Description of problem: XFS lazily vunmaps, if one of those pages is recylced into a pagetable page before it is fully unmapped then the extra writable mapping causes the pagetable to be rejected. LKML thread: http://marc.info/?l=linux-kernel&m=119220904017315&w=2 Fix in upstream GIT commit 7f015072348a14f16d548be557ee58c5c55df0aa: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7f015072348a14f16d548be557ee58c5c55df0aa Also in Xen kernel tree: http://hg.uk.xensource.com/linux-2.6.18-xen.hg?cs=9bf1ddd0f6bf Version-Release number of selected component (if applicable): 2.6.18-8.1.14.el5 and 2.6.9-55.0.9.EL
Created attachment 288831 [details] linux-2.6.18-xen 263:9bf1ddd0f6bf ported to 2.6.9-67.EL
Created attachment 288841 [details] linux-2.6.18-xen 263:9bf1ddd0f6bf ported to 2.6.18-53.el5
*** This bug has been marked as a duplicate of bug 470845 ***