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From: Pip Cet <pipcet@gmail.com>
To: Robert Pluim <rpluim@gmail.com>
Cc: 43177@debbugs.gnu.org, Alexander Shukaev <emacs@alexander.shukaev.name>
Subject: bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1'
Date: Thu, 3 Sep 2020 07:42:01 +0000	[thread overview]
Message-ID: <CAOqdjBeWS_yLHMMAEy_WWGaQ=tBMxTdL6PNhUrZ555tHqc6vUw@mail.gmail.com> (raw)
In-Reply-To: <m2y2lr2uaw.fsf@gmail.com>

On Thu, Sep 3, 2020 at 7:33 AM Robert Pluim <rpluim@gmail.com> wrote:
>
> >>>>> On Thu, 3 Sep 2020 09:18:53 +0200, Alexander Shukaev <emacs@Alexander.Shukaev.name> said:
>
>     Alexander> Hi,
>     Alexander> With latest Emacs, I have a sporadic hang issue when either opening a
>     Alexander> file or scrolling a buffer.  The best part is that it's impossible to
>     Alexander> get break back to evaluation loop of Emacs even with 'USR2'
>     Alexander> signal. That is when 'USR2' is sent, it does show "Entering
>     Alexander> debugger...", though it remains frozen afterwards.  Resending 'USR2'
>     Alexander> leads to the same outcome.  One thing is for certain, every time
>     Alexander> 'USR2' is sent into such a hang, the stack traceback leads to
>     Alexander> `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1':
>
> If you've still got this in gdb, can you go to frame #6 and do
>
> pp entity
>
> (this is assuming you've sourced the .gdbinit in src/)
>
> That will tell us which font weʼre trying to open. Perhaps itʼs a bad
> font or fontconfig configuration.

Is this bug #40733, maybe?

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40733





  reply	other threads:[~2020-09-03  7:42 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03  7:18 bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1' Alexander Shukaev
2020-09-03  7:28 ` Robert Pluim
2020-09-03  7:42   ` Pip Cet [this message]
2020-09-03  8:50     ` Alexander Shukaev
2020-09-03  8:51   ` Alexander Shukaev
2020-09-03  9:02     ` Alexander Shukaev
2020-09-03  9:07       ` Robert Pluim
2020-09-03  9:40         ` Alexander Shukaev
2020-09-03  9:50           ` Alexander Shukaev
2020-09-03  9:53             ` Alexander Shukaev
2020-09-03 10:06               ` Robert Pluim
2020-09-03 10:24                 ` Alexander Shukaev
2020-09-03 12:13                   ` Robert Pluim
2020-09-03 12:28                     ` Alexander Shukaev
2020-09-03 12:43                       ` Robert Pluim
2020-09-03 12:52                         ` Andreas Schwab
2020-09-03 13:19                           ` Robert Pluim
2020-09-03 13:28                             ` Andreas Schwab
2020-09-03 14:21                               ` Robert Pluim
2020-09-03 14:48                                 ` Andreas Schwab
2020-09-03 15:10                                   ` Robert Pluim
2020-09-03 16:39                                     ` Alexander Shukaev
2020-09-03 19:47                                       ` Alexander Shukaev
2020-09-04  6:54                                         ` Eli Zaretskii
2020-09-03 17:37                                     ` Eli Zaretskii
2020-09-03 17:51                                       ` Andreas Schwab
2020-09-03 18:24                                         ` Eli Zaretskii
2020-09-04  7:45                                           ` Robert Pluim
2020-09-04 12:22                                             ` Eli Zaretskii
2020-09-04 13:05                                               ` Robert Pluim
2020-09-04 13:30                                                 ` Eli Zaretskii
2020-09-04 14:04                                                   ` Robert Pluim
2020-09-04 17:26                                                     ` Eli Zaretskii
2020-09-07 14:18                                                       ` Robert Pluim
2020-09-07 14:41                                                         ` Pip Cet
2020-09-07 14:48                                                           ` Robert Pluim
2020-09-07 14:49                                                         ` Eli Zaretskii
2020-09-07 15:06                                                           ` Robert Pluim
2020-09-15 15:40                                                             ` Robert Pluim
2020-09-03  9:58           ` Robert Pluim
2020-09-03 13:19             ` Eli Zaretskii
2020-09-03 14:03               ` Robert Pluim
     [not found] ` <handler.43177.B.159911754532334.ack@debbugs.gnu.org>
2020-09-03  7:30   ` bug#43177: Acknowledgement (Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1') Alexander Shukaev
2020-09-03  8:43   ` Alexander Shukaev

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