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Re: wait_reading_process_ouput hangs in certain cases (w/ patches)
From: |
andrés ramírez |
Subject: |
Re: wait_reading_process_ouput hangs in certain cases (w/ patches) |
Date: |
Tue, 27 Feb 2018 05:54:55 -0600 |
Hi Matthias
> I know what you are trying to say but in this particular case I think
> the risk is rather low of "breaking" someone's workflow. And if this
> change does introduce some kind of valid breakage, it would be nice
> to know about this sooner rather than later. I know 26 is already in
> beta, but this is essentially a bug fix and the recent patch is also
> smaller and more clearly laid-out which makes it easier to assess and
> reduces its side-effects.
I also think this patch is going to help with several cases and also
bugs difficult to fix or repeat.
> > Btw. Lars. Mentioned a hang. I have also got a hang a few minutes ago
> > reading
> > nntp news with an specific site
>
> Do you get those hangs with an Emacs version that had the bug fix?
Yes.
> have you been able to pinpoint where exactly Emacs hangs? (backtrace)
> Also, is this a "cancelable" hang (hitting ctrl+g) or a real hang and
> you need to kill Emacs altogether?
It is|was cancelable. On emacs 26 I used to use a workaround:
--8<---------------cut here---------------start------------->8---
(maphash
(lambda (con &rest ignored)
(when (and con (get-process (car con)))
(delete-process (car con))))
url-http-open-connections)
--8<---------------cut here---------------end--------------->8---
On master (with the patch included) the var url-http-open-connections is
not present. With emacs-26 After applying the mentiode above workaround
I could have restarted downloading news again .
Also on master. I need to restart wanderlust to continue downloading
news. If I do not restart wanderlust and I keep refreshing the news for
the site emacs hangs again and again needing C-g.
Question: I am going to see how to plug gdb to this server-session. Btw
how were You able of debugging It?. I was not able of doing It in the
last years.
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), (continued)
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), andrés ramírez, 2018/02/26
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Lars Ingebrigtsen, 2018/02/26
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), andrés ramírez, 2018/02/26
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Daniel Colascione, 2018/02/26
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), andrés ramírez, 2018/02/26
- Re:, Daniel Colascione, 2018/02/26
- Re:, andrés ramírez, 2018/02/26
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Matthias Dahl, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Lars Ingebrigtsen, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Matthias Dahl, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches),
andrés ramírez <=
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Matthias Dahl, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Lars Ingebrigtsen, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Matthias Dahl, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Lars Ingebrigtsen, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Matthias Dahl, 2018/02/27
- Re: wait_reading_process_ouput hangs in certain cases (w/ patches), Lars Ingebrigtsen, 2018/02/27