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emacs 21.3.50 crashes on erc-select


From: Eugeny Korekin
Subject: emacs 21.3.50 crashes on erc-select
Date: Tue, 27 May 2003 17:35:16 +0700 (NOVST)

Symptoms:

This is more detailed version of ealrier bugreport for the same issue.

I am using erc(http://sourceforge.net/projects/erc) as my irc client.

First, I start emacs through 'socksify emacs', cause I am because 
socks5 firewall, 'socksify' is from dante(http://www.inet.no/dante/).
I cannot check now, if emacs 21.3.50 , started without socksify crashes
or not, but emacs 21.3 does not crashes in the same cirumstances.

'M-x erc-select' to server irc.rinet.ru
'M-x erc-select' to server irc.freenode.net
(order of servers doesn't matters, emacs can crash after first
erc-select, rarely, but it crashes with nearly 100% probability
after second erc-select).
 
Before crash there is error in minibuffer:
"Error in process sentinel: SIGPIPE is raised on process <name
of process> closing it" or something similiar.  

last string of strace output before crash:
pid  1654] recvmsg(4, {msg_name(0)=NULL, 
msg_iov(1)=[{"\6\0\2438\23\374\346@@\0\0\0.\0\200\2\0\0\0\0\314\1l\2"..., 32}], 
msg_controllen=0, msg_flags=0}, 0) = 32
[pid  1654] poll([{fd=4, events=POLLIN}], 1, 0) = 0
[pid  1654] poll([{fd=4, events=POLLIN}], 1, 0) = 0
[pid  1654] getsockname(4, {sa_family=AF_UNIX, address@hidden, [2]) = 0
[pid  1654] sendmsg(4, {msg_name(0)=NULL, msg_iov(1)=[{"address@hidden", 16}], 
msg_controllen=0, msg_flags=0}, 0) = 16
[pid  1654] ioctl(4, FIONREAD, [0])     = 0
[pid  1654] poll([{fd=4, events=POLLIN}], 1, 0) = 0
[pid  1654] sigreturn()                 = ? (mask now [PIPE CHLD])
[pid  1654] gettimeofday({1054031175, 47431}, NULL) = 0
[pid  1654] gettimeofday({1054031175, 47502}, NULL) = 0
[pid  1654] select(6, [3 5], NULL, NULL, {1, 254045}) = 0 (Timeout)
[pid  1654] rt_sigprocmask(SIG_BLOCK, [IO], [PIPE CHLD], 8) = 0
[pid  1654] rt_sigprocmask(SIG_SETMASK, [PIPE CHLD], [PIPE CHLD IO], 8) = 0
[pid  1654] --- SIGSEGV (Segmentation fault) @ 0 (0) ---
[pid  1654] rt_sigaction(SIGSEGV, {SIG_DFL}, {0x810eca0, [], 
SA_RESTORER|SA_RESTART, 0x406596f8}, 8) = 0
[pid  1654] getpgrp()                   = 1654
[pid  1654] ioctl(0, TIOCGPGRP, [1653]) = 0
[pid  1654] kill(-1658, SIGHUP)         = 0
[pid  1654] kill(-1655, SIGHUP)         = 0
[pid  1654] open("/home/az/.emacs.d/auto-save-list/.saves-1654-reks.ftc.ru~", 
O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 6
[pid  1654] close(6)                    = 0
[pid  1654] rt_sigaction(SIGIO, {SIG_IGN}, {0x81187d0, [], 
SA_RESTORER|SA_RESTART, 0x406596f8}, 8) = 0
[pid  1654] rt_sigprocmask(SIG_UNBLOCK, [SEGV], [SEGV PIPE CHLD], 8) = 0
[pid  1654] getpid()                    = 1654
[pid  1654] kill(1654, SIGSEGV)         = 0
[pid  1654] --- SIGSEGV (Segmentation fault) @ 0 (0) ---
[pid  1667] <... select resumed> )      = 1 (in [9])
[pid  1667] recvmsg(9, 0xbfffaae0, 0)   = -1 ECONNRESET (Connection reset by 
peer)
[pid  1667] _exit(1)                    = ?
+++ killed by SIGSEGV (core dumped) +++

gdb's backtrace:
#0  0x40659771 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x40659771 in kill () from /lib/libc.so.6
#1  0x0810ed31 in fatal_error_signal (sig=1654) at emacs.c:384
#2  0x406596f8 in sigaction () from /lib/libc.so.6
#3  0x08087dad in sit_for (sec=30, usec=0, reading=1, display=1, 
initial_display=0)
    at dispnew.c:6247
#4  0x081146f0 in read_char (commandflag=1, nmaps=4, maps=0xbfffe560, 
prev_event=405713340, 
    used_mouse_menu=0xbfffe598) at keyboard.c:2723
#5  0x0811ad17 in read_key_sequence (keybuf=0xbfffe6c0, bufsize=30, 
prompt=405713340, 
    dont_downcase_last=0, can_return_switch_frame=1, fix_current_buffer=1) at 
keyboard.c:8718
#6  0x0811199d in command_loop_1 () at keyboard.c:1507
#7  0x0816d23d in internal_condition_case (bfun=0x8111820 <command_loop_1>, 
handlers=405810020, 
    hfun=0x81113d0 <cmd_error>) at eval.c:1333
#8  0x081116cb in command_loop_2 () at keyboard.c:1295
#9  0x0816cdba in internal_catch (tag=0, func=0x81116b0 <command_loop_2>, 
arg=405713340)
    at eval.c:1094
#10 0x08111681 in command_loop () at keyboard.c:1274
#11 0x08111182 in recursive_edit_1 () at keyboard.c:990
#12 0x08111299 in Frecursive_edit () at keyboard.c:1046
#13 0x0810fb18 in main (argc=1, argv=0xbfffec94) at emacs.c:1666
#14 0x406484d2 in __libc_start_main () from /lib/libc.so.6

In GNU Emacs 21.3.50.2 (i686-pc-linux-gnu)
 of 2003-05-27 on reks
configured using `configure '--with-gtk''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: ru_RU.KOI8-R
  value of $LC_CTYPE: ru_RU.KOI8-R
  value of $LC_MESSAGES: C
  value of $LC_MONETARY: ru_RU.KOI8-R
  value of $LC_NUMERIC: ru_RU.KOI8-R
  value of $LC_TIME: C
  value of $LANG: ru_RU.KOI8-R
  locale-coding-system: cyrillic-koi8
  default-enable-multibyte-characters: t

Recent input:
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
<report-emacs-bug>

Recent messages:
Source file `/usr/local/share/emacs/21.3.50/lisp/sort.el' newer than 
byte-compiled file
Loading modules-init.el (source)...done
Loading /home/az/.session...done
Loading flyspell...
Source file `/usr/local/share/emacs/21.3.50/lisp/textmodes/ispell.el' newer 
than byte-compiled file
Loading flyspell...done
Starting new Ispell process...
Loading emacsbug...
Source file `/usr/local/share/emacs/21.3.50/lisp/mail/sendmail.el' newer than 
byte-compiled file
Loading emacsbug...done




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