Messages in this thread | | | Subject | Re: [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb | From | Mark McLoughlin <> | Date | Wed, 02 Apr 2008 15:35:43 +0100 |
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On Mon, 2008-03-31 at 07:55 -0700, Jeremy Fitzhardinge wrote: > Ingo Molnar wrote: > > * Mark McLoughlin <markmc@redhat.com> wrote: > > > >> In Fedora rawhide we're currently seeing oopses whenever a > >> processes dlopen()s a library which prelink() has previously relocated > >> above 1Gb. Some more details at: > >> > >> https://bugzilla.redhat.com/436453 > >> > >> The issue seems to be that during xen_pgd_pin(), we only pin > >> PTE pages, but xen's release_pmd() tries to unpin PMD pages too. > >> > >> The following series of patches is against the latest x86 > >> tree. > >> > > > > thanks, i've picked them up to get them tested - but it would be nice to > > have an ack from Jeremy as well. This seems like v2.6.25 material as > > well, right? > > Didn't I reply? Anyway, the patch looks good. It's definitely 2.6.25 > material; its fallout from the changes I did to dynamically > allocate/deallocate pmds rather than always do them with the pgd.
Okay, here are the patches rebased to 2.6.25-rc8.
I've reproduced the issue with plain -rc8 and confirmed the patches fix it.
Cheers, Mark.
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