From b5db8e0461c5f36a8834f8912368ec40ea12d351 Mon Sep 17 00:00:00 2001 From: Michael Albinus Date: Fri, 26 Feb 2016 21:00:28 +0100 Subject: etc/PROBLEMS: Mention problems with using file descriptors * etc/PROBLEMS: Mention problems with using file descriptors of kqueue file notification library. --- etc/PROBLEMS | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/etc/PROBLEMS b/etc/PROBLEMS index 7d780371d46..0491935b10c 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -600,6 +600,16 @@ you have a personal configuration file (normally ~/.aspell.conf), it can cause this error. Remove that file, execute 'ispell-kill-ispell' in Emacs, and then try spell-checking again. +*** Emacs eats all file descriptors when using kqueue file notifications. + +When you have a large number of buffers running auto-revert-mode, and +Emacs is configured to use the kqueue file notification library, it +uses an own file descriptor for every watched file. On systems with a +small limit of file descriptors allowed per process, like OS X, you +could run out of file descriptors. You won't be able to open new files. + +Set auto-revert-use-notify to nil in order to avoid this problem. + * Runtime problems related to font handling ** Characters are displayed as empty boxes or with wrong font under X. -- cgit v1.2.3