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On 11/20/2016 01:29 PM, Taiidan@gmx.com wrote:
I have tried booting with multiple gentoo kernels but every time it either hangs on amd_pmu_init ("amd performance counters") with a stack trace or simply black screens and reboots quickly.
The stack trace would help. This is probably a kernel issue; Gentoo may have enabled a little-used feature and it may not work correctly under coreboot. Need the trace to debug further.
- (if anyone knows) How come I have to run fancontrol/pwmconfig to get
the fans to slow down? The proprietary bios had the same issue until I found an option for "whisper" fan control mode.
The KGPE-D16 is a server board; as such, it is appropriate to set fans to full speed until the OS-based thermal management controls can take over. Without this feature, a system that overheated (e.g. if fans were set to a low RPM incorrectly) may either get stuck in a reboot loop or power down entirely in a remote location. Needless to say, requiring physical intervention over this type of fault is undesirable in a server system.
- -- Timothy Pearson Raptor Engineering +1 (415) 727-8645 (direct line) +1 (512) 690-0200 (switchboard) https://www.raptorengineering.com