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bug#61940: 29.0.60; Occasional crash when moving point continously with
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From: |
Po Lu |
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Subject: |
bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers |
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Date: |
Mon, 06 Mar 2023 21:34:06 +0800 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
Simon Pugnet <simon@polaris64.net> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>>> From: Simon Pugnet <simon@polaris64.net>
>>> Cc: 61940@debbugs.gnu.org
>>> Date: Mon, 06 Mar 2023 11:53:27 +0000
>>> I managed to trigger this situation again this morning while
>>> working. Unfortunately I was unable to trigger it while it was
>>> being debugged in gdb; the problem occurs rarely so it's not easy
>>> to reproduce on demand.
>>
>> You can simply run Emacs under GDB at all times. As long as Emacs
>> runs normally, GDB will stay out of the way.
>
> OK, I'm doing that now as we speak.
>
> I think however I've found the culprit: ibus. I noticed that after
> this issue occurred and I ended the Emacs process, the compose key
> would no longer work in many applications (it still worked in Firefox
> however). Also Emacs seemed to be behaving normally again; I wasn't
> getting those pauses where keys were getting jumbled any more. I took
> a look at the system journal and saw this: -
The Compose key is handled by ibus in most programs, but AFAIK Firefox
does something else. So I'm not surprised.
> Mar 06 11:29:46 palenque systemd[1]: Started Process Core Dump (PID
> 143076/UID 0).
> Mar 06 11:29:46 palenque systemd-coredump[143078]: [🡕] Process 1397
> (ibus-x11) of user 1000 dumped core.
>
> Stack trace of
> thread 1397:
> #0
> 0x00007f8b611bd8ec
> n/a (libc.so.6 +
> 0x878ec)
> #1
> 0x00007f8b6116eea8
> raise (libc.so.6 +
> 0x38ea8)
> #2
> 0x00007f8b6115853d
> abort (libc.so.6 +
> 0x2253d)
> #3
> 0x00007f8b6115929e
> n/a (libc.so.6 +
> 0x2329e)
> #4
> 0x00007f8b611c7657
> n/a (libc.so.6 +
> 0x91657)
> #5
> 0x00007f8b611c9442
> n/a (libc.so.6 +
> 0x93442)
> #6
> 0x00007f8b611cbe63
> __libc_free
> (libc.so.6 +
> 0x95e63)
> #7
> 0x00007f8b6135f94e
> XFree (libX11.so.6
> + 0x4294e)
> #8
> 0x00005570719e4311
> n/a (ibus-x11 +
> 0xe311)
> #9
> 0x00005570719e619a
> n/a (ibus-x11 +
> 0x1019a)
> #10
> 0x00007f8b61e8159e
> n/a (libgdk-3.so.0
> + 0x8b59e)
> #11
> 0x00007f8b61e27029
> gdk_display_get_event
> (libgdk-3.so.0 +
> 0x31029)
> #12
> 0x00007f8b61e81a68
> n/a (libgdk-3.so.0
> + 0x8ba68)
> #13
> 0x00007f8b614b582b
> g_main_context_dispatch
> (libglib-2.0.so.0 +
> 0x5582b)
> #14
> 0x00007f8b6150ccc9
> n/a
> (libglib-2.0.so.0 +
> 0xaccc9)
> #15
> 0x00007f8b614b4d8f
> g_main_loop_run
> (libglib-2.0.so.0 +
> 0x54d8f)
> #16
> 0x00007f8b61f262b2
> ibus_main
> (libibus-1.0.so.5 +
> 0x372b2)
> #17
> 0x00005570719d9505
> n/a (ibus-x11 +
> 0x3505)
> #18
> 0x00007f8b61159790
> n/a (libc.so.6 +
> 0x23790)
> #19
> 0x00007f8b6115984a
> __libc_start_main
> (libc.so.6 +
> 0x2384a)
> #20
> 0x00005570719d96f5
> n/a (ibus-x11 +
> 0x36f5)
>
> Stack trace of
> thread 1415:
> #0
> 0x00007f8b612309df
> __poll (libc.so.6 +
> 0xfa9df)
> #1
> 0x00007f8b6150cc2f
> n/a
> (libglib-2.0.so.0 +
> 0xacc2f)
> #2
> 0x00007f8b614b4d8f
> g_main_loop_run
> (libglib-2.0.so.0 +
> 0x54d8f)
> #3
> 0x00007f8b61072aec
> n/a
> (libgio-2.0.so.0 +
> 0x10aaec)
> #4
> 0x00007f8b614e2db5
> n/a
> (libglib-2.0.so.0 +
> 0x82db5)
> #5
> 0x00007f8b611bbbb5
