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20 hours ago •
emacs-exwm
emacs-exwm
exwm-xim issues
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I can't figure out what's wrong with exwm-xim: after enabling it doesn't work at all in qt apps, and causes random freezes on key press in GTK apps, I tried to collect a trace after pressing a key:
9210 70% - xcb:-connection-filter
9208 70% - xcb:-process-events
9208 70% - apply
9205 70% - #<compiled -0x5404a03a9d5b3a3>
9151 69% - exwm-xim--on-ClientMessage
6421 49% - exwm-xim--on-request
6036 46% - exwm-xim--handle-forward-event-request
4774 36% - exwm-xim--make-request
2298 17% - exwm--intern-atom
1727 13% - xcb:-+reply
1727 13% - apply
1711 13% - #<compiled 0x19a7cc8d7ca81a95>
513 3% - xcb:-process-events
511 3% - apply
495 3% - #<compiled -0x5404a03a9d5b3a3>
348 2% + exwm--on-PropertyNotify
45 0% + slot-value
21 0% + eieio-oset
18 0% + #<compiled 0x1bfc343501b5b7d7>
1 0% + exwm-input--on-KeyPress
219 1% + accept-process-output
214 1% + xcb:flush
202 1% + xcb:unmarshal
68 0% + slot-value
56 0% + make-instance
47 0% + run-with-timer
43 0% + eieio-oref
34 0% + #<compiled 0x1bfc343501746c97>
9 0% + eieio-oset
5 0% + #<compiled 0x1e1cf2ecdf0e9d2>
469 3% + xcb:-+request-unchecked
88 0% + make-instance
7 0% + slot-value
1136 8% + xcb:-+request
881 6% + xcb:marshal
443 3% + make-instance
527 4% + xcb:unmarshal
216 1% + xcb:keysyms:keycode->keysym
211 1% + make-instance
145 1% + xcb:flush
108 0% + slot-value
14 0% + eieio-oset
7 0% + xcb:keysyms:keysym->event
285 2% + xcb:unmarshal
64 0% + make-instance
1305 9% + xcb:-+reply
721 5% + xcb:unmarshal
391 2% + xcb:-+request-unchecked
203 1% + make-instance
87 0% + slot-value
21 0% + slot-value
11 0% + eieio-oset
8 0% + exwm--on-PropertyNotify
3 0% + exwm-input--on-ButtonPress
1 0% + exwm-randr--on-ConfigureNotify
1 0% exwm--on-ClientMessage
2 0% + eieio-oset
So emacs freezes for several seconds after any key pressed, though the right character is printed in the end. As for qt apps - input method just doesn't affect them. Where should I look for the root cause?
Also, I recorded a log of the process:
[00:11:26]exwm-input--on-buffer-list-update: current-buffer=#<buffer Navigator:Mozilla Firefox> selected-window=#<window 12 on Navigator:Mozilla Firefox>
[00:11:26]exwm-layout--refresh: frame=#<frame Navigator:Mozilla Firefox 0x559c50375150>
[00:11:26]exwm-layout--refresh-workspace: Refresh workspace #<frame Navigator:Mozilla Firefox 0x559c50375150>
[00:11:26]exwm-layout--show: Show #x2a0002c in #<window 12 on Navigator:Mozilla Firefox>
[00:11:26]exwm--set-geometry: Setting #x2a0002c to 1720x1398+2560+0
[00:11:26]exwm-layout--set-state: id=#x2a0002c
[00:11:26]exwm-layout--set-client-list-stacking:
[00:11:26]exwm-layout--refresh: frame=#<frame Navigator:Mozilla Firefox 0x559c50375150>
[00:11:26]exwm-layout--refresh-workspace: Refresh workspace #<frame Navigator:Mozilla Firefox 0x559c50375150>
[00:11:26]exwm-layout--show: Show #x2a0002c in #<window 12 on Navigator:Mozilla Firefox>
[00:11:26]exwm--set-geometry: Setting #x2a0002c to 1720x1398+2560+0
[00:11:26]exwm-layout--set-state: id=#x2a0002c
[00:11:26]exwm-layout--set-client-list-stacking:
[00:11:26]exwm-input--update-focus: focus-window=#<window 12 on Navigator:Mozilla Firefox> focus-buffer=Navigator:Mozilla Firefox
[00:11:26]exwm-input--update-focus: Set focus on #x2a0002c
[00:11:26]exwm-randr--on-ConfigureNotify:
[00:11:26]exwm--on-PropertyNotify: atom=WM_STATE(391)
[00:11:26]exwm--on-PropertyNotify: Unhandled: WM_STATE(391)
