garbled screen with RPI4 on 5.10-rc2
maxime at cerno.tech
Thu Dec 17 09:15:09 EST 2020
On Thu, Dec 03, 2020 at 05:00:07PM +0100, Lucas Nussbaum wrote:
> Hi Maxime,
> On 03/12/20 at 16:34 +0100, Maxime Ripard wrote:
> > > I built a kernel using the 5.10.0-rc2 tarball.
> > > I put /boot and /lib/modules at
> > > https://people.debian.org/~lucas/tmp/linux-5.10.0-rc2.tgz so you can
> > > untar this on your machine and (hopefully) reproduce the problem.
> > Sorry this took a bit of time
> > I downloaded that kernel, dropped it on my SD card and updated
> > config.txt to point at the new kernel and initramfs image. However,
> > unlike the 5.9 kernel, it doesn't seem to boot at all: there's nothing
> > on the UART or the HDMI output.
> > Did you update the archive since your mail, or does it ring any bell?
> No, I did not update the archive. Did you copy the dtb files as well?
> I assume you compared config.txt and cmdline.txt with mine?
Just so you know, I reproduced it today with a 5.10 kernel plugged into
a 4k60 monitor. It doesn't look like it occur often, but I'll try to
find what's going on.
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