Messages in this thread | | | Date | Wed, 19 Jan 2011 11:04:02 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [REGRESSION] S3 resume on SandyBridge doesn't work with NX protection (5bd5a45) |
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On 01/19/2011 09:37 AM, Matthias Hopf wrote: > Git commit 5bd5a45 in Linus' tree "x86: Add NX protection for kernel data" > apparently breaks resume on SandyBridge machines. This is supposed to be > fixed with commit 691513f "x86: Resume trampoline must be executable", > but even git master (v2.6.38-rc1) shows the same symptoms. > > After suspend to S3, the machine doesn't resume upon wakeup, but boots > normally instead. Reverting git commits 691513f, 84e1c6b, and especially > 5bd5a45 (trivial except for a single hunk) makes resume work again. > > lspci -vvv output is attached. > > (for internal reference: machine NUE874) >
"Sandy Bridge machines" is not likely to be descriptive. This is much more likely to be related to a specific motherboard.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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