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bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' fro
From: |
Robert Pluim |
Subject: |
bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1' |
Date: |
Thu, 03 Sep 2020 09:28:23 +0200 |
>>>>> 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.
Robert
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1',
Robert Pluim <=
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Pip Cet, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Robert Pluim, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Robert Pluim, 2020/09/03
- bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1', Alexander Shukaev, 2020/09/03