GNU bug report logs - #75629
30.0.93; restart-emacs does not reliably restart Emacs

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Message #17 received at 75629 <at> debbugs.gnu.org (full text, mbox):

From: Daniel Mendler <mail <at> daniel-mendler.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 75629 <at> debbugs.gnu.org
Subject: Re: bug#75629: 30.0.93; restart-emacs does not reliably restart Emacs
Date: Thu, 30 Jan 2025 14:53:01 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Date: Fri, 17 Jan 2025 12:15:22 +0100
>> From:  Daniel Mendler via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
>> 
>> I've found the following backtrace in my .xsession-errors file. It seems
>> that Emacs is somehow crashing during shutdown. So maybe the problem is
>> not really about restart, but about some redisplay problem happening
>> during shutdown.
>> 
>> X protocol error: BadDrawable (invalid Pixmap or Window parameter) on protocol request 62
>> Serial no: 6422
>> Failing resource ID (if any): 0x60014c
>> Minor code: 0
>> This is a bug!  Please report this to bug-gnu-emacs <at> gnu.org!
>
> So please run Emacs under GDB, and in X synchronous mode (see
> etc/DEBUG for details), and when it crashes during shutdown, show the
> full backtrace produced by GDB (the "thread apply all bt" command when
> GDB kicks in).
>
> I think I understand what causes this problem, but more detailed
> backtrace is needed to make sure my understanding is correct and the
> solution is right.

I am sorry, but I failed to obtain a more detailed backtrace. The
problem does not seem to occur at all with (x-synchronize t). Also I
have difficulties running gdb from the .xsession. In my case, Emacs is
started by X, since it acts as window manager. When Emacs crashes after
M-x restart-emacs (without x-synchronize), I cannot access the gdb repl.

Daniel

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