[Hardy][Intrepid] SRU: fix amd64 ACPI issues
stefan.bader at canonical.com
Mon Aug 18 21:05:05 BST 2008
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Su, Henry wrote:
> The is one patch in kernel upstream which fixes the S3/S4 issues on
> AMD64 platforms with more than 4G memory, could you please backport it
> to the latest Ubuntu8.10 kernel? The git link is:
I had a look at the Hardy and Intrepid code. For Hardy there is actually
another patch missing which sound like (beside of being an absolute must for
the patch) sounds serious.
Subject: [PATCH] suspend-vs-iommu: prevent suspend if we could not resume
iommu/gart support misses suspend/resume code, which can do bad stuff,
including memory corruption on resume. Prevent system suspend in case we
would be unable to resume.
Possible suspect https://bugs.launchpad.net/ubuntu/+source/linux/+bug/236902
but this is just an unverified guess.
The remainder of the patch has to be slightly modified since it depends on
other changes. This is also true for Intrepid. Ben, what would be your favoured
approach: include as many upstream changes or keep the changes minimal?
When all other means of communication fail, try words!
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