> n/a (libc.so.6 +
> 0x85bb5)
> #6
> 0x00007f8b6123dd90
> n/a (libc.so.6 +
> 0x107d90)
>
> Stack trace of
> thread 1412:
> #0
> 0x00007f8b612309df
> __poll (libc.so.6 +
> 0xfa9df)
> #1
> 0x00007f8b6150cc2f
> n/a
> (libglib-2.0.so.0 +
> 0xacc2f)
> #2
> 0x00007f8b614b40e2
> g_main_context_iteration
> (libglib-2.0.so.0 +
> 0x540e2)
> #3
> 0x00007f8b614b4132
> n/a
> (libglib-2.0.so.0 +
> 0x54132)
> #4
> 0x00007f8b614e2db5
> n/a
> (libglib-2.0.so.0 +
> 0x82db5)
> #5
> 0x00007f8b611bbbb5
> n/a (libc.so.6 +
> 0x85bb5)
> #6
> 0x00007f8b6123dd90
> n/a (libc.so.6 +
> 0x107d90)
> ELF object binary
> architecture: AMD
> x86-64
> Mar 06 11:29:46 palenque systemd[1]:
> systemd-coredump@1-143076-0.service: Deactivated successfully.
>
> I debugged the dumped core and ran "thread apply all bt", this was the
> result: -
>
> Thread 3 (Thread 0x7f8b5cfff6c0 (LWP 1412)):
> warning: Section `.reg-xstate/1412' in core file too small.
> #0 0x00007f8b612309df in __GI___poll (fds=0x557071c51f00, nfds=2,
> timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
> #1 0x00007f8b6150cc2f in g_main_context_poll (priority=<optimized
> out>, n_fds=2, fds=0x557071c51f00, timeout=<optimized out>,
> context=0x557071c53eb0) at ../glib/glib/gmain.c:4553
> #2 g_main_context_iterate.constprop.0 (context=0x557071c53eb0,
> block=1, dispatch=1, self=<optimized out>) at
> ../glib/glib/gmain.c:4243
> #3 0x00007f8b614b40e2 in g_main_context_iteration
> (context=0x557071c53eb0, may_block=may_block@entry=1) at
> ../glib/glib/gmain.c:4313
> #4 0x00007f8b614b4132 in glib_worker_main (data=<optimized out>) at
> ../glib/glib/gmain.c:6416
> #5 0x00007f8b614e2db5 in g_thread_proxy (data=0x557071c47b00) at
> ../glib/glib/gthread.c:831
> #6 0x00007f8b611bbbb5 in start_thread (arg=<optimized out>) at
> pthread_create.c:444
> #7 0x00007f8b6123dd90 in clone3 () at
> ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
>
> Thread 2 (Thread 0x7f8b57fff6c0 (LWP 1415)):
> warning: Section `.reg-xstate/1415' in core file too small.
> #0 0x00007f8b612309df in __GI___poll (fds=0x557071c646d0, nfds=3,
> timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
> #1 0x00007f8b6150cc2f in g_main_context_poll (priority=<optimized
> out>, n_fds=3, fds=0x557071c646d0, timeout=<optimized out>,
> context=0x557071c62bf0) at ../glib/glib/gmain.c:4553
> #2 g_main_context_iterate.constprop.0 (context=0x557071c62bf0,
> block=1, dispatch=1, self=<optimized out>) at
> ../glib/glib/gmain.c:4243
> #3 0x00007f8b614b4d8f in g_main_loop_run (loop=0x557071c62ce0) at
> ../glib/glib/gmain.c:4448
> #4 0x00007f8b61072aec in gdbus_shared_thread_func
> (user_data=0x557071c62bc0) at ../glib/gio/gdbusprivate.c:284
> #5 0x00007f8b614e2db5 in g_thread_proxy (data=0x557071c5c640) at
> ../glib/glib/gthread.c:831
> #6 0x00007f8b611bbbb5 in start_thread (arg=<optimized out>) at
> pthread_create.c:444
> #7 0x00007f8b6123dd90 in clone3 () at
> ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
>
> Thread 1 (Thread 0x7f8b5fd45980 (LWP 1397)):
> #0 __pthread_kill_implementation (threadid=<optimized out>,
> signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
> #1 0x00007f8b611bd953 in __pthread_kill_internal (signo=6,
> threadid=<optimized out>) at pthread_kill.c:78
> #2 0x00007f8b6116eea8 in __GI_raise (sig=sig@entry=6) at
> ../sysdeps/posix/raise.c:26
> #3 0x00007f8b6115853d in __GI_abort () at abort.c:79
> #4 0x00007f8b6115929e in __libc_message (fmt=fmt@entry=0x7f8b612d077e
> "%s\n") at ../sysdeps/posix/libc_fatal.c:150
> #5 0x00007f8b611c7657 in malloc_printerr
