Hey Sven,

sorry just wondering have you tried running an alternate OS  and or memtest
x86 to see if the computer CPU memory is behaving its self  ?

also if it is an intel raid controller it usually has about 3 differentnt
settings (and alters the controllers firmware to present different
hardware   to the os

(legacy--->raid--> AHCI -->Enhanced)
Hope this helps


On Tue, 9 Feb 2021 at 20:56, Sven F. <[email protected]> wrote:

> Dear readers,
>
> I found a computer which behaves oddly.
> Only EFI boot is supported, I usually go the MBR way.
> The bios looks like a classic AMibios Intel stuff.
> The cpu is intel and there's an intel HD5500 graphic card
> ( trying to extract proper dmesg fails so far )
>
> When booting 6.8 basic amd64 installation the video
> signal is completely lost and network too ( suspect crash )
>
> I tried to `set  db_console 1` and change video mode
> with machine video before booting, and entering
> `boot dump` blindly ( video off )
> but after rebooting in bsd.rd /var/ has no dmesg.anything
> or some log
>
> I think the last line of boot i see is 'softraid0'
>
> There's probably a few tricks I should try to get the actual
> message, I will do my best to extract the (bsd.rd) dmesg now and post it as
> a reply ( and try boot current )
>
> Is there some boot option i can use or something i can do
> to extract the errors ? ( i do not see com ports anywhere either )
>
> Thank you for reading.
> --
> --
>
> ---------------------------------------------------------------------------------------------------------------------
> Knowing is not enough; we must apply. Willing is not enough; we must do
>
>

-- 
Kindest regards,
Tom Smyth.

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