This is a know bug: http://www.phoronix.com/forums/showthread.php?99344-Canonical-Is-Taking-Over-Linux-3-13-Kernel-Maintenance&p=413333#post413333 https://bugs.freedesktop.org/show_bug.cgi?id=72921 There is a patch there if you want to test.
This is a know bug: www.phoronix. com/forums/ showthread. php?99344- Canonical- Is-Taking- Over-Linux- 3-13-Kernel- Maintenance& p=413333# post413333 /bugs.freedeskt op.org/ show_bug. cgi?id= 72921
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There is a patch there if you want to test.