From: <no...@so...> - 2001-10-04 21:19:56
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Bugs item #467333, was opened at 2001-10-02 15:26 You can respond by visiting: http://sourceforge.net/tracker/?func=detail&atid=104664&aid=467333&group_id=4664 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Linux cscope core dumps Initial Comment: After compliing cscope version 15.3 in Linux version 2.0.36, cscope core dumps. Used cscope to build database. It builds a cscope.out file. Then if anything is searched, it core dumps. Please help. Attached is the core file. ---------------------------------------------------------------------- Comment By: Nobody/Anonymous (nobody) Date: 2001-10-04 14:19 Message: Logged In: NO Please let me know your email address so I can send you the core file. The gcc version is 2.7. libc version: 2.1.3. flex version: 2.5.4. I compiled the cscope as per your instructions with -g -O2 options and redid the core file. Following is the gdb output: ===============Begin GDB output ===================== gdb cscope core GNU gdb 4.17.0.4 with Linux/x86 hardware watchpoint and FPU support Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute 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"... Core was generated by `./cscope main.c'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libncurses.so.4...done. Reading symbols from /lib/libc.so.6...done. Reading symbols from /lib/ld-linux.so.2...done. #0 0x400afd1e in old_do_write (fp=0x80935a0, data=0x40015000 "main.c main 138 main(int argc, char **argv)\n", to_do=44) at oldfileops.c:294 oldfileops.c:294: No such file or directory. (gdb) where #0 0x400afd1e in old_do_write (fp=0x80935a0, data=0x40015000 "main.c main 138 main(int argc, char **argv)\n", to_do=44) at oldfileops.c:294 #1 0x400af9a4 in _IO_old_do_write (fp=0x80935a0, data=0x40015000 "main.c main 138 main(int argc, char **argv)\n", to_do=44) at oldfileops.c:267 #2 0x400afbf0 in _IO_old_file_close_it (fp=0x80935a0) at oldfileops.c:139 #3 0x400aaf17 in freopen (filename=0x807bc80 "/tmp/cscope10076.2", mode=0x80607da "rb", fp=0x80935a0) at freopen.c:53 #4 0x80515e1 in search () at display.c:442 #5 0x804e91d in command (commandc=109) at command.c:504 #6 0x8057072 in main (argc=1, argv=0xbffff888) at main.c:689 ============== End gdb output ========================== ---------------------------------------------------------------------- Comment By: Hans-Bernhard Broeker (broeker) Date: 2001-10-04 04:25 Message: Logged In: YES user_id=27517 You'll have to either mail the core file to one of us personally, then, or do the analysis locally. We can help with that. In a nutshell: 1) make sure your cscope is compiled with debugging information in (a "make clean all CFLAGS='-g -O2'" should see to that, in case of doubt) 2) recreate the corefile. Try to parse as simple a source file collection as possible that still recreates the bug. The cscope source itself preferred 3) run gdb cscope core and then, from the gdb> prompt: where and show the output here. A bit more information about your Linux box would also be valuable. 2.0.36 is only the version number of the kernel itself. The versions of GCC, the libc and maybe flex, too, might be necessar to narrow in on this. ---------------------------------------------------------------------- Comment By: Nobody/Anonymous (nobody) Date: 2001-10-03 14:45 Message: Logged In: NO Here are the answers to your questions: Distribution: I got it from cscope.sourceforge.net. The version is 15.3 or whatever the latest was about a week ago. Processor: Intel 686 Linux OS version: 2.0.36 The core file is too big to fit in your bug report max file size. file size = 282624 bytes. MAX=256K. ---------------------------------------------------------------------- Comment By: Petr Sorfa (petr) Date: 2001-10-03 08:29 Message: Logged In: YES user_id=26835 Can you provide a little more info about which distribution you are using and which processor. My guess is that you are using a very old version of Linux with possibly outdated libraries which is causing this problem. Also no attached core file. ---------------------------------------------------------------------- You can respond by visiting: http://sourceforge.net/tracker/?func=detail&atid=104664&aid=467333&group_id=4664 |