Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 374077 - [kde overlay] kde-base/kdebase-startkde-4.6.90 sets MALLOC_CHECK_=3
Summary: [kde overlay] kde-base/kdebase-startkde-4.6.90 sets MALLOC_CHECK_=3
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] KDE (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Gentoo KDE team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-07-04 22:06 UTC by Nikos Chantziaras
Modified: 2011-07-05 13:08 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Nikos Chantziaras 2011-07-04 22:06:56 UTC 
kdebase-startkde-4.6.90 ships with a startkde script that sets MALLOC_CHECK_=3. (This also affects KDM logins.)  This should not happen for KDE release candidates; it's only for trunk and developer builds:

http://lists.kde.org/?l=kde-devel&m=130979982709904&w=2

It results in a global system slowdown (it doesn't only affect KDE, but every application). Especially VMWare and VirtualBox were suffering. KWin also becomes sluggish with this env var set. In short, when this var is set, glibc performs costly runtime checks on every application.

This upstream commit fixes the issue:

http://quickgit.kde.org/?p=kde-workspace.git&a=commit&h=b8dbac0393f80843457119d4149acdd65600673c

Reproducible: Always
Comment 1 Marc Schiffbauer gentoo-dev 2011-07-05 13:08:21 UTC 
Fixed. Thanks for reporting!