On Tue, 7 Aug 2018, Ard Biesheuvel wrote: > On 7 August 2018 at 19:39, Mikulas Patocka <mpatocka@xxxxxxxxxx> wrote: > > > > > > On Tue, 7 Aug 2018, Marcin Wojtas wrote: > > > >> Ard, Mikulas, > >> > >> After some self-caused setup issues I was able to run the test on my > >> MacchiatoBin with the kernel v4.18-rc8. It's been running for 1h+ now, > >> loading the CPU to 100% and no single error event... > >> > >> I built the binary file with: > >> gcc-linaro-7.2.1-2017.11-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcc -O2 > >> > >> Maybe it's the older firmware issue? > > > > I have downloaded and built the firmware recently (it has timestamp Jul 30 > > 2018). > > > > Do you still have your firmware file "flash-image.bin" that you used, so > > that I could try it? > > > >> Please send the full bootlog with > >> the very first line after reset. My board rev is v1.3 and I use > >> mainline UEFI (newest edk2 + edk2-platforms) + newest publicly > >> available ARM-TF and earliest firmware for this board. > >> > >> Best regards, > >> Marcin > > > > Mikulas, > > Is the issue reproducible with an nvidia card + nouveau driver as well ? > > Given the screen corruption i see with radeon even on other arm > systems, i'd like to ensure that this is a platform bug not a driver > bug. I see the same memcpy-to-framebuffer corruption on Radeon HD 6450 and nVidia Quadro NVS 285. 3D acceleration on nVidia is slow, but it doesn't have visible glitches. Mikulas