Re: AM4 Ryzen Port problem: timer irq issue maybe?

On Mon, Oct 30, 2023 at 07:24:14AM +0100, Rudolf Marek wrote:
> Hi Marty,
> 
> Dne 29. 10. 23 v 23:38 Marty E. Plummer via coreboot napsal(a):
> > Is this request the same as the kernel command line options given below
> > or something different? Forgive me, I've never had to do anything *too*
> 
> Well I don't know if coreboot can disable that. But basically you can try to change command line
> as noted below.
>
Wasn't expecting coreboot to do it, just stating I don't know many of
the more esoteric kernel cmdline options.
> > As above, does this turn off cstates and s2idle?
> 
> The idle=poll avoids Cx states and mem_sleep_default hopefully avoids s2idle.
> 
No apparent effect, either with or without irqpoll. Waiting a
significant amount of time does allow boot to complete with irqpoll, not
sure if I said this before.

Also, gave sata booting (note: the sata ports on this mobo come off the
x370 chipset, unless you have one of those m2 sata drives, which you
can, on stock firmware, use in either of the two m2 ports [one off the
cpu, the other off the chipset]) a try, and a mistake I made while
prepping the disk (installing and enabling sshd) reminded me of another
symptom I may not have mentioned on the ml.

After doing the usb plug/replug dance long enough for getty@ttyS0 to
spin up, I *can* use it, but the problem is, I have to type what I want
(won't show output), hit enter, unplug/replug the usb, and then the
command (or username/password) 'goes through.'
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