Re: Bisected: spontaneous reboot in early boot on x86-64 in 4.6-rc

From: Andy Lutomirski
Date: Tue Apr 26 2016 - 11:12:26 EST


On Tue, Apr 26, 2016 at 12:30 AM, Meelis Roos <mroos@xxxxxxxx> wrote:
> Today I finished bisecting a boot problem on my IBM X346 (with 64-bit P4
> Xeons). 4.5.0 worked fine but I saw the spontaneous reboots during early
> boot in 4.6-rc4 and bisected it down to the commit below.
>
> The server does not seem to have NX - dmesg has this:
>
> Notice: NX (Execute Disable) protection missing in CPU!

I reproduced a failure under KVM, which might be your failure.
Digging around now.

--Andy