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bug#22526: 25.0.90; Crash starting gnus
From: |
Eli Zaretskii |
Subject: |
bug#22526: 25.0.90; Crash starting gnus |
Date: |
Sat, 13 Feb 2016 10:28:37 +0200 |
> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Fri, 12 Feb 2016 22:26:02 +0000
>
> On Fri 12 Feb 2016, Eli Zaretskii wrote:
>
> >> From: Andy Moreton <andrewjmoreton@gmail.com>
> >> Date: Fri, 12 Feb 2016 13:34:37 +0000
> >>
> >> I have managed to reproduce the crash again, and kept the gdb
> >> session running.
> >
> > Thanks. Now that you've succeeded, I'm going to ask you to terminate
> > the debug session and try applying a patch ;-)
>
> No obvious problems after applying the patch, but it may take a while to
> find the right circumstances to trigger any issues.
Thanks, let's wait.
FWIW, I'm not really sure that patch will fix the problem, for 2
reasons: (1) the code it fixes should only get executed very rarely,
if ever; and (2) according to my reading of gap_left, it should have
touched these addresses just before hitting the segfault. So I
believe there's some other factor at work here I cannot figure out.
Maybe Fabrice will have some ideas.
Btw, can you attach GDB to Emacs _before_ the problem happens? It
could be that the backtrace we see is not entirely reliable when
attaching GDB after the segfault.
Also, is this an optimized build? I don't think I've seen all the
basic data collected by report-emacs-bug about your build; can you
post it?
Thanks.
- bug#22526: 25.0.90; Crash starting gnus, (continued)
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/07
- bug#22526: 25.0.90; Crash starting gnus, Andy Moreton, 2016/02/07
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/07
- bug#22526: 25.0.90; Crash starting gnus, Andy Moreton, 2016/02/10
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/11
- bug#22526: 25.0.90; Crash starting gnus, Andy Moreton, 2016/02/11
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/11
- bug#22526: 25.0.90; Crash starting gnus, Andy Moreton, 2016/02/12
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/12
- bug#22526: 25.0.90; Crash starting gnus, Andy Moreton, 2016/02/12
- bug#22526: 25.0.90; Crash starting gnus,
Eli Zaretskii <=
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Fabrice Popineau, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Fabrice Popineau, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Fabrice Popineau, 2016/02/13
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/14
- bug#22526: 25.0.90; Crash starting gnus, Fabrice Popineau, 2016/02/14
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/14
- bug#22526: 25.0.90; Crash starting gnus, Eli Zaretskii, 2016/02/14