Re: arm64-net-install buster 10.2
On Monday 03 February 2020 14:53:09 Lennart Sorensen wrote:
> On Mon, Feb 03, 2020 at 01:50:25PM -0500, Gene Heskett wrote:
> > I have no "leveerage" with raspbian. They officially have zero
> > support for a realtime kernel. 4 posts to their forum in threads
> > related, over4 days have not elicited a reply from anyone.
> >
> > I have no problems building kernels on the rpi4b as I two SSD'd
> > mounted on sata-usb3 cables, so a full kernel bulld is under an hour
> > in wall time. I also, because its only a 2G pi, have a 10G swap
> > partition mounted, and the swapfile turned off to reduce pressure on
> > the u-sd card.
> >
> > The pi-4b is a whole new critter worth looking at.
> >
> > It is supported upstream by any linux-rt kernel newer than 4.14
> > although 4.14's support for the mali gfx isn't quite fully baked
> > until 4.19.y.
>
> Ehm, I was pretty sure all Raspberry Pi models have broadcom videocore
> graphics, and certainly not mali.
>
> > I am actually running a
> >
> > Linux rpi4.coyote.den 4.19.71-rt24-v7l+ #1 SMP PREEMPT RT Thu Oct 10
> > 15:22:22 EDT 2019 armv7l GNU/Linux
> >
> > right now, but a /boot/dts/overlays directory has apparently been
> > removed from newer ones, and I'm trying to find a workaround, or
> > make an arm64 boot work and rebuild LinuxCNC to run on a 64 bit
> > build. I'd settle for either scenario.
> >
> > So it would appear Len. And I'll repeat, the original 10.0
> > netinstall Just Worked, and felt dead stable, but now a 10.2 of this
> > buster doesn't even try to boot. The main diff is that there is now
> > a pair of ssd's on sata adaptors plugged into the usb-3 ports with a
> > total of 360G available as scratchpad workspaces.
>
> I don't see how adding USB disks should change anything.
>
> Did you upgrade the working 10.0 system, or did you do a new image?
> Because the only think that makes sense to me is that the 10.0 image
> wasn't a pure Debian image, but rather one modified enough for RPi4
> operation.
>
It Just ran, updated to 10.2 by apt upgreade. Nothing heroic at all.
> > Thanks Len, for any enlightement.
>
> I don't have a 4 (only a 2 and 3 so far). What I have read made me
> think that it simply should not work so far with Debian. There
> appears to be some unofficial modified images out that that should
> work.
Cheers, Gene Heskett
--
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Genes Web page <http://geneslinuxbox.net:6309/gene>
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