Performance problems with emacs-X11 in current cygwin (attn: glib and gvim maintainer)

[Ken Brown]

[Reformatted.  Please don't top-post.]

On 6/1/2012 7:20 AM, xxx@xxx wrote:
> On Fri, Jun 1, 2012 at 1:00 PM, Ken Brown<kbrown@cornell.edu>  wrote:
>>
>> On 5/31/2012 4:51 PM, Angelo Graziosi wrote:
>>>
>>> My upgrade regarded these packages:
>>>
>>> _autorebase-000069-1.tar.bz2
>>> _update-info-dir-01051-1.tar.bz2
>>> fftw3-3.3.2-1.tar.bz2
>>> glib2.0-networking-2.32.3-1.tar.bz2
>>> gsettings-desktop-schemas-3.4.2-1.tar.bz2
>>> gtk3-demo-3.4.3-1.tar.bz2
>>> gvfs-1.12.3-1.tar.bz2
>>> libfftw3-devel-3.3.2-1.tar.bz2
>>> libfftw3_3-3.3.2-1.tar.bz2
>>> libglib2.0-devel-2.32.3-1.tar.bz2
>>> libglib2.0_0-2.32.3-1.tar.bz2
>>> libgtk3-devel-3.4.3-1.tar.bz2
>>> libgtk3_0-3.4.3-1.tar.bz2
>>> libsasl2-2.1.25-1.tar.bz2
>>> libsasl2-devel/libsasl2-devel-2.1.25-1.tar.bz2
>>> libssh2-devel/libssh2-devel-1.4.2-1.tar.bz2
>>> libssh2_1-1.4.2-1.tar.bz2
>>> xterm-279-1.tar.bz2
>>>
>>> I suspect gvfs, gtk3, libglib2... but I can't downgrade anything.
>>
>>
>> I found an XP system that hadn't been upgraded in a few weeks, and I
>> upgraded libglib2.0_0 but nothing else.  This was enough to trigger the
>> problem.  I can reliably reproduce it as follows:
>>
>> 1. Start the X server (on an XP system) via the Start Menu shortcut.
>>
>> 2. Install emacs-X11-23.4-2, and start emacs under X.
>>
>> 3. Type 'C-x b RET' to switch to the *scratch* buffer.
>>
>> 4. Press and hold one key.  It echoes once, but the "repeated" key strokes
>> don't get echoed until you release the key.
>>
>> Fortunately for emacs users, the problem doesn't seem to occur with
>> emacs-24.  (Can anyone else confirm this?)  But that doesn't help the gvim
>> users who have reported similar problems.
>>
>> Yaakov, could you take a look?  Maybe you could also make the previous
>> version of libglib2.0_0 available so that users can downgrade until this
>> gets resolved.
 > Sorry, I have the same issue with emacs24

You're right, I spoke too soon.  But the problem is definitely not as 
bad on my XP system with emacs-24.  Now when I press and hold a key, it 
gets echoed in chunks, a few characters at a time.  I don't have to wait 
until I release the key before seeing the characters.

Ken

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