[PATCH 0/1][Natty] Regression on hibernate with x86_64 in 2.6.38.2

[Tim Gardner]

On 04/07/2011 03:15 PM, Herton Ronaldo Krzesinski wrote:
> Hi,
>
> I don't know if everyone is seeing this, but yesterday I hit a bug in
> hibernate, and filled a bug for it (LP#752870). I would expect hibernate
> not working on a lot of amd64 machines since 2.6.38.2 (may be all,
> depending by luck of initialized value of mmu_cr4_features var).
>
> Basically, with 2.6.38.2 it crashes consistently right after image is
> restored in resume from hibernate on a test machine here with natty
> amd64. After fighting a bit with grub2 to get a full picture of the oops,
> I went to bisect, and results are on the ticket.
>
> After getting the fault commit, I went to poke at the code and found the
> issue, and right after I saw upstream getting a fix today afternoon. As
> a response to this, attached goes the cherry picked fix for natty, the
> only one currently affected. I confirmed the fix works on my machine.
>
> Please consider applying it. The patch isn't with Cc stable, I'll try to
> contact/send this later to stable ML. Also would be good more testers to
> confirm the issue, I'm curious about how widespread is this problem.
>

applied

-- 
Tim Gardner tim.gardner at canonical.com