Subject: bug#13486: 24.2.92: large X-selections: timed out waiting for property notify event

From: Chong Yidong <[email-masked]>
Date: Sat, 19 Jan 2013 23:41:10 +0800

Charles Rendleman <[email-masked]> writes:

> http://www.straightrunning.com/XmingNotes/, a packaging of 'mainly
> from the X.org source code with patches applied'.

Ah, so you are running Emacs through a remote X connection.  That is the
reason for the slowdown: the Emacs binary needs to transfer the X
primary selection to the server over the network.

I don't think there's any way to fix this; you will have to customize
`select-active-regions' to nil.