Messages in this thread | | | Date | Mon, 22 Nov 2010 17:42:47 +0100 | From | Andi Kleen <> | Subject | Re: -tip tree resume fail, bisect to 5bd5a45(x86: Add NX protection for kernel data) |
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> That seems to be a S3 specific code path, that won't fix anything. > Simply do: > > echo 0 > /sys/devices/system/cpu/cpu1/online; > echo 1 > /sys/devices/system/cpu/cpu1/online; > > and your machine will explode..
The SMP startup trampoline is copied I believe and only executed in real mode without page tables.
So it's perhaps not the trampoline, but the early startup code that ends up being broken.
-Andi
-- ak@linux.intel.com -- Speaking for myself only.
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