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DMX Gets Kicked In The Back In X.Org Server 1.16

X.Org

Published on 13 January 2014 08:13 AM EST
Written by Michael Larabel in X.Org
1 Comment

Distributed Multihead X will no longer be built by default on future versions of the X.Org Server.

Distributed Multihead X is a mainline X.Org Server feature to act as a proxy X11 server to multiple X server back-ends. When going in-step with Xinerama, the multiple X Server back-ends can then be merged into one large virtual screen. While DMX/Xdmx may be interesting on a technical level, it's not used often these days by Linux users and GLX proxy isn't too sufficient for running OpenGL applications in this manner. Other details on DMX can be found from the defunct project site.

While Distributed Multihead X has been a mainline X.Org Server feature, it's being disabled by default for the X.Org Server 1.16 release. With the 1.16 merge window open, Keith Packard made the change of keeping the support present in the code-base but disabling it from being built by default.

Keith wrote in his commit, "It's clearly un-loved, having piles and piles of warnings. If someone wants to fix it up to compile without warnings, we can re-enable it." Keith Packard was recently on an expedition for eliminating X.Org's compiler warnings.

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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