Re: 4 week-old pretest bugs

[Jan Djärv]

Richard Stallman skrev:
>     >      * running the same build on the same debian sid machine under KDE
>
>     > when you run it under KDE, is that the GTK build of Emacs?
>
>     It's the same build in all cases.  The same binary files.  I make a
>     ".deb" package from the results of the build and install that same
>     package on both machines, and run that same package under the various
>     desktop environments.  So in all cases it's using GTK.
>
> How bizarre.
>
>     I don't know if you saw the silly patch for the problem which I posted
>     earlier today, but adding a static integer variable and incrementing
>     it before incrementing interrupt_input_blocked in the #define for
>     BLOCK_INPUT fixes the bug!
>
> This suggests to me that it has something to do with multithreading.
> I have a vague memory that GTK uses multithreading.

It is the file dialog in Gtk+ that uses several threads.

> Jan, do you get any ideas from this?

Some, but the root cause is still unknown.  It seems UNBLOCK_INPUT gets called 
more than BLOCK_INPUT, so the counter goes below zero and Emacs aborts (in 
UNBLOCK_INPUT).

        Jan D.