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bug#6739: 24.0.50; hang in *VC-log* -- redisplaying?
From: |
Dan Nicolaescu |
Subject: |
bug#6739: 24.0.50; hang in *VC-log* -- redisplaying? |
Date: |
Tue, 27 Jul 2010 13:45:50 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) |
rogers-emacs@rgrjr.dyndns.org writes:
> In emacs built from git on 17-July (on openSUSE GNU/Linux 11.0), I am
> experiencing frequent hanging in *VC-log* buffers. In a fresh *VC-log*
> buffer, as soon as I type "SPC RET", the cursor disappears and I get no
> response. Typing C-g restores control, though sometimes I have to C-g
> twice or more. It appears to be a display problem, as the display
> updates to reflect keystrokes typed before the C-g -- and sometimes the
> first C-g will update the display partway, and the next will update it
> more.
>
> Burying or killing the *VC-log* buffer makes the problem go away.
> Same with deleting the initial SPC character, which appears to be
> necessary.
Can you please look in the *Messages* buffer when the problem happens,
see if there's anything strange there.
>
> I have had no luck tracking this down any further. Setting
> debug-on-quit not only does not enter the debugger, it sometimes seems
> to cause emacs to hang indefinitely. I assume the next step would be to
> start emacs under gdb, but I am not familiar enough with redisplay (or
> gdb for that matter) to know what to look for. Any help would be
> appreciated.
>
> -- Bob Rogers
> http://www.rgrjr.com/