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bug#69561: 30.0.50; Freeze from M-x gnus on macOS
From: |
Gerd Möllmann |
Subject: |
bug#69561: 30.0.50; Freeze from M-x gnus on macOS |
Date: |
Tue, 05 Mar 2024 17:38:14 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Gerd Möllmann <gerd.moellmann@gmail.com>
>> Date: Tue, 05 Mar 2024 15:29:51 +0100
>>
>> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>>
>> Happened again, this time when sending a mail to Alan in debbugs-gnu.
>>
>> Stepping through wait_reading_process_output one can see that ns_select
>> is called again and again and again without progress.
>
> That probably means the descriptor on which ns_select was supposed to
> wait doesn't become read-ready for some reason. Can you figure out
> which descriptor is that, and then what happened to the process from
> which we want to read via that descriptor? Maybe the descriptor mask
> used in ns_select call is wrong, and the bit corresponding to the
> subprocess' descriptor is not set for some reason?
Thanks for taking a look at this with me.
I didn't take a closer look at ns_select etc. in LLDB, sorry. It was a
build with -O2, ... ;-)
> But wait: epg-wait-for-status seems to wait for one or more processes
> to exit. So what is the status of the process for which it waits? Is
> it running, or did it perhaps already exit?
I could see gpg running in Activity Monitor.
> And one other thing: what is the version of GnuPG you are using here?
> There's an entry in PROBLEMS about hangs related to some versions of
> GnuPG; could that be your problem here?
PROBLEMS says I have the version with the fix for the hang:
.../github/igc/src % gpg --version
gpg (GnuPG) 2.4.4
libgcrypt 1.10.3
The situation is like this, as I see it here:
- Emacs master worked fine a while ago. Alas, I can't say when this
started because I usually don't use master, but a local version, that
is dervied from master, but that I don't merge with master frequently.
- I think most freezes I've seen during the last days were with Eglot
using clangd. They looked very similar to the ones with Gnus, with a
different Lisp backtrace of course. So, it's probably not gpg.
I'm currently trying to bisect when this problem started. I can't force
the freeze to happen, but I hope that surviving a day or two can be
counted as a good version, when it freezes at leasst once a day with
master. Maybe I can find the culprit that way.
So far, a3d7092114db09fee392ccc8187fde03376f2089 seems to behave well,
which is from CommitDate: Sun Jan 28 00:26:44 2024 -0800
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/05
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Alan Third, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Alan Third, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Alan Third, 2024/03/07
- bug#69561: 30.0.50; Freeze from M-x gnus on macOS, Gerd Möllmann, 2024/03/07