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:26]exwm--on-PropertyNotify: atom=_NET_WM_STATE(344)
[00:11:26]exwm--on-PropertyNotify: Unhandled: _NET_WM_STATE(344)
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:26]exwm--on-PropertyNotify: atom=WM_STATE(391)
[00:11:26]exwm--on-PropertyNotify: Unhandled: WM_STATE(391)
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:26]exwm--on-PropertyNotify: atom=_NET_WM_STATE(344)
[00:11:26]exwm--on-PropertyNotify: Unhandled: _NET_WM_STATE(344)
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:26]exwm-input--set-focus: #x1a00018 (corrected) => #x2a0002c
[00:11:26]exwm-input--update-timestamp:
[00:11:26]exwm--on-PropertyNotify: atom=_TIME(563)
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:26]exwm-input--set-active-window:
[00:11:26]exwm-xim--on-ClientMessage:
[00:11:26]exwm-xim--on-request:
[00:11:26]exwm-xim--on-request: SET-IC-FOCUS
[00:11:26]exwm--on-PropertyNotify: atom=WM_HINTS(35)
[00:11:26]exwm--update-hints: #x2a0002c
[00:11:26]exwm-input--on-PropertyNotify:
[00:11:27]exwm--on-PropertyNotify: atom=WM_NAME(39)
[00:11:27]exwm--update-ctext-title: #x1800015
[00:11:27]exwm-input--on-PropertyNotify:
[00:11:27]exwm--on-PropertyNotify: atom=_NET_WM_NAME(341)
[00:11:27]exwm--update-utf8-title: #x1800015
[00:11:27]exwm-input--on-PropertyNotify:
[00:11:27]exwm--on-PropertyNotify: atom=WM_NAME(39)
[00:11:27]exwm--update-ctext-title: #x1800015
[00:11:27]exwm-input--on-PropertyNotify:
[00:11:27]exwm--on-PropertyNotify: atom=_NET_WM_NAME(341)
[00:11:27]exwm--update-utf8-title: #x1800015
[00:11:27]exwm-input--on-buffer-list-update: current-buffer=#<buffer Navigator:Mozilla Firefox> selected-window=#<window 12 on Navigator:Mozilla Firefox>
[00:11:27]exwm-input--update-focus: focus-window=#<window 12 on Navigator:Mozilla Firefox> focus-buffer=Navigator:Mozilla Firefox
[00:11:27]exwm-input--update-focus: Set focus on #x2a0002c
[00:11:27]exwm-input--set-focus: #x2a0002c (corrected) => #x2a0002c
[00:11:28]exwm-input--on-KeyPress: major-mode=exwm-mode buffer=Navigator:Mozilla Firefox
[00:11:28]exwm-input--on-KeyPress-line-mode: (102 . 3)
[00:11:28]exwm-input--mimic-read-event:
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-input--on-buffer-list-update: current-buffer=#<buffer *temp*-708500> selected-window=#<window 12 on Navigator:Mozilla Firefox>
[00:11:28]exwm-xim--make-request:
[00:11:28]exwm--on-PropertyNotify: atom=_NET_WM_USER_TIME(367)
[00:11:28]exwm-input--on-PropertyNotify:
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-xim--make-request:
[00:11:28]exwm-input--update-focus: focus-window=#<window 12 on Navigator:Mozilla Firefox> focus-buffer=Navigator:Mozilla Firefox
[00:11:28]exwm-input--update-focus: Set focus on #x2a0002c
[00:11:28]exwm-input--set-focus: #x2a0002c (corrected) => #x2a0002c
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-xim--make-request:
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-xim--make-request:
[ ... repeated 172 times ... ]
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-xim--make-request:
[00:11:28]exwm-input--on-buffer-list-update: current-buffer=#<buffer *XELB-DEBUG*> selected-window=#<window 76 on *XELB-DEBUG*>
[00:11:28]exwm-layout--refresh: frame=#<frame *XELB-DEBUG* 0x559c50375150>
[00:11:28]exwm-layout--refresh-workspace: Refresh workspace #<frame *XELB-DEBUG* 0x559c50375150>
[00:11:28]exwm-layout--show: Show #x2a0002c in #<window 12 on Navigator:Mozilla Firefox>
[00:11:28]exwm--set-geometry: Setting #x2a0002c to 1720x1400+2560+0
[00:11:28]exwm-layout--set-state: id=#x2a0002c
