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Stable kernel for Radeon VII mining on ubuntu

I have been trying a couple kernel, and they all have different issues so far. For example:

5.4.0-77 – I can’t build the amdgpu driver at all

5.4.0-54 – While the driver can be built, then I cannot set the core voltage or clock

5.11.0-22 HWE, While I can build the driver and set core clock and voltage, I cannot apply the change in kernel to enable C mode for Radeon VII.

Following the guide:

[https://github.com/todxx/teamredminer/blob/master/doc/ETHASH_TUNING_GUIDE.txt](https://github.com/todxx/teamredminer/blob/master/doc/ETHASH_TUNING_GUIDE.txt)

Step 4: Go to the line where you see GRUB_CMDLINE_LINUX_DEFAULT and insert these parameters inside the quotes and then save/quit the file:

* amdgpu.vm_block_size=10 amdgpu.vm_size=1024

Step 5: Update grub:

* update-grub2

Step 6: Reboot your mining rig for the changes to take effect and go back into shellinabox.

Step 7: Double check if you did the previous steps properly by using the following command. If you did everything properly, you should see ‘block size is 10-bit’

* dmesg | grep “drm.*block size”

But the last line did not return anything. However, I remember a certain previous kernel did return 10 bit.

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In short, what kernel works best for you? And maybe what version of ubuntu?

Thanks.

What do you think?

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Has anyone had this error when mining?