Re: Switching from Debian i386 to AMD64
On 04-07-17, Sven Joachim wrote:
> On 2017-07-04 17:33 +0200, Dejan Jocic wrote:
>
> > On 04-07-17, Richard Owlett wrote:
> >> I have been running Debian i386 since Squeeze. At that time it was required
> >> as I was considering supporting some donated 32 bit machines at church. I
> >> don't recall what processor was in my personal machine at that time. I've
> >> never had cause to investigate the processors in my current laptops and
> >> desktop machines. They all happily run i386.
> >>
> >> Is there a utility that will report my hardware configuration/capability?
> >>
> >> TIA
> >>
> >
> > Several. To see your cpu, type lscpu. Architecture is first in output.
>
> That's not correct, or at least not useful. The architecture is what
> uname(2) reports, and if the system is currently running a 32-bit
> kernel, it will be "i686" no matter if the processor is 64-bit capable.
>
> The information about the latter is in the "Flags:" field of the lscpu
> output. If it contains the "lm" (for "long mode[1]") flag, you have an
> x86_64 processor.
>
> Cheers,
> Sven
>
>
> 1. https://en.wikipedia.org/wiki/Long_mode
>
Thank you for correction. But what about second field in output, where
you have CPU op-mode? Should it be both 32-bit and 64-bit for 64-bit
capable and just 32-bit for i686?
Reply to: