Crash: read_process_output

[Reiner Steib]

M-x report-emacs-bug RET wrote:
> If emacs crashed, and you have the emacs process in the gdb debugger,
> please include the output from the following gdb commands:
>     `bt full' and `xbacktrace'.
> If you would like to further debug the crash, please read the file
> /import/xtra/emacs/HEAD/share/emacs/22.0.50/etc/DEBUG for instructions.

--8<---------------cut here---------------start------------->8---
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 182940272320 (LWP 21178)]
0x0000002a974621ff in bcopy () from /lib64/tls/libc.so.6
(gdb) xbacktrace 
(gdb) bt
#0  0x0000002a974621ff in bcopy () from /lib64/tls/libc.so.6
#1  0x00000000028731d8 in ?? ()
#2  0x0000000000605720 in read_process_output (proc=38074996, channel=Variable 
"channel" is not available.
)
    at [...]/cvs-HEAD/emacs/src/process.c:5071
#3  0x00000000006069c9 in status_notify (deleting_process=0x0)
    at [...]/cvs-HEAD/emacs/src/process.c:6571
#4  0x000000000060da97 in wait_reading_process_output (time_limit=30, 
    microsecs=0, read_kbd=-1, do_display=1, wait_for_cell=10832881, 
    wait_proc=0x0, just_wait_proc=0)
    at [...]/cvs-HEAD/emacs/src/process.c:4364
#5  0x000000000044c6f1 in sit_for (sec=30, usec=0, reading=1, display=1, 
    initial_display=0)
    at [...]/cvs-HEAD/emacs/src/dispnew.c:6423
#6  0x0000000000544653 in read_char (commandflag=1, nmaps=5, 
    maps=0x7fbfffd4d0, prev_event=10832881, used_mouse_menu=0x7fbfffd564)
    at [...]/cvs-HEAD/emacs/src/keyboard.c:2777
#7  0x00000000005481eb in read_key_sequence (keybuf=0x7fbfffd700, bufsize=30, 
    prompt=10832881, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1)
    at [...]/cvs-HEAD/emacs/src/keyboard.c:8874
#8  0x000000000054ba22 in command_loop_1 ()
    at [...]/cvs-HEAD/emacs/src/keyboard.c:1536
#9  0x00000000005c4951 in internal_condition_case (
    bfun=0x54b760 <command_loop_1>, handlers=10926369, 
    hfun=0x542280 <cmd_error>)
    at [...]/cvs-HEAD/emacs/src/eval.c:1465
#10 0x00000000005410aa in command_loop_2 ()
    at [...]/cvs-HEAD/emacs/src/keyboard.c:1328
#11 0x00000000005c4aa0 in internal_catch (tag=Variable "tag" is not available.
)
    at [...]/cvs-HEAD/emacs/src/eval.c:1211
#12 0x0000000000541ca8 in command_loop ()
    at [...]/cvs-HEAD/emacs/src/keyboard.c:1307
#13 0x0000000000541d41 in recursive_edit_1 ()
    at [...]/cvs-HEAD/emacs/src/keyboard.c:1000
#14 0x0000000000541ee0 in Frecursive_edit ()
    at [...]/cvs-HEAD/emacs/src/keyboard.c:1061
#15 0x0000000000531b06 in main (argc=3, argv=0x7fbfffdf88)
    at [...]/cvs-HEAD/emacs/src/emacs.c:1789
(gdb) list
1789      Frecursive_edit ();
1790      /* NOTREACHED */
1791      return 0;
1792    }
1793    ^L
1794    /* Sort the args so we can find the most important ones
1795       at the beginning of argv.  */
1796
1797    /* First, here's a table of all the standard options.  */
1798
(gdb) bt full
#0  0x0000002a974621ff in bcopy () from /lib64/tls/libc.so.6
No symbol table info available.
#1  0x00000000028731d8 in ?? ()
No symbol table info available.
#2  0x0000000000605720 in read_process_output (proc=38074996, channel=Variable 
"channel" is not available.
)
    at [...]/cvs-HEAD/emacs/src/process.c:5071
        count = 2
        odeactivate = 10832881
        obuffer = Variable "obuffer" is not available.
--8<---------------cut here---------------end--------------->8---

If I can provide more information, please tell me which gdb commands I
should use.

> In GNU Emacs 22.0.50.11 (x86_64-unknown-linux-gnu, GTK+ Version 2.4.9)
>  of 2006-03-09 on bridgekeeper
> X server distributor `The X.Org Foundation', version 11.0.60801000
> configured using `configure '--prefix=/import/xtra/emacs/HEAD' '--with-gtk' 
> '--exec-prefix=/import/xtra/emacs/HEAD-x86_64''

Compiled using MYCPPFLAGS='-DENABLE_CHECKING=1'.

> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: POSIX
>   value of $LC_CTYPE: address@hidden
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: en_US
>   locale-coding-system: iso-8859-15
>   default-enable-multibyte-characters: t

Bye, Reiner.
-- 
       ,,,
      (o o)
---ooO-(_)-Ooo---  |  PGP key available  |  http://rsteib.home.pages.de/