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Ryzen-Test & Stress-Run Make It Easy To Cause Segmentation Faults On Zen CPUs

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  • #51
    Originally posted by chuckula View Post

    Yeah that's a load of crap from Quaridiot who assumes that magically open sourcing CPU microcode will mean that bugs can't happen.

    Just like the open source OpenSSL has literally never had a single bug ever.

    Yeah -- just like that -- with the one major exception being that OpenSSL code is at least auditable using normal tools while CPU firmware by its very nature is going to be much more esoteric be it "open source" or not.

    I'd rather have one undergrad intern at AMD with a modicum of training trying to actually fix the microcode vs. a million Quaridiots drooling over themselves while they chant about open source and do nothing of value.
    you really think a monopole of the right to fix that bug is better for the customers than a customer who can pay anyone who is able to perform the bugfix ?

    i think you just fear free market because it maybe is to complex for your thoughts but i am 100% sure open-source allows free market and this is what will fix the bug in the end much better than this closed source model.
    Phantom circuit Sequence Reducer Dyslexia

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    • #52
      Pretty sure that small number of users thing is BS. It happens on my ryzen constantly using gcc.

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      • #53
        Yeah first fail happens on my 1700 in 36s and 5 fails within 132s
        Not too happy about it

        I knew I should never have bought a new architecture at its release.
        Next time, I'll wait for the second or third stepping

        It doesn't happen on windows so I wonder if a workaround could be implemented in the kernel.

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        • #54
          Originally posted by Qaridarium View Post

          you really think a monopole of the right to fix that bug is better for the customers than a customer who can pay anyone who is able to perform the bugfix ?

          i think you just fear free market because it maybe is to complex for your thoughts but i am 100% sure open-source allows free market and this is what will fix the bug in the end much better than this closed source model.
          Please take this to a different thread.

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          • #55
            Originally posted by debianxfce View Post
            Can you reproduce the problem with win10?
            The problem can be reproduced in Windows Subsystem for Linux (WSL).

            Originally posted by bridgman View Post
            Originally posted by nightmarex View Post
            (John there's threads you promised to drop an update in and haven't please do so)
            Is "John" in this case me ? If so, I don't think I promised (or even "said") that I would provide an update, just that I would make sure the info and concerns were getting to the right people. I did that, and posted back to confirm it.

            If that isn't how you read things could you try to point me to the threads ? Thanks...
            I don't remember such a thing either, and I think I read through all the threads on reddit, Phoronix and Gentoo forums. Closest I could find was this statement:

            Originally posted by bridgmanAMD on reddit
            I have asked the engineers working on it if we can arrange some kind of interim update.
            https://www.reddit.com/r/Amd/comment...y_bug/dk0j0rj/
            But there were no actual promises made about providing an update.

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            • #56
              Originally posted by chuckula View Post
              I'd rather have one undergrad intern at AMD with a modicum of training trying to actually fix the microcode vs. a million Quaridiots drooling over themselves while they chant about open source and do nothing of value.
              You really have quite an eye for people, indeed AMD is doing a wonderful job in not having the slightest idea where the problem lies. If you are incapable of doing anything of value, it doesn't mean everyone else must be like you.

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              • #57
                Originally posted by SaucyJack View Post
                Pretty sure that small number of users thing is BS. It happens on my ryzen constantly using gcc.
                Do you believe the vast majority of Linux [or large number of users] actually use GCC? I've got it installed and don't touch it. It's there for other bits that require it for certain side needs. Where's this bug in LLVM/Clang? Is there one?

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                • #58
                  Originally posted by Marc Driftmeyer View Post

                  Do you believe the vast majority of Linux [or large number of users] actually use GCC? I've got it installed and don't touch it. It's there for other bits that require it for certain side needs. Where's this bug in LLVM/Clang? Is there one?
                  The bug is in Clang but worse.... I can get twice the number of seg faults when using Clang.... 121 per hour... More details tomorrow. been running tons of tests all day.
                  Michael Larabel
                  http://www.michaellarabel.com/

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                  • #59
                    Originally posted by Shiba View Post

                    You really have quite an eye for people, indeed AMD is doing a wonderful job in not having the slightest idea where the problem lies. If you are incapable of doing anything of value, it doesn't mean everyone else must be like you.
                    yes right... if AMD would be so magically able to fix bugs like that in no time we not even would write about that problem here in the forum.
                    but fact is: the more complex a system is the more time and effort a company like amd need to perform to fix a problem like that.
                    open-source from the top to the bottom would reduce the complexity and would increase the amount of people who are able to fix the problem outside of AMD itself.

                    People who attack me because of this fact are really illogical because they as a victim defense there own offender/perpetrator/culprit.
                    I think this people just suffer from the Stockholm syndrome https://en.wikipedia.org/wiki/Stockholm_syndrome

                    they are in fact the victims who defend their own culprit.
                    Phantom circuit Sequence Reducer Dyslexia

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                    • #60
                      Originally posted by Michael View Post

                      The bug is in Clang but worse.... I can get twice the number of seg faults when using Clang.... 121 per hour... More details tomorrow. been running tons of tests all day.
                      Michael, maybe you are already doing this. But would be nice to perform the same tests on an Intel and an AMD (no Ryzen) CPU to show that they pass them, while Ryzen fails. This would possibly add to the evidence that the bug is actually in Ryzen (or in the motherboards).
                      Last edited by pjssilva; 08-04-2017, 08:50 PM.

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