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Re: emacs crashs when remote x-windows closes after make-frame-on-displa
From: |
Matan Ninio |
Subject: |
Re: emacs crashs when remote x-windows closes after make-frame-on-display even when other frame was closed due to assertion in xcd_xlib.c (!c->xlib.lock) |
Date: |
Mon, 24 Dec 2007 05:02:48 -0800 (PST) |
emacs: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
Program received signal SIGABRT, Aborted.
0xb7a547d6 in raise () from /lib/libc.so.6
(gdb) backtrace
#0 0xb7a547d6 in raise () from /lib/libc.so.6
#1 0xb7a560f1 in abort () from /lib/libc.so.6
#2 0xb7a4db50 in __assert_fail () from /lib/libc.so.6
#3 0xb7a256f4 in xcb_xlib_lock () from /usr/lib/libxcb-xlib.so.0
#4 0xb7cbc6cc in _XCBInitDisplayLock () from /usr/lib/libX11.so.6
#5 0xb7cb12f5 in XSync () from /usr/lib/libX11.so.6
#6 0x080c58e9 in x_catch_errors (dpy=0x8a25f40) at xterm.c:7572
#7 0x080c7187 in x_connection_closed (dpy=0x8a25f40,
error_message=0xbfac7550 "Connection lost to X server `:1.0'") at
xterm.c:7726
#8 0x080c747b in x_io_error_quitter (display=0x8a25f40) at xterm.c:7888
#9 0xb7cb59dd in _XIOError () from /usr/lib/libX11.so.6
#10 0xb7cbd1ba in _XReadPad () from /usr/lib/libX11.so.6
#11 0xb7cbd918 in _XEventsQueued () from /usr/lib/libX11.so.6
#12 0xb7ca69a3 in XPending () from /usr/lib/libX11.so.6
#13 0x080cb141 in XTread_socket (sd=0, expected=1, hold_quit=0xbfac8a70) at
xterm.c:7070
#14 0x080f3b50 in read_avail_input (expected=1) at keyboard.c:6843
#15 0x080f3d9a in handle_async_input () at keyboard.c:6989
#16 0x080f3f51 in input_available_signal (signo=29) at keyboard.c:7031
#17 <signal handler called>
#18 0xb7af5ff8 in ___newselect_nocancel () from /lib/libc.so.6
#19 0x08181f55 in select_wrapper (n=1, rfd=0x0, wfd=0xbfac8ff8, xfd=0x0,
tmo=0xbfac9128) at process.c:4225
#20 0x08184e23 in wait_reading_process_output (time_limit=30, microsecs=0,
read_kbd=-1, do_display=1, wait_for_cell=137472201, wait_proc=0x0,
just_wait_proc=0) at process.c:4594
#21 0x08053fe6 in sit_for (timeout=240, reading=1, do_display=1) at
dispnew.c:6579
#22 0x080f8fdb in read_char (commandflag=1, nmaps=2, maps=0xbfac93f0,
prev_event=137472201, used_mouse_menu=0xbfac9488, end_time=0x0) at
keyboard.c:2904
#23 0x080fabe5 in read_key_sequence (keybuf=0xbfac9534, bufsize=30,
prompt=137472201, dont_downcase_last=0, can_return_switch_frame=1,
fix_current_buffer=1) at keyboard.c:9135
#24 0x080fc6f3 in command_loop_1 () at keyboard.c:1618
#25 0x08152e20 in internal_condition_case (bfun=0x80fc560 <command_loop_1>,
handlers=137517657, hfun=0x80f7020 <cmd_error>) at eval.c:1481
#26 0x080f6473 in command_loop_2 () at keyboard.c:1329
#27 0x08152efa in internal_catch (tag=137510841, func=0x80f6450
<command_loop_2>, arg=137472201) at eval.c:1222
#28 0x080f6e5c in command_loop () at keyboard.c:1308
#29 0x080f71fa in recursive_edit_1 () at keyboard.c:1006
#30 0x080f72e6 in Frecursive_edit () at keyboard.c:1067
#31 0x080ed160 in main (argc=3, argv=0xbfac9bb4) at emacs.c:1762
(gdb)
Jan Djärv wrote:
>
>
> Can you put a break at the assertion position and get a backtrace when the
> assertion is hit?
