forwarded 364738 http://bugzilla.abisource.com/show_bug.cgi?id=10207 thanks
On Tuesday 25 April 2006 06:15, Nick Lewycky wrote:
> Package: link-grammar
> Version: 4.2.2-1
> Severity: important
>
> I don't know why, but link-grammar segfaults:
>
> $ link-grammar
> Segmentation fault
> $
>
> Running it through GDB isn't very revealing:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x55684ca3 in strlen () from /lib/tls/i686/cmov/libc.so.6
> (gdb) bt
> #0 0x55684ca3 in strlen () from /lib/tls/i686/cmov/libc.so.6
> #1 0x556849c5 in strdup () from /lib/tls/i686/cmov/libc.so.6
> #2 0x555c4589 in linkage_print_postscript ()
> from /usr/lib/liblink-grammar.so.4
> #3 0x555a7e8f in dictionary_create_default_lang ()
> from /usr/lib/liblink-grammar.so.4
> #4 0x0804a4f0 in ?? ()
> #5 0x0804d008 in ?? ()
> #6 0x0000000a in ?? ()
> #7 0x5556b6a4 in ?? ()
> #8 0x5556dbb0 in ?? ()
> #9 0x00000001 in ?? ()
> #10 0x00000000 in ?? ()
> (gdb)
>
> I'm not sure what else to include in the bug report. Any ideas?
I suspect the problem is that you don't have the environment variable
$LANG set. linkage_print_postscript() (actually get_default_locale()),
calls getenv("LANG") which returns null, and then crashes trying to
strdup the null pointer.
I get this backtrace when using packages built with debugging symbols,
and unsetting $LANG in my environment:
(gdb) run
Starting program: /usr/bin/link-grammar
Program received signal SIGSEGV, Segmentation fault.
0xb7e28ca3 in strlen () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0 0xb7e28ca3 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1 0xb7e289c5 in strdup () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7f17589 in get_default_locale () at utilities.c:1737
#3 0xb7efae8f in dictionary_create_default_lang () at api.c:453
#4 0x0804a4f0 in main (argc=1, argv=0xbfa96bb4) at parse.c:361
Please send me the output of the env command so that I can confirm this,
and then I will look at the proper way to fix it.
--Ken Bloom
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