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Re: Should intel-microcode recommends be versioned (firmware-linux)?



On Thu, 2013-01-24 at 01:00 -0200, Henrique de Moraes Holschuh wrote:
> On Wed, 23 Jan 2013, Ben Hutchings wrote:
> > On Wed, Jan 23, 2013 at 11:15:37PM +0200, Touko Korpela wrote:
> > > When using squeeze system, with wheezy (backports) of kernel and firmware,
> > > recently firmware-linux started to recommend intel-microcode and
> > > amd64-microcode packages.
> > > I think that intel-microcode recommends can be versioned, so that it prefers
> > > reworked versions (1.20120606.1 or newer) instead of old squeeze version.
> > 
> > I don't think a versioned Recommends will have the effect you're
> > hoping for.
> > 
> > Also if there have been important bug fixes to the microcode then they
> > should be included in stable-updates, not just squeeze-backports.
> 
> Ideally, we should get iucode-tool (which would be adding *new* package to
> stable, something that is extremely rarely done) and the new versions of
> amd64-microcode (also a new package for stable) and intel-microcode to
> stable-updates.
> 
> I can certainly create an old-style intel-microcode package for
> stable-updates, and that will give non-broken hardware counters for stable
> Intel users [that run with a custom kernel, stable's doesn't support perf
> AFAIK]

It does.

> and some nasty bugs removed.  But AMD users would still run with
> microcode that screws up power management, has none/broken hardware counter
> support, and some nasty bugs that hit rarely.
> 
> BTW, currently you cannot get AMD microcode updates from anywhere else other
> than the distros and the internet archive.  Makes it somewhat more important
> to add the package to stable proper, IMHO.
> 
> Should we take this to the stable release manager?

Please do.

> Good, up-to-date packages *are* available in stable-backports, though.
> Sending word to the users to install those might make more sense and give
> better results, as people don't install these microcode packages by
> themselves.  I've seen an absurd increase of popcon results for the two
> microcode packages since the Recommends was added to firmware-linux.

Well, perhaps that can also be updated.

Ben.

-- 
Ben Hutchings
Q.  Which is the greater problem in the world today, ignorance or apathy?
A.  I don't know and I couldn't care less.

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