>
> Jan D.
>
> Richard Stallman skrev:
>> Would someone please fix this, then ack?
>>
>> To: address@hidden
>> From: Matan Ninio <address@hidden>
>> Date: Mon, 15 Oct 2007 09:10:05 +0200
>> MIME-Version: 1.0
>> Content-Type: text/plain; charset=us-ascii
>> Subject: emacs crashs when remote x-windows closes after
>> make-frame-on-display even when other frame was closed due to
>> assertion in xcd_xlib.c (!c->xlib.lock)
>>
>>
>> Please write in English if possible, because the Emacs maintainers
>> usually do not have translators to read other languages for them.
>>
>> Your bug report will be posted to the address@hidden mailing list,
>> and to the gnu.emacs.bug news group.
>>
>> Please describe exactly what actions triggered the bug
>> and the precise symptoms of the bug:
>>
>> open emacs in X, make frame on display to some other display (either
>> directly or via ssh -X -Y) with "make-frame-on-display". Close the
>> other frame. all still OK. close the other display (logout, kill X or
>> kill ssh link), and emacs will crash with:
>> emacs: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock' failed.
>>
>> Similar problems happened with other applications when the system moved
>> from xlib to xcb-xlib. This is probably due to strict checking of
>> actions that had been left unchecked in past versions of the library,
>> and therefor should be considered an Emacs bug rather then a library
>> bug.
>>
>>
>> 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
>> /usr/share/emacs/22.1/etc/DEBUG for instructions.
>>
>>
>> In GNU Emacs 22.1.1 (i486-pc-linux-gnu, GTK+ Version 2.10.13)
>> of 2007-08-22 on raven, modified by Debian
>> Windowing system distributor `The X.Org Foundation', version
>> 11.0.10300000
>> configured using `configure '--build=i486-linux-gnu'
>> '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
>> '--libexecdir=/usr/lib' '--localstatedir=/var/lib'
>> '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes'
>> '--enable-locallisppath=/etc/emacs22:/etc/emacs:/usr/local/share/emacs/22.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.1/leim'
>> '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
>> 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN
>> -g -O2''
>>
>> Important settings:
>> value of $LC_ALL: nil
>> value of $LC_COLLATE: nil
>> value of $LC_CTYPE: nil
>> 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.UTF-8
>> locale-coding-system: utf-8
>> default-enable-multibyte-characters: t
>>
>> Major mode: Shell
>>
>> Minor modes in effect:
>> shell-dirtrack-mode: t
>> display-time-mode: t
>> icomplete-mode: t
>> show-paren-mode: t
>> tooltip-mode: t
>> mouse-wheel-mode: t
>> menu-bar-mode: t
>> file-name-shadow-mode: t
>> global-font-lock-mode: t
>> font-lock-mode: t
>> unify-8859-on-encoding-mode: t
>> utf-translate-cjk-mode: t
>> auto-compression-mode: t
>> column-number-mode: t
>> line-number-mode: t
>>
>> Recent input:
>> M-x r e p o r t SPC b <backspace> e m <tab> <retur
>> n>
>>
>> Recent messages:
>> Loading monk-fn-handler...done
>> Loading desktop...done
>> Loading edmacro...done
>> `pmwiki-multi-source': mmm-mode is not installed
>> Loading semantic-el...done
>> Customized for CSE-HUJI
>> Loading shell...done
>> Customized for CSE-HUJI
>> Loading ansi-color...done
>> Loading emacsbug...done
>>
>
>
> _______________________________________________
> Emacs-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/emacs-devel
>
>
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- Re: emacs crashs when remote x-windows closes after make-frame-on-display even when other frame was closed due to assertion in xcd_xlib.c (!c->xlib.lock),
Matan Ninio <=