[Bug 193651] Amdgpu error messages at boot with Amd RX460

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=193651

Milo (milomak@gmail.com) changed:

           What    |Removed                     |Added
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                 CC|                            |milomak@gmail.com

--- Comment #15 from Milo (milomak@gmail.com) ---
(In reply to fin4478 from comment #8)
> Alex, thanks for the new firmware. Still Bios recognition errors at boot,
> but otherwise ok.
> 
> [    3.461112] [drm] BIOS signature incorrect 20 7
> [    3.461117] amdgpu 0000:01:00.0: Invalid PCI ROM header signature:
> expecting 0xaa55, got 0xffff
> 
> Steven, you are using Tonga gpu and radeon kernel driver that fails at  boot
> and the system using VESA driver. The amdgpu driver has support for Tonga,
> but you need to make a custom 4.11-wip kernel. Stock distribution kernels do
> not have stable amdgpu code. Creating a custom kernel in Debian:
> Use the command: 
> git clone -b drm-next-4.11-wip git://people.freedesktop.org/~agd5f/linux
> 
> The kernel configuration file of Debian Official kernel are available in
> /boot, named after the kernel release. Copy the .config file to the linux
> directory. Connect all your devices and run the command: make
> localmodconfig. You can use the command make defconfig too for creating
> initial .config file. 
> 
> Use the command: make xconfig and check that you have enabled: Reroute
> Broken IRQ, Virtualization KVM and 300Hz CPU timer, I also disabled Swap,
> Kernel Debug, CPU Freq scaling , Cpu handling in Acpi, Used Bios to control
> CPU and devices. In the drivers->graphics->amdgpu enable cik support for a
> gcn 1.1 gpu and si support for a gcn 1.0 gpu.
> 
> Create debian kernel package:
> export CONCURRENCY_LEVEL=4
> fakeroot make-kpkg --initrd kernel_image
> 
> Install the kernel package with Gdebi. To make a custom kernel to boot, add
> a line to /etc/initramfs-tools/modules:
> unix
> And run: sudo update-initramfs
> Reboot.

I tried the above but notice that it fails when trying to build headers. 

If I am trying to build a 4.10.5 kernel, could I copy files from what was
downloaded when I ran the git command?

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