Bug 984900 - emacs freezes during lengthy file load or autosave
emacs freezes during lengthy file load or autosave
Product: Fedora
Classification: Fedora
Component: emacs (Show other bugs)
x86_64 Unspecified
unspecified Severity high
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Assigned To: Petr Hracek
Fedora Extras Quality Assurance
Depends On:
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Reported: 2013-07-16 06:17 EDT by Michael Selway
Modified: 2015-02-17 11:11 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-02-17 11:11:11 EST
Type: Bug
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Description Michael Selway 2013-07-16 06:17:36 EDT
Description of problem:
Emacs freezes and won't respond to mouse or keyboard or emacsclient.  The window manager gives an "is not responding" message when asked to close the window.

The problem is triggered by typing on the keyboard fairly rapidly during a long auto-save or file load.

This is different from Bug 790545 because it doesn't happen when invoked "-nw" (no windowing system), and the toolbar buttons don't highlight on mouse hover.

Version-Release number of selected component (if applicable):
(GNU Emacs 24.2.1)

How reproducible:

Steps to Reproduce:
1. create a large text file, e.g. "od -cccccccccc /bin/bash >/tmp/testfile

2. read into emacs: "emacs -Q /tmp/testfile", then answer "y" when prompted "File is large, really open?"

3. type quickly at the keyboard while the file is loading (several keystrokes per second)

Actual results:
emacs finishes loading the file, displays it along with some of the typed characters, and freezes.  Mouse cursor is not displayed over the main part of the emacs window.

(Sometimes the file contents is not displayed, sometimes the typed input is not displayed, sometimes the mouse cursor remains displayed as a spinning "busy" roundel.  But emacs is still frozen.)

Expected results:
emacs should respond to keyboard and mouse activity once the large file has been loaded.

Additional info:
This started happening immediately on upgrading from F17 to F19 (FedUp).
I use Gnome.
Comment 1 Michael Selway 2013-07-16 07:34:20 EDT
> Steps to Reproduce:
> 1. create a large text file, e.g. "od -cccccccccc /bin/bash >/tmp/testfile

I meant to say "od -cccccccccc /bin/emacs >/tmp/testfile" which makes a 431 Mbyte file.
Comment 2 Michael Selway 2013-09-17 05:51:12 EDT
I switched from Gnome to OpenBox a few weeks ago: the problem doesn't manifest itself under OpenBox.  So you need to run Gnome to reproduce it.
Comment 3 Fedora End Of Life 2015-01-09 13:56:46 EST
This message is a notice that Fedora 19 is now at end of life. Fedora 
has stopped maintaining and issuing updates for Fedora 19. It is 
Fedora's policy to close all bug reports from releases that are no 
longer maintained. Approximately 4 (four) weeks from now this bug will
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Comment 4 Fedora End Of Life 2015-02-17 11:11:11 EST
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
no longer maintained, which means that it will not receive any further
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