Ubuntu 10.04 Is Hit By Major X.Org Memory Leak
Written by Michael Larabel in Ubuntu on 21 April 2010 at 11:46 AM EDT. 30 Comments
Ubuntu 10.04 LTS is set to be released next Thursday and a release candidate is poised to be released tomorrow, but there's some last minute problems within the Lucid Lynx camp. There's a last-minute X.Org Server update that's being looked at as a result of a "major memory leak" that has been found over the past week.

An X.Org Server update that was pushed into the Lucid repository last week has resulted in the system being slower and slower as its left on until it reaches a point where the system is no longer usable. The memory leak was tracked down to a set of patches that were made to fix some program crashes when the X.Org Server began supporting GLX 1.4.

The attempt so far to correct the patches have not worked out. In order to make the Ubuntu 10.04 LTS deadline, the developers are looking at just reverting three of the patches, which brings the GLX version back to 1.2. Ubuntu developers are now desperate for those willing to test out this updated X.Org Server package so they can determine by this Friday whether to ship it with Ubuntu 10.04 LTS or doing an early SRU (Stable Release Update). Right now this X.Org Server that's being tested is living in the ubuntu-x-swat PPA.

The bug surrounding this X.Org memory leak is titled GEM objects not deallocated in reference to the Graphics Execution Manager. There's also details surrounding this troublesome regression on the Ubuntu Wiki via the GEMLeak page. A message in regards to this problem has also been written to the ubuntu-devel mailing list classifying this as an urgent problem.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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