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On 12/05/2017 01:05 AM, Daniel K wrote:
Hello,
I'm trying out coreboot for the first time. This is great work you are all doing.
Having a few issues with my ASUS KGPE-D16 and wonder if anyone could help.
The issue is that my CPU fans appear to spin at maximum speed at all times, and the whole boot process is black until my Debian login screen.
The full speed fan is normal. These are server boards and coreboot purposefully sets the fans to full speed until the OS boots and can take over fan control duties via 'fancontrol' [1] or a similar application. Note that the 'w83795' kernel module is required for this to work.
Alternatively, you can install a reflashed iKVM module with the beta version of the OpenBMC port for this board [2]. This is somewhat more complex, but if you have all of the fan connectors plugged in the BMC can handle fan control independently from the host CPU. If you have only a handful of fans, or very slow fans, connected, then you would need to modify the OpenBMC source and rebuild, since OpenBMC has no way of determining whether uninstalled / slow fans are disconnected or failed.
Hope this helps!
[1] https://linux.die.net/man/8/fancontrol [2] https://www.raptorengineering.com/coreboot/kgpe-d16-bmc-port-status.php
- -- Timothy Pearson Raptor Engineering +1 (415) 727-8645 (direct line) +1 (512) 690-0200 (switchboard) https://www.raptorengineering.com