Hi Nicolas, Am 05.03.20 um 11:44 schrieb Nicolas Saenz Julienne: > Hi Stefan, > > On Tue, 2020-03-03 at 20:24 +0100, Stefan Wahren wrote: >>>>> Note: I tested this on RPi3b, RPi3a+ and RPi2b. >>>> as i already wrote this prevent X to start on current Raspbian on my >>>> Raspberry Pi 3A+ (multi_v7_defconfig, no u-boot). We must be careful here. >>>> >>>> I will take a look at the debug UART. Maybe there are more helpful >>>> information. >>> It seems we're seeing different things, I tested this on raspbian >>> (multi_v7_defconfig) and on arm64. I'll try again from scratch tomorrow. >> My modifications to the Raspbian image (from 13.2.2020) are little: >> >> - specify devicetree to config.txt >> - change console to ttyS1 and remove "silent" in cmdline.txt >> - rename all original kernel7*.img >> - copy dtb and kernel7.img to boot partition >> - copy kernel modules to root partition > Would you mind retesting with the latest linux-next? I validated an image based > on 5.6.0-rc4-next-20200305-00001-g285a7a64cd56 and a fresh raspbian download on > RPi3a+ without X issues. i retested with todays linux-next and the issue persists on my RPi 3A+ / HP ZR2440w with this patch applied. I will try more hardware combinations tomorrow to see, this issue is more board or display related. Best regards Stefan