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Date: Sun, 27 Mar 2022 12:55:04 +0300
Message-Id: <83ee2nafev.fsf@gnu.org>
From: Eli Zaretskii <eliz@gnu.org>
To: brobecker@adacore.com
CC: gdb-patches@sourceware.org
In-Reply-To: <83pmm8a7gn.fsf@gnu.org> (message from Eli Zaretskii via
 Gdb-patches on Sat, 26 Mar 2022 21:34:32 +0300)
Subject: Re: GDB 12.0.90 available for testing
References: <20220320055815.2A90FA4D6C@takamaka.home> <83sfr4a93r.fsf@gnu.org>
 <83pmm8a7gn.fsf@gnu.org>
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> Date: Sat, 26 Mar 2022 21:34:32 +0300
> From: Eli Zaretskii via Gdb-patches <gdb-patches@sourceware.org>
> Cc: gdb-patches@sourceware.org
> 
> And another problem: starting this GDB under Emacs, with "M-x gdb"
> (which invokes "gdb -i=mi") seems to confuse Emacs, so much so that
> the debugging session is barely usable: symbols are unknown, so I
> cannot set breakpoints, etc.
> 
> There's no such problem with GDB 11.1.
> 
> I wonder if this is a Windows specific issue.  Did someone try GDB 12
> inside Emacs on GNU/Linux, and if so, did it work as expected?

Turns out this is also due to the same commit that modified
gdb_readline_no_editing_callback to call setbuf on all streams and any
number of times, which also caused the input breakage.  See PR 29002
for the details and the proposed fix.