2008/11/23 The Rasterman Carsten Haitzler <[EMAIL PROTECTED]>:
>
> it's atypical. trust me. i do NOT like segv's! if i see them, i hunt them down
> with vengeance. the problem is reproducing them and getting a sensible
> backtrace and possibly getting it to do the same in valgrind so i can pinpoint
> the real source of the segv (which often is not the actual segv point but
> earlier when something stomps over memory it shouldn't).
Do you know which process I should try to attach to? This is at the
point where enlightenment is displaying a dialog saying that it has
SEGV'd.
debian-gta02:~# ps waux | grep enlight
root 1308 0.3 5.1 19400 6488 ? S 22:49 0:07 enlightenment
root 1310 0.0 1.5 9668 1948 ? SNs 22:49 0:00
/opt/e/bin/enlightenment_fm
root 1311 0.0 0.3 1664 452 ? SN 22:49 0:00
/opt/e/lib/enlightenment/modules/illume/linux-gnueabi-armv4tl/wifiget
8
root 1316 0.0 0.9 4764 1224 ? SN 22:50 0:00
/opt/e/lib/enlightenment/modules/battery/linux-gnueabi-armv4tl/batget
32
root 1746 0.0 0.4 1716 600 pts/3 S+ 23:23 0:00 grep enlight
So far I tried 1308 and 1310, unfortunately both without much useful
information:
debian-gta02:~# gdb `which enlightenment`
...
(gdb) attach 1308
...
0x405f89c4 in select () from /lib/libc.so.6
(gdb) bt
#0 0x405f89c4 in select () from /lib/libc.so.6
#1 0x408c33d0 in ?? () from /usr/lib/libxcb.so.1
Cannot access memory at address 0x0
(gdb) info threads
1 Thread 0x40919d30 (LWP 1308) 0x405f89c4 in select () from /lib/libc.so.6
(gdb) detach
Detaching from program: /opt/e/bin/enlightenment, process 1308
(gdb) quit
debian-gta02:~# gdb /opt/e/bin/enlightenment_fm
...
(gdb) attach 1310
...
0x404f39c4 in select () from /lib/libc.so.6
(gdb) bt
#0 0x404f39c4 in select () from /lib/libc.so.6
#1 0x403e4cdc in _ecore_main_select (timeout=2.121995791459338e-314)
at ecore_main.c:355
#2 0x00000000 in ?? ()
(gdb) info thread
1 Thread 0x40919b90 (LWP 1310) 0x404f39c4 in select () from /lib/libc.so.6
(gdb) quit
The program is running. Quit anyway (and detach it)? (y or n) n
Not confirmed.
(gdb) detach
Detaching from program: /opt/e/bin/enlightenment_fm, process 1310
(gdb) quit
I'm afraid that's probably not much help. Is there something
straightforward I can do to find out more?
Regards,
Neil
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