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Ryzen freeze or AMDGPU+GCN 1.1 bug?

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  • #11
    same problem with gcn 1.0 + ryzen 1700 + ubuntu 18.04 generic kernel 4.15.4

    problem first appeared when i i upgrad to ryzen 1700

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    • #12
      Originally posted by paupav View Post
      same problem with gcn 1.0 + ryzen 1700 + ubuntu 18.04 generic kernel 4.15.4

      problem first appeared when i i upgrad to ryzen 1700
      All I can say is:
      1) Update your motherboard BIOS, and search for a setting like this: "Typical Current Idle". Make sure you change it to ON (do not leave it in "Auto". It must be manually enabled)
      I have a Gigabyte motherboard, and the setting can be found here:
      M.I.T->
      Advanced Frequency Settings ->
      Core Settings ->
      *Power Supply Iddle Control = Typical

      The names can be different from one motherboard brand to the other.

      2) Edit /etc/modprobe.d/blacklist.conf and add "blacklist amdgpu" to the bottom. After that run "sudo update-initramfs -u -k all". This way you will make sure it won't be loaded.


      I was able to ahve a 100% reliable system by doing those two steps. The first step "fixes" this very public and widespread bug: https://bugs.launchpad.net/ubuntu/+s...x/+bug/1690085
      The second step (I think) is related to the power management with AMDGPU on some cards (I own an AMD 390x, which is GCN 1.1). I'm going to enable AMDGPU again right after they release kernel 4.19, which is supposed to have new power management features (and I hope they fixed this bug as a side effect)

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      • #13
        Small update for people coming to this post from google . This was finally fixed, as you can see here:
        https://bugs.freedesktop.org/show_bug.cgi?id=91880

        The fix consist in <step 1 from previos post>, and upgrading the kernel. Good luck!

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