[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#50571: 28.0.50; Redisplay segfaults with empty face cache
From: |
Basil L. Contovounesios |
Subject: |
bug#50571: 28.0.50; Redisplay segfaults with empty face cache |
Date: |
Tue, 14 Sep 2021 20:45:18 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Eli Zaretskii [2021-09-14 16:33 +0300] wrote:
>> Date: Tue, 14 Sep 2021 16:03:02 +0300
>> From: Eli Zaretskii <eliz@gnu.org>
>> Cc: 50571@debbugs.gnu.org
>>
>> Thanks, I see the reason now. It's because we allow to have arbitrary
>> Lisp to be registered in jit-lock-functions, and then that arbitrary
>> Lisp is called in the middle of redisplay, and in this case creates a
>> whole new frame with faces. As luck would have it, we decide right
>> there and then perform routine maintenance and release all the faces
>> on all the frames...
>>
>> I'm thinking about the best solution for this.
>
> Does the patch below give good results?
Yes, applying it makes the issue go away, and reverting it reintroduces
the segfault. I didn't notice any other issues. Thanks!
--
Basil
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Basil L. Contovounesios, 2021/09/13
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/13
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Basil L. Contovounesios, 2021/09/13
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/14
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/14
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache,
Basil L. Contovounesios <=
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/15
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Basil L. Contovounesios, 2021/09/19
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/19
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Basil L. Contovounesios, 2021/09/19
- bug#50571: 28.0.50; Redisplay segfaults with empty face cache, Eli Zaretskii, 2021/09/19