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Re: [vile] vile-9.7[stu] gets stuck "working..."

From: Thomas Dickey
Subject: Re: [vile] vile-9.7[stu] gets stuck "working..."
Date: Tue, 08 Sep 2009 05:24:29 -0400
User-agent: Mutt/1.5.20 (2009-06-14)

On Sat, Sep 05, 2009 at 03:52:50PM -0400, Clem Taylor wrote:
> > hmm - then I might try to reproduce it by slowing down vile (or the
> > terminal).
> All the gdb results in my last message where on the local machine, not via 
> ssh.
> >> same process: open up a file, split the window, create a new file,
> >> copy 5 or so lines from the first file, paste them in the new file,
> >> goto the first line of the new file and delete it with 'dd'.
> >
> > "paste" here sounds like outside vile (select/paste in X for instance).
> > I tend to just use 'q' to select, but that bypasses a lot of I/O.
> This was purely in vile: 5yy, switch buffers, p :1 dd
> > The exact form of the loop I did change last winter, for compiler-warnings
> > (as part of fixes to separate signed/unsigned computations).
> >
> > Perhaps somewhere there's an off-by-one that's making nbytes never reach
> > zero.  I'd "up" in the debugger to ldel_bytes and inspect the nbytes
> > and uchunk values.
> nbytes seems to stay 1, I tried watching nbytes but gdb didn't seem to
> like that, so I recompiled without -O2 and I haven't been able to
> trigger the bug again. Will keep trying...

For optimization effects, I can't guess.

it-would-be-nice if vile logged all of the keystrokes to a file, so we
could just replay them (maybe sometime).

However - you said you could reproduce this without a .vilerc, which is
promising.  If you configured using --with-trace, then that makes vile
log lots of stuff (including the incoming keystrokes via "tgetc").

Attaching an example of Trace.out for discussion...

Thomas E. Dickey <address@hidden>

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