From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Joe Corneli <joseph.corneli@hyperreal.enterprises>
Cc: 56869@debbugs.gnu.org
Subject: bug#56869: 29.0.50; segfault, "assertion 'GDK_IS_DEVICE (device)' failed"
Date: Sun, 21 Aug 2022 18:56:49 +0800 [thread overview]
Message-ID: <87mtbxlv9q.fsf@yahoo.com> (raw)
In-Reply-To: <875yilc40r.fsf@Proteus> (Joe Corneli's message of "Sun, 21 Aug 2022 10:57:56 +0100")
tags 56869 wontfix
thanks
Joe Corneli <joseph.corneli@hyperreal.enterprises> writes:
> OK, here’s the info:
>
> (gdb) p xev->sourceid
> $1 = 12
>
> $ xinput list
> ⎡ Virtual core pointer id=2 [master pointer (3)]
> ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
> ⎜ ↳ MSFT0001:01 06CB:CD64 Mouse id=11 [slave pointer (2)]
> ⎜ ↳ MSFT0001:01 06CB:CD64 Touchpad id=12 [slave pointer (2)]
> ⎣ Virtual core keyboard id=3 [master keyboard (2)]
> ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
> ↳ Power Button id=6 [slave keyboard (3)]
> ↳ Video Bus id=7 [slave keyboard (3)]
> ↳ Power Button id=8 [slave keyboard (3)]
> ↳ Sleep Button id=9 [slave keyboard (3)]
> ↳ Intel HID events id=13 [slave keyboard (3)]
> ↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)]
> ↳ Chicony USB2.0 Camera: Chicony id=10 [slave keyboard (3)]
>
>
> ... and another possible clue, which is that I’m running Touchpad
> Indicator, https://github.com/atareao/Touchpad-Indicator
>
> and I have it set up to disable the trackpad _while typing_. Perhaps
> the way it enables and disables the trackpad is currently interacting
> with Emacs in a glitchy way.
Right, I think I know what this is now. GTK fails to read information
about the trackpad due to it being disabled between the
XI_HierarchyChange event being sent and and it being handled. GTK then
segfaults trying to access a field in a device it doesn't know about.
This only shows up in Emacs, because most other GTK programs do not make
people rapidly alternate between trackpad and keyboard use.
I suggest using a build of Emacs without GTK. If you have to use GTK,
turn off '--with-xinput2', but as a result several features will no
longer work.
Thanks.
BTW, the quality of the GDK X11 backend has lately dropped to a very low
level. I'm going to push for the Emacs build to default to the Motif or
no-toolkit build instead.
next prev parent reply other threads:[~2022-08-21 10:56 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 13:08 bug#56869: 29.0.50; segfault, "assertion 'GDK_IS_DEVICE (device)' failed" Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-02 1:17 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-02 14:17 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-02 18:22 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-03 1:14 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-11 9:56 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-11 11:48 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-11 13:34 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-12 1:17 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-12 11:45 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-12 12:35 ` Eli Zaretskii
2022-08-12 13:23 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-14 11:21 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-12 12:36 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-14 11:18 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-15 14:00 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-16 0:58 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-16 10:14 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-16 10:52 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-16 14:36 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-17 13:47 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-18 2:38 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-18 13:20 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-19 1:42 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-21 9:57 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-21 10:56 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2022-08-21 11:00 ` Eli Zaretskii
2022-08-22 6:21 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-22 6:37 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-08-22 11:27 ` Eli Zaretskii
2022-08-22 12:59 ` Joe Corneli via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-09-03 9:13 ` Stefan Kangas
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