On Sun, Aug 06, 2017 at 06:38:45PM +0300, Thanos Baloukas wrote:
> On 06/08/2017 05:57 μμ, Alan Feuerbacher wrote:
> > On 8/5/2017 10:58 PM, Thanos Baloukas wrote:
> > 
> > > I'm going to buy a new system to speed up lfs builds. From what I read
> > > the new AMD Ryzen 7 1700 would be a good choice for this job. Has anyone
> > > tested this processor on lfs?
> > 
> > In early May I bought a new ASUS TUF motherboard, Intel 3770 processor,
> > and 32G of ram. LFS builds quickly on this new system. I would think
> > that the new AMD processor would be similar.
> > 
> Thanks. My concern is not that much on speed, various benchmarks
> I've seen show it's fast enough. What I have in mind is stability
> and compatibility. Segmentation faults, software produced not running
> on other machines and such.
For not running on other machines, my usual answer is to blame gmp.
Nowadays I always use the fsf config scripts in gmp:

cp -v  config{fsf,}.guess
cp -v config{fsf,}.sub

and then run configure.  I don't _expect_ to run binaries on a
different machine, but this seems a safer thing to do.

For Ryzen, I hope to get one - but I need to sort out various things
first (e.g. my KVM switches and monitors all use D-SUB, I don't see
me coming up with a quick solution to that).  But in the last week I
remember seeing a post on lkml about problems with Ryzen, and it
seems there are a lot of reports.

One thread starts at
and it looks as if segfaults are common.

Other reports, e.g. at phoronix, note that some users are seeing the
problems and others aren't.

I live in a city. I know sparrows from starlings.  After that
everything is a duck as far as I'm concerned.  -- Monstrous Regiment
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