[00:11:28]exwm-layout--set-client-list-stacking:
[00:11:28]exwm-layout--refresh: frame=#<frame *XELB-DEBUG* 0x559c50375150>
[00:11:28]exwm-layout--refresh-workspace: Refresh workspace #<frame *XELB-DEBUG* 0x559c50375150>
[00:11:28]exwm-layout--show: Show #x2a0002c in #<window 12 on Navigator:Mozilla Firefox>
[00:11:28]exwm--set-geometry: Setting #x2a0002c to 1720x1400+2560+0
[00:11:28]exwm-layout--set-state: id=#x2a0002c
[00:11:28]exwm-layout--set-client-list-stacking:
[00:11:28]exwm-input--update-focus: focus-window=#<window 76 on *XELB-DEBUG*> focus-buffer=*XELB-DEBUG*
[00:11:28]exwm-input--update-focus: Focus on #<window 76 on *XELB-DEBUG*>
[00:11:28]exwm-input--set-active-window:
[00:11:28]exwm-randr--on-ConfigureNotify:
[00:11:28]exwm--on-PropertyNotify: atom=WM_STATE(391)
[00:11:28]exwm--on-PropertyNotify: Unhandled: WM_STATE(391)
[00:11:28]exwm-input--on-PropertyNotify:
[00:11:28]exwm--on-PropertyNotify: atom=_NET_WM_STATE(344)
[00:11:28]exwm--on-PropertyNotify: Unhandled: _NET_WM_STATE(344)
[00:11:28]exwm-input--on-PropertyNotify:
[00:11:28]exwm--on-PropertyNotify: atom=WM_STATE(391)
[00:11:28]exwm--on-PropertyNotify: Unhandled: WM_STATE(391)
[00:11:28]exwm-input--on-PropertyNotify:
[00:11:28]exwm--on-PropertyNotify: atom=_NET_WM_STATE(344)
[00:11:28]exwm--on-PropertyNotify: Unhandled: _NET_WM_STATE(344)
[00:11:28]exwm-input--on-PropertyNotify:
[00:11:28]exwm--on-ClientMessage: atom=_NET_ACTIVE_WINDOW(333) id=#x1400ec4 data=(1 8676642 0 0 0)
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: FORWARD-EVENT
[00:11:28]exwm-xim--make-request:
[00:11:28]exwm-xim--on-ClientMessage:
[00:11:28]exwm-xim--on-request:
[00:11:28]exwm-xim--on-request: UNSET-IC-FOCUS
[00:11:28]exwm-input--on-buffer-list-update: current-buffer=#<buffer *XELB-DEBUG*> selected-window=#<window 76 on *XELB-DEBUG*>
[00:11:28]exwm-input--update-focus: focus-window=#<window 76 on *XELB-DEBUG*> focus-buffer=*XELB-DEBUG*
[00:11:28]exwm-input--update-focus: Focus on #<window 76 on *XELB-DEBUG*>
[00:11:28]exwm-input--set-active-window:
[00:11:28]exwm--on-ClientMessage: atom=_NET_ACTIVE_WINDOW(333) id=#x1400ec4 data=(1 8676647 20975300 0 0)
[00:11:30]exwm--on-PropertyNotify: atom=WM_NAME(39)
[00:11:30]exwm--update-ctext-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
[00:11:30]exwm--on-PropertyNotify: atom=_NET_WM_NAME(341)
[00:11:30]exwm--update-utf8-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
[00:11:30]exwm--on-PropertyNotify: atom=WM_NAME(39)
[00:11:30]exwm--update-ctext-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
[00:11:30]exwm--on-PropertyNotify: atom=_NET_WM_NAME(341)
[00:11:30]exwm--update-utf8-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
[00:11:30]exwm--on-PropertyNotify: atom=WM_NAME(39)
[00:11:30]exwm--update-ctext-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
[00:11:30]exwm--on-PropertyNotify: atom=_NET_WM_NAME(341)
[00:11:30]exwm--update-utf8-title: #x1800015
[00:11:30]exwm-input--on-PropertyNotify:
The loop inside on-ClientMessage/on-request continues for quite a long time which looks like freeze.
And found an interesting fact: if I press a key, and then switch to another buffer, the loop of exwm-xim--on-ClientMessage/exwm-xim--on-request: FORWARD-EVENT/exwm-xim--make-request stops, and the character is typed immediately.
So I think the issue might be somewhere in request processing.
Actually, I'm not sure if that issue is related. But if you don't mind, do you test #32 anyways?
The bug is confirmed in upstream as well: https://gitlab.freedesktop.org/xorg/lib/libx11/-/issues/205