*** This bug is a duplicate of bug 294182 ***
https://bugs.launchpad.net/bugs/294182
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: yelp (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/695929
Title:
yelp takes a long time to load About This Document in the Desktop User
Guide
Status in “yelp” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: yelp
On a Maverick amd64 system with yelp 2.30.1-0ubuntu1, ubuntu-docs
10.10.5, and gnome-user-guide 2.30.0+git20100403ubuntu2, I ran "yelp
ghelp:user-guide". This system is affected by Bug 409706, but I waited
several seconds until the CPU spike was over. Then I clicked "About
This Document" on the right. (I have separately tried File > About
This Document, which behaves the same, except as detailed below.) I
have done this several times, and it almost always takes at least ten
seconds to load. While loading, the CPU spikes to near 100%. During
this time (and immediately before), my CPU is loaded to less than 10%
by other non-niced processes. This is a slight annoyance on my system,
but I imagine that this lag could cause serious problems on systems
with slower CPU's.
Note that, unlike in Bug 409706, where the CPU spikes but the page is
loaded and usable during the spike, in this bug, the page is not
loaded until the spike is finished. (These bugs are also different in
that one occurs when yelp is first run, while the other occurs when
yelp loads a specific page. I am wondering if I should really be
filing this bug against gnome-user-guide...but it seems to me that the
cause of the lag is probably in yelp.)
I have also found that:
(1) After loading About This Document (by either means) and then
browsing elsewhere, clicking "About This Document" in the File menu
loads the About page immediately, without wait or excessive CPU usage,
no matter what else has occurred in between.
(2) After loading About This Document (by either means), clicking
another link in the bar on the right (for example, "Basic Skills") and
then clicking "About This Document" again loads the About page
immediately, without wait or excessive CPU usage.
(3) After loading About This Document (by either means), clicking the
back button (or clicking N links and then clicking the back button N+1
times) and then clicking "About This Document" in the bar on the right
(NOT from the File menu) produces the same wait time and CPU spike as
occurred when loading the About page the first time.
I am able to reproduce this bug on a Maverick i386 system (with the
same three package versons as on the amd64 system mentioned above),
and also on a Natty i386 system with yelp 2.30.2-0ubuntu1, ubuntu-docs
10.10.4, and the same version of gnome-user-guide as on the Maverick
systems (2.30.0+git20100403ubuntu2).
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: yelp 2.30.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
Architecture: amd64
Date: Fri Dec 31 03:20:51 2010
ExecutablePath: /usr/bin/yelp
InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406)
ProcEnviron:
LANGUAGE=en_US.utf8
LANG=en_US.utf8
LC_MESSAGES=en_US.utf8
SHELL=/bin/bash
SourcePackage: yelp
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