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VGA Arbitration Code Hits The X Server

X.Org

Published on 28 August 2009 07:34 AM EDT
Written by Michael Larabel in X.Org
4 Comments

The Linux VGA Arbiter, which has long been talked about and gone through several revisions, is finally approaching the point of entering the mainline kernel and as of last night was committed to the X Server and PCI access library. The VGA Arbiter fixes the problem where multiple graphics cards with legacy VGA interfaces could get sent the wrong data if there are multiple X Servers in use. The arbiter on the other hand is able to control which one is accessed and when.

The VGA Arbiter is ready to enter the Linux 2.6.32 kernel in early September once the Linux 2.6.31 kernel is out the door and the merge window for 2.6.32 opens. As a result, David Airlie pushed the VGA arbitration code that resides in the X Server into its Git master branch (commit), which will be part of X Server 1.7 once released. The libpciaccess Git master code has also received its needed changes.

This is particularly good news for those interested in a proper multi-seat system but have been affected by the lack of VGA arbitration.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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