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  1. #1
    Join Date
    Aug 2011
    Posts
    37

    Question Kernel 4.15.6+ Hans Early on Radeon 470/480/570/580 AMDGPU

    Does anyone else see this?

    I haven't been able to boot of any kernels since 4.15.3. I've had to remove all kernel updates for the past 4 weeks.

    Boot hangs after screen message: "switching to amdgpudrmfb from EFI vga". It doesn't even reach root fs, so, I'm not even sure how I could get more detailed logs. I'd be interested in how to do that, too, if anyone knows.

  2. #2
    Join Date
    Aug 2011
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    Re: Kernel 4.15.6+ Hans Early on Radeon 470/480/570/580 AMDGPU

    Works for me.

    glxinfo -B | grep Device
    Device: AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.23.0 / 4.15.13-300.fc27.x86_64, LLVM 5.0.1) (0x67df)

    Sounds like you have a firmware issue.

  3. #3
    Join Date
    Feb 2009
    Location
    Florida
    Posts
    595

    Re: Kernel 4.15.6+ Hans Early on Radeon 470/480/570/580 AMDGPU

    What platform are you running?
    I was on an AMD 1100T CPU and Radeon GPU and having lockup issues at a similar point in the boot process in the 4.14.18 and onward kernels.
    I made several changes and corrected the issue.
    It's difficult to say exactly which change actually corrected my issue, but I believe disabling the AMD IOMMU in BIOS and accepting the default use of SWIOTLB is a leading candidate.

    YMMV
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (970A) / AMD FX 8320 3.5Ghz x8/ 16GB/ 9TB Sata III/ AMD 6770HD/ fc28.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc27.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

  4. #4
    Join Date
    Aug 2011
    Posts
    37

    Re: Kernel 4.15.6+ Hans Early on Radeon 470/480/570/580 AMDGPU

    You can boot 4.15.13!? What the heck!?

    I have Ryzen 1800X on X370 mainboard.

    What do you mean by firmware? on my RX 480?

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