> (str=str@entry=0x7f8b612d3590 "double free or corruption (fasttop)")
> at malloc.c:5651
> #6 0x00007f8b611c9442 in _int_free (av=0x7f8b6130eaa0 <main_arena>,
> p=0x557071d50da0, have_lock=have_lock@entry=0) at malloc.c:4525
> #7 0x00007f8b611cbe63 in __GI___libc_free
> (mem=mem@entry=0x557071d50db0) at malloc.c:3367
> #8 0x00007f8b6135f94e in XFree (data=data@entry=0x557071d50db0) at
> /usr/src/debug/libx11/libX11-1.8.4/src/XlibInt.c:1633
> #9 0x00005570719e4311 in ProcessQueue (connect_id=4,
> ims=0x557071e82e50) at ../../util/IMdkit/i18nPtHdr.c:1762
> #10 _Xi18nMessageHandler (ims=ims@entry=0x557071e82e50, connect_id=4,
> p=p@entry=0x557071db6ab0 ">", delete=delete@entry=0x7ffe74734f84) at
> ../../util/IMdkit/i18nPtHdr.c:1923
> #11 0x00005570719e619a in WaitXIMProtocol (dpy=<optimized out>,
> win=<optimized out>, ev=<optimized out>, client_data=0x557071e82e50 "
> \t\237qpU") at ../../util/IMdkit/i18nX.c:524
> #12 0x00007f8b61e8159e in _gdk_x11_display_queue_events
> (display=0x557071bfe0e0) at ../gtk/gdk/x11/gdkeventsource.c:337
> #13 0x00007f8b61e27029 in gdk_display_get_event
> (display=0x557071bfe0e0) at ../gtk/gdk/gdkdisplay.c:442
> #14 0x00007f8b61e81a68 in gdk_event_source_dispatch.lto_priv () at
> ../gtk/gdk/x11/gdkeventsource.c:354
> #15 0x00007f8b614b582b in g_main_dispatch (context=0x557071c27d20) at
> ../glib/glib/gmain.c:3454
> #16 g_main_context_dispatch (context=0x557071c27d20) at
> ../glib/glib/gmain.c:4172
> #17 0x00007f8b6150ccc9 in g_main_context_iterate.constprop.0
> (context=0x557071c27d20, block=1, dispatch=1, self=<optimized out>)
> at ../glib/glib/gmain.c:4248
> #18 0x00007f8b614b4d8f in g_main_loop_run (loop=0x557071d975e0) at
> ../glib/glib/gmain.c:4448
> #19 0x00007f8b61f262b2 in ibus_main () at
> /usr/src/debug/ibus/ibus-1.5.28/src/ibusshare.c:327
> #20 0x00005570719d9505 in main (argc=<optimized out>, argv=<optimized
> out>) at /usr/src/debug/ibus/ibus-1.5.28/client/x11/main.c:1416
>
>
> So to summarise, I am getting these issues in Emacs while IBus is
> being used as my input method. The IBus crash seems to cause Emacs to
> hang. Once IBus is no longer running Emacs appears to run normally
> again. So it looks like this might be an IBus issue rather than an
> Emacs issue, but that's just my best guess from the above.
Please report this to the I-Bus developers. As for the Xlib lock-up,
complain to Fujitsu, who wrote the present XIM implementation in Xlib.
To not use XIM, place:
Emacs.useXIM: false
in your ~/.Xresources or ~/.Xdefaults, and do the usual thing with xrdb
to install the resources.
Thanks.
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/03
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Eli Zaretskii, 2023/03/03
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/03
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Eli Zaretskii, 2023/03/03
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/06
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Eli Zaretskii, 2023/03/06
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/06
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers,
Po Lu <=
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/06
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/08
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Eli Zaretskii, 2023/03/08
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Po Lu, 2023/03/06
- bug#61940: 29.0.60; Occasional crash when moving point continously with visual line numbers, Simon Pugnet, 2023/03/06