On 11/27/2017 04:17 PM, 'Marek Jenkins' via qubes-users wrote:
I take it you are using coreboot? if you aren't you should, otherwise
you need to change the "primary video" option in the BIOS - which will
solve your issue.
Hi Tai,
no I tried to use Coreboot with default settings (Seabios), compiling and
flashing the .rom on the chip was easy. But with Coreboot BIOS the screen
stayed black. What made me change back to the default BIOS was, is the fact
that the CPU fans got really loud (full-speed) shortly after booting.
You need to either run fancontrol/pwmconfig or use the Raptor OpenBMC
beta with the ASMB4-iKVM chip that came with your board, as coreboot
doesn't handle fan control. (and thus sets them at full speed)
I have the same board - and I can use either the onboard vide or my
pci-e GPU without issues. Did you reset the CMOS after you flashed
coreboot like the wiki instructed?
How long did you wait for coreboot to boot? if you keep the log level at
max it will take around 60 seconds, otherwise lower it to 2 (what I use)
for 10 second boot. I thought the same thing when I started using it
(that it was broken) until I got a null model cable and noticed that it
was in fact booting.
Lower the log level in menuconfig. (this really should not be a default)
I removed some of the RAM which at least solved the issue with the loud fans,
so I assumed my RAM (Kingston ValueRam) might be incompatible with Coreboot ?
Naah, you can use any RAM - the memory compatibility issues were fixed a
long time ago.
Do you have an idea why coreboot boot failed for me ?
Thanks a lot for the hint with VGA boot priority!
I have now found the VGA settings in the BIOS and did the following:
- Enable IOMMU
Don't forget to enable HVM etc as well.
- Set GPU Boot Priority to "PCIe VGA" instead of "Onboard VGA"
This only partly solves my issue. Now, I can at least boot without issues when
the PCIe graphics card is connected to the PCI slot. But I can still only
finish the boot process, when I use the VGA Onboard graphics because I still
get the same error message as before with the PCIe card:
ERST: Failed to get Error Log Address Range.
BERT: Can't request iomem region
<00000000ccffa....................................>
Strange - this would probably be an OS problem as it works fine for me.
What BIOS revision are you using as the default BIOS?
Nevertheless, I still have a working signal on my VGA onboard graphics card and
can simply continue with the boot process there by switching the connection
from HDMI to VGA (hope you get what I mean).
After booting completely, there is still no signal on the PCIe VGA card.
Could I have dmesg, xl dmesg and (as root) # lspci -vv please?
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