[Gambas-user] Segmentation fault (core dumped)

[Benoît Minisini]

> Bugzilla from gambas at ...1... wrote:
> >> Fabien Bodard-4 wrote:
> >> > no you are not in the good path !
> >> > 
> >> > 
> >> > cd /home/george/trunk/app/src/gambas3
> >> > gdb gbx3
> >> > 
> >> >>set args -p
> >> >>run
> >> >>
> >> > ..... segfault
> >> > 
> >> >>bt
> >> >>
> >> > return the output
> >> 
> >> Mmmmmm, that didn't catch the crash?  Notice at the bottom I run
> >> gambas3, thanks for the help!
> > 
> > You must recompile the project before, because it has been cleaned by
> > "make
> > install".
> > 
> > [george at ...2374... gambas3]$ gbc3 -agt
> > OK
> > [george at ...2374... gambas3]$ gdb gbx3
> > ...
> > 
> > Regards,
> 
> Thank you, finally something useful!
> 
> [george at ...2374... gambas3]$ gdb gbx3
> GNU gdb (GDB) Fedora (7.0.1-32.fc12)
> 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 "x86_64-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/local/bin/gbx3...done.
> (gdb) set args -p
> (gdb) run
> Starting program: /usr/local/bin/gbx3 -p
> [Thread debugging using libthread_db enabled]
> warning: "/usr/lib/debug/usr/lib64/libQt3Support.so.4.6.2.debug": separate
> debug info file has no debug info
> warning: "/usr/lib/debug/usr/lib64/libQtWebKit.so.4.6.2.debug": separate
> debug info file has no debug info
> Detaching after fork from child process 24914.
> Detaching after fork from child process 24916.
> Detaching after fork from child process 24917.
> [New Thread 0x7fffeb243710 (LWP 24919)]
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000003b2c124cd1 in QPrinter::QPrinter (this=<value optimized out>,
> mode=<value optimized out>)
>     at painting/qprinter.cpp:658
> 658	    	if( cups.currentPPD()->color_device )
> (gdb) bt
> #0  0x0000003b2c124cd1 in QPrinter::QPrinter (this=<value optimized out>,
> mode=<value optimized out>)
>     at painting/qprinter.cpp:658
> #1  0x00007ffff7978a67 in Printer_new (_object=0xe19e70, _param=<value
> optimized out>)
>     at cprinter.cpp:168
> #2  0x0000000000407519 in EXEC_call_native (exec=0xe4fbb8,
> object=0x7fffffffc420, type=0,
>     param=<value optimized out>) at gbx_exec.c:979
> #3  0x000000000040813f in EXEC_native () at gbx_exec.c:1180
> #4  0x00000000004091c8 in EXEC_special (special=<value optimized out>,
> class=<value optimized out>,
>     object=<value optimized out>, nparam=0, drop=<value optimized out>) at
> gbx_exec.c:1485
> #5  0x00000000004094d4 in EXEC_special_inheritance (special=0,
> class=0x66dc60, object=0xe19e70, nparam=
>     0, drop=1 '\001') at gbx_exec.c:1627
> #6  0x0000000000409bde in EXEC_new () at gbx_exec.c:1837
> #7  0x0000000000429215 in EXEC_loop () at gbx_exec_loop.c:820
> #8  0x0000000000408c96 in EXEC_function_loop () at gbx_exec.c:795
> #9  0x0000000000409050 in EXEC_function_real () at gbx_exec.c:782
> #10 0x00000000004095b5 in EXEC_special_inheritance (special=0,
> class=0x93b100, object=0xe098e0,
>     nparam=<value optimized out>, drop=<value optimized out>) at
> gbx_exec.c:1673
> #11 0x000000000041f0c2 in OBJECT_create (object=<value optimized out>,
> class=<value optimized out>,
>     name=<value optimized out>, parent=<value optimized out>, nparam=<value
> optimized out>)
>     at gbx_object.c:369
> #12 0x000000000040bca3 in CLASS_auto_create (class=0x93b100, nparam=0) at
> gbx_class.c:1077
> #13 0x00007ffff795151d in CFORM_load (_object=<value optimized out>,
> _param=<value optimized out>)
>     at CWindow.cpp:475
> #14 0x0000000000407519 in EXEC_call_native (exec=0xe4fbb8,
> object=0x7fffffffc420, type=0,
>     param=<value optimized out>) at gbx_exec.c:979
> #15 0x000000000040813f in EXEC_native () at gbx_exec.c:1180
> #16 0x0000000000429201 in EXEC_loop () at gbx_exec_loop.c:975
> #17 0x0000000000408c96 in EXEC_function_loop () at gbx_exec.c:795
> ---Type <return> to continue, or q <return> to quit---
> #18 0x0000000000409050 in EXEC_function_real () at gbx_exec.c:782
> #19 0x00000000004091e3 in EXEC_special (special=<value optimized out>,
> class=<value optimized out>,
>     object=<value optimized out>, nparam=0, drop=<value optimized out>) at
> gbx_exec.c:1493
> #20 0x00000000004096e2 in EXEC_special_inheritance (special=0,
> class=0x914980, object=0x9a5cc0,
>     nparam=<value optimized out>, drop=<value optimized out>) at
> gbx_exec.c:1720
> #21 0x000000000041f0c2 in OBJECT_create (object=<value optimized out>,
> class=<value optimized out>,
>     name=<value optimized out>, parent=<value optimized out>, nparam=<value
> optimized out>)
>     at gbx_object.c:369
> #22 0x000000000040bca3 in CLASS_auto_create (class=0x914980, nparam=0) at
> gbx_class.c:1077
> #23 0x00007ffff795151d in CFORM_load (_object=<value optimized out>,
> _param=<value optimized out>)
>     at CWindow.cpp:475
> #24 0x0000000000407519 in EXEC_call_native (exec=0xe4fbb8,
> object=0x7fffffffc420, type=0,
>     param=<value optimized out>) at gbx_exec.c:979
> #25 0x000000000040813f in EXEC_native () at gbx_exec.c:1180
> #26 0x0000000000429201 in EXEC_loop () at gbx_exec_loop.c:975
> #27 0x0000000000408c96 in EXEC_function_loop () at gbx_exec.c:795
> #28 0x0000000000409050 in EXEC_function_real () at gbx_exec.c:782
> #29 0x000000000041e218 in main (argc=1, argv=<value optimized out>) at
> gbx.c:356
> (gdb)

It seems to be a bug in Qt. Do you have some specific printer configuration?

-- 
Benoît Minisini