I don't see where free() gets called from _XlcLocaleDirName().
Please build the library with debug option (call 'makeg' instead of
'make').
Regards,
Egbert.
Biswapesh Chattopadhyay writes:
> Hi all
>
> M/c: RedHat 7.3/kernel 2.4.18-10/P41.8/512MB/i845
>
> I'm trying to build XFree86 CVS (updated today morning) and getting the
> following error:
> -------------------------------------------------------
> .....
> make[5]: Entering directory
> `/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols'
> rm -f symbols.dir
> LD_LIBRARY_PATH=../../../exports/lib ../../../exports/bin/xkbcomp
> -lfhlpR -o symbols.dir '*'
> make[5]: *** [symbols.dir] Segmentation fault
> make[5]: *** Deleting file `symbols.dir'
> make[5]: Leaving directory
> `/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols'
> make[4]: *** [all] Error 2
> ----------------------------------------------------------
>
> Using GDB, I'm getting a weird backtrace (mem corruption ?)
>
>
>--------------------------------------------------------------------------------------
>
>TECHSHELF:/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols>LD_LIBRARY_PATH=../../../exports/lib
> gdb ../../../exports/bin/xkbcomp /lib/ld-linux.so.2 => /lib/ld-linux.so.2
>(0x40000000)
> GNU gdb Red Hat Linux (5.1-1)
> Copyright 2001 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distrib /lib/ld-linux.so.2 =>
> /lib/ld-linux.so.2 (0x40000000)ute 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-redhat-linux"...
> (gdb) set args -lfhlpR -o symbols.dir '*'
> (gdb) run
> Starting program:
>
>/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols/../../../exports/bin/xkbcomp
> -lfhlpR -o symbols.dir '*'
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x4207ac55 in free () from /lib/i686/libc.so.6
> (gdb) bt
> #0 0x4207ac55 in free () from /lib/i686/libc.so.6
> #1 0x4008efd9 in _XlcLocaleDirName () from
> ../../../exports/lib/libX11.so.6
> #2 0x40088f29 in _XlcDynamicLoad () from
> ../../../exports/lib/libX11.so.6
> #3 0x4006c6ca in _XOpenLC () from ../../../exports/lib/libX11.so.6
> #4 0x4006c819 in _XrmInitParseInfo () from
> ../../../exports/lib/libX11.so.6
> #5 0x400568f4 in NewDatabase () from ../../../exports/lib/libX11.so.6
> #6 0x400588d5 in XrmGetFileDatabase () from
> ../../../exports/lib/libX11.so.6 /lib/ld-linux.so.2 =>
> /lib/ld-linux.so.2 (0x40000000)
> #7 0x4004fb4a in _XInitKeysymDB () from
> ../../../exports/lib/libX11.so.6
> #8 0x4004fcb2 in XStringToKeysym () from
> ../../../exports/lib/libX11.so.6
> #9 0x080646d9 in LookupKeysym ()
> #10 0x080638b6 in yyparse ()
> #11 0x080649f3 in XKBParseFile ()
> #12 0x08062b92 in GenerateListing ()
> #13 0x0804b560 in main ()
> #14 0x42017499 in __libc_start_main () from /lib/i686/libc.so.6
> (gdb)
> ---------------------------------------------------------------------------
>
> Dynamic linking seems to be OK..
> -----------------------------------------------------
>
>TECHSHELF:/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols>LD_LIBRARY_PATH=../../../exports/lib
> ldd ../../../exports/bin/xkbcomp
> libXext.so.6 => ../../../exports/lib/libXext.so.6 (0x40014000)
> libX11.so.6 => ../../../exports/lib/libX11.so.6 (0x40022000)
> libc.so.6 => /lib/i686/libc.so.6 (0x42000000)
> libdl.so.2 => /lib/libdl.so.2 (0x4010d000)
> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
> TECHSHELF:/usr/src/redhat/BUILD/XFree86-4.2.5/xc/programs/xkbcomp/symbols
>
>--------------------------------------------------------------------------------------------
>
> Any pointers ?
>
> Thanks in advance.
>
> Rgds,
> Biswa.
>
>
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