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arcologos-infra/debugging/001-Ubuntu-22.04/02-Second-Install.md

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Second / Third Install

During the second /third install, I believe I focused on flashing the GPUs using the amdvbflash tool, the successor to atiflash that is a command-line Linux tool.

My hypothesis was that the overclocked BIOS was preventing kernel drivers from detecting it with clinfo or rocm-smi but I now consider that unlikely. Such an failure would have been unstable performance.

The cards were not detected and the driver modules not loaded in the kernel at all .

PCIe Level Gen 2

There appears to be a speed negotiation setting in BIOS for communication over the PCI Express bus.

One forum thread recommended setting it to Gen 1, but I haven't found any issues with speed connection so far. I might try it again later.

Netboot

I set the BIOS / UEFI setting to Boot-on-LAN, which I assumed was the same as Netboot, but continued getting to GRUB.

Perhaps I need to disable all the other boot volumes in order to get Netboot into the boot order. Something to try later.