Re: SIGABRT in `stream-of-directory-files'

[Michael Heerdegen <michael_heerdegen@web.de>]

Andreas Schwab <schwab@suse.de> writes:

> Do you have enabled some settings that disallow tracing processes?

Not that I knew, no.

> Does strace work?

Yes, strace works well.


Here is an example session from xterm - am I doing something wrong?

micha> cd software/emacs/src
src> gdb ./emacs
GNU gdb (Debian 7.12-6+b1) 7.12.0.20161007-git
Copyright (C) 2016 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-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ./emacs...done.
SIGINT is used by the debugger.
Are you sure you want to change it? (y or n) [answered Y; input not from terminal]
DISPLAY = :0
TERM = xterm-256color
Breakpoint 1 at 0x55980d: file emacs.c, line 364.
Temporary breakpoint 2 at 0x57de7e: file sysdep.c, line 1077.
(gdb) run
Starting program: /home/micha/software/emacs/src/emacs 
Fatal error 11: Segmentation fault
Backtrace:
/home/micha/software/emacs/src/emacs[0x57f469]
/home/micha/software/emacs/src/emacs[0x5598a1]
/home/micha/software/emacs/src/emacs[0x57ec89]
/home/micha/software/emacs/src/emacs[0x57ec5a]
/home/micha/software/emacs/src/emacs[0x57ecc4]
/home/micha/software/emacs/src/emacs[0x57ee80]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12180)[0x7ffff12ca180]
/home/micha/software/emacs/src/emacs[0x555543]
/home/micha/software/emacs/src/emacs[0x555561]
/home/micha/software/emacs/src/emacs[0x61618f]
/home/micha/software/emacs/src/emacs[0x61621b]
/home/micha/software/emacs/src/emacs[0x61644b]
/home/micha/software/emacs/src/emacs[0x6034d0]
/home/micha/software/emacs/src/emacs[0x5ff74f]
/home/micha/software/emacs/src/emacs[0x603025]
/home/micha/software/emacs/src/emacs[0x5ff74f]
/home/micha/software/emacs/src/emacs[0x603025]
/home/micha/software/emacs/src/emacs[0x602aca]
/home/micha/software/emacs/src/emacs[0x604c80]
/home/micha/software/emacs/src/emacs[0x604890]
/home/micha/software/emacs/src/emacs[0x64cc41]
/home/micha/software/emacs/src/emacs[0x60529c]
/home/micha/software/emacs/src/emacs[0x6048d4]
/home/micha/software/emacs/src/emacs[0x64cc41]
/home/micha/software/emacs/src/emacs[0x60529c]
/home/micha/software/emacs/src/emacs[0x6048d4]
/home/micha/software/emacs/src/emacs[0x5fc8f7]
/home/micha/software/emacs/src/emacs[0x604b87]
/home/micha/software/emacs/src/emacs[0x604890]
/home/micha/software/emacs/src/emacs[0x603cdb]
/home/micha/software/emacs/src/emacs[0x5fcd7d]
/home/micha/software/emacs/src/emacs[0x604cac]
/home/micha/software/emacs/src/emacs[0x604890]
/home/micha/software/emacs/src/emacs[0x64cc41]
/home/micha/software/emacs/src/emacs[0x60529c]
/home/micha/software/emacs/src/emacs[0x6048d4]
/home/micha/software/emacs/src/emacs[0x6042a0]
/home/micha/software/emacs/src/emacs[0x55ec02]
/home/micha/software/emacs/src/emacs[0x6013b2]
/home/micha/software/emacs/src/emacs[0x55e151]
/home/micha/software/emacs/src/emacs[0x600c94]
...
During startup program terminated with signal SIGSEGV, Segmentation fault.
(gdb) bt
No stack.
(gdb) xbacktrace
You can't do that without a process to debug.
(gdb) 


Thanks,

Michael.