AMD Bios, etc..

By: Anon (no.delete@this.email.com), August 14, 2019 11:39 pm
Room: Moderated Discussions
Adrian (a.delete@this.acm.org) on August 14, 2019 5:06 am wrote:
> Gian-Carlo Pascutto (gcp.delete@this.sjeng.org) on August 14, 2019 1:33 am wrote:
> >
> > I look forward to reading a rant about the current state of AMD's BIOSes and memory
> > support though. (Goes on to RMA some DDR4 because it won't boot in his 3900X...)
> >
> > --
> > GCP
>
>
> This time the AMD CPUs are in a much better shape immediately after
> launch, so such rants are much less likely than in 2017.
>
>
> While in 2017 the first Ryzen was not able to even compile gcc without errors, now we have
> reports that e.g. a Ryzen 9 3900X can compile the entire DragonFlyBSD distribution with all
> its packages in a little bit more than 24 hours, without any issues, or that an (expensive)
> EPYC 2 server can compile the Linux kernel in 16 seconds, LLVM in 82 seconds and the complete
> gcc with all languages in 730 seconds, also without any problems (see at Phoronix).
>
>
> Even if there were a few problems with the software compatibility, e.g. with RDRAND and with the initialization
> of the segment registers after reset, I have not heard yet about any hardware problems.


While I quite like Ryzen myself (currently setting up a little 3200G for a client.. and its more than enough), I think there is quite an issue touched on above..

For a fairly long time, I have used 90% Intel Chipset/CPUs for projects, and 10% AMD.
I would say the ratio would be much closer to 50/50 except for one area, chipset/driver/bios stability.

AMD has had a long history of good ideas with terrible software support, it seems.

Prior to Ryzen, my last use of them was Kaveri APUs (yes, I often need a semi-competent GPU..) and these were not bad at all, except for a TERRIBLE chipset Raid, and long term driver memory leaks that meant machines seemed to need a weekly (at best) reboot, and a 6 monthly drive format.

Further back, there were almost always issues of one type or another - and almost always to do with chipset..

A similar thing can be seen with Nvidia vs ATI/AMD graphics cards - NVidia was generally (not always) a rock when it comes to driver compatibility - AMD was much much less so.

Now, both areas SEEM to have improved, however history is history - and I must admit some trepidation any time I start evaluating a new AMD platform..

This is a problem with no easy fix, unfortunately. Having said that, so far Ryzen has been good to me - however it is early days.
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                      Kernel compile 25-30s, noise 25-27dBGian-Carlo Pascutto2019/08/14 09:01 AM
                      AMD Bios, etc..Anon2019/08/14 11:39 PM
                        AMD Bios, etc..hobold2019/08/15 07:10 AM
                          AMD Bios, etc..Anon2019/08/15 04:20 PM
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                          AMD Bios, etc..Adrian2019/08/15 09:16 AM
                          AMD Bios, etc..Gro2019/08/15 10:57 AM
                        AMD Bios, etc..David Hess2019/08/16 05:39 AM
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      Big gotchas: poor specsDummond D. Slow2019/08/10 01:57 PM
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      RDRAND issueLinus Torvalds2019/08/10 04:15 PM
        RDRAND issueGionatan Danti2019/08/11 01:35 AM
          RDRAND issueLinus Torvalds2019/08/11 10:43 AM
            RDRAND issueLinus Torvalds2019/08/11 11:05 AM
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                    Err....Brendan2019/08/11 08:50 PM
                    Err....Jukka Larja2019/08/12 07:38 AM
                  RDRAND issueJose2019/08/12 02:33 AM
              RDRAND issueGionatan Danti2019/08/11 02:12 PM
            RDRAND issueaaron spink2019/08/12 09:18 AM
      RDRAND issuename2019/08/11 09:35 AM
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