Bug#720272: unbootable and lead to data loss?

[Ian Campbell <ijc@hellion.org.uk>]

On Wed, 2013-08-21 at 11:30 +0200, Bastian Blank wrote:
> On Wed, Aug 21, 2013 at 09:00:14AM +0100, Ian Campbell wrote:
> > On Tue, 2013-08-20 at 22:51 +0800, jidanni@jidanni.org wrote:
> > >           product: Intel(R) Celeron(R) M processor         1.40GHz
> > >           capabilities: fpu fpu_exception wp vme de pse tsc msr mce cx8 sep mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe up bts
> > The kernel will always either boot or not boot (with a message from the
> > very early loader about lack of PAE). On the system above it looks like
> > it wouldn't boot due to lack of PAE.
> 
> It is quite possible that this CPU actually supports PAE. They don't
> show it until you try to enable it.

Ah, I wasn't sure if the kernel would check for the CPUID bit and just
fail or do something more clever to see if it worked.

In any case my main point is that it will either work or not. There is
no half working/data corrupting case.

Ian.