarted the computer each time. They look a little different each time.
--------------------------------
Program received signal SIGINT, Interrupt.
0xb7366284 in _xcb_lock_io () from /usr/lib/libxcb.so.1
(gdb) bt
#0 0xb7366284 in _xcb_lock_io () from /usr/lib/libxcb.so.1
#1 0xb73765b2 in xcb_xlib_unlock () from /usr/lib/libxcb-xlib.so.0
#2 0xb78a8168 in ?? () from /usr/lib/libX11.so.6
#3 0x081ca9b8 in ?? ()
#4 0xb737515c in ?? () from /usr/lib/libxcb.so.1
#5 0xbffbe508 in ?? ()
#6 0xb78a76a1 in _XGetXCBBuffer () from /usr/lib/libX11.so.6
#7 0xb78a85aa in _XReply () from /usr/lib/libX11.so.6
#8 0xb789c7ba in XSync () from /usr/lib/libX11.so.6
#9 0xb789c935 in ?? () from /usr/lib/libX11.so.6
#10 0x081ca478 in ?? ()
#11 0x00000000 in ?? ()
3598 pts/2 S+ 0:00 dbus-launch --autolaunch 83ca96941b0d9abd04f9fd7c4954109a --binary-syntax --close-stderr
3599 ? Ss 0:00 /usr/bin/dbus-daemon --fork --print-pid 8 --print-address 10 --session
--------------------------------
Program received signal SIGINT, Interrupt.
0xb7465f7b in pthread_mutex_unlock () from /lib/libc.so.6
(gdb) bt
#0 0xb7465f7b in pthread_mutex_unlock () from /lib/libc.so.6
#1 0xb7325660 in xcb_xlib_lock () from /usr/lib/libxcb-xlib.so.0
#2 0xb7857198 in ?? () from /usr/lib/libX11.so.6
#3 0x081ca9b8 in ?? ()
#4 0xb732415c in ?? () from /usr/lib/libxcb.so.1
#5 0xbfe0ab58 in ?? ()
#6 0xb78566a1 in _XGetXCBBuffer () from /usr/lib/libX11.so.6
#7 0xb78575aa in _XReply () from /usr/lib/libX11.so.6
#8 0xb784b7ba in XSync () from /usr/lib/libX11.so.6
#9 0xb784b935 in ?? () from /usr/lib/libX11.so.6
#10 0x081ca478 in ?? ()
#11 0x00000000 in ?? ()
3040 pts/3 S 0:00 dbus-launch --autolaunch 83ca96941b0d9abd04f9fd7c4954109a --binary-syntax --close-stderr
3041 ? Ss 0:00 /usr/bin/dbus-daemon --fork --print-pid 8 --print-address 10 --session
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