Spontaneous reboots when using RX 560

[Alex Deucher]

On Tue, Oct 22, 2019 at 7:01 AM Sylvain Munaut <246tnt at gmail.com> wrote:
>
> Hi All,
>
> More testing over the last few days showed that only either the lowest
> power mode, or slightly above can work. Oh, I also tested 5.4-rc3 just
> in case but same results.
> It doesn't seem to be the affected by PCIe lane speed, Memory seems
> stable at 625M and almost at 1500M (only the sustained heavy workload
> eventually bring it down), but the SoC speed seems pretty touchy.
>
> So that would seem to confirm something is wrong either in the power
> play table itself, or its interpretation by the linux driver.
> I tried brute-loading some other RX570 pptable into it, but that
> didn't really do much. After writing it to pp_table, the card was
> stuck at its lower clock mode. Working fine, but same as if I had
> forced it to low power.
>
> Is there anyway to extract the power play table from windows since
> it's running fine there ?
> I'm kind of running out of idea of what to try next.

Can you send me a copy of the vbios from that board?

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom