[linux-pm] 32 bit s2disk on 64 bit kernel

Rafael J. Wysocki rjw at sisk.pl
Sat Jun 18 03:44:09 PDT 2011


On Saturday, June 18, 2011, Brad Campbell wrote:
> On 18/06/11 03:25, Rafael J. Wysocki wrote:
> >>
> >> Scratch that. I compiled up suspend-utils on a 64 bit machine with an added -all-static ld flag and
> >> it's working great.
> >>
> >> I would have thought that with the proliferation of 64 bit procs in laptops that this configuration
> >> would be more prevalent, but perhaps I'm an oddball.
> >
> > Do you mean 32-bit user space with 64-bit kernel?
> 
> Yes.

It's not too common as far as I can tell.  User space can get some
advantage from 64-bitness too. :-)

> It turns out Virtualbox can't cope with a 32bit userspace on a 64bit kernel
> either (which is no bother as I now have a kvm capable CPU, and kvm copes nicely).
> 
> I have it working, but of course it's too much of a pain to get splashy & directfb
> and the rest of the playground fun to compile and link statically. The text screen
> is enough for me anyway.

Good, thanks for your feedback!

Rafael


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