[issue1328] Use a kernel with SMP support

[Michael Prokop]

Michael Prokop <mika at grml.org> added the comment:

* Elmar Stellnberger wrote in grml's BTS on 20141118 / 16:10:

> Having booted into GRML on my Asus P2B-DS I had to notice that only one of two
> processors are recognized. It seems to be due to lacking SMP support not
> compiled into GRMLs i686 kernel:
> grml 3.13-1-grml-486 #1 Debian 3.13.6-1+grml.1 (2014-03-10) i686 GNU/Linux
> did not support the second processor while a similar kernel did:
> Linux mint 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:08:14 UTC i686 i686
> i686 GNU/Linux
> Note that it can be very hard to work with this machine if only one of two
> 800Mhz processors is supported while it runs sufficiently fast with two.

The lack of SMP support in the 32bit flavor is by intention.

> Would there be any disadvantage in supporting SMP for such machines?

It used to cause troubles in the past for 486/32bit flavour. Though
with the switch from 486 to 586 within Debian's kernel (and Grml's
following that) it *might* be possible to re-enable SMP support on
the 32bit flavor as well.

regards,
-mika-

----------
messages: 4893, 4899
nosy: estellnb
priority: wish
status: chatting
title: Use a kernel with SMP support
topic: kernel

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