Hi, I haven't experienced this issue in a while. Can you please provide further information? Is Weston running? Are you booting from a microSD card if yes what is the card? Potentially on a slower microSD cards there might be race conditions causing something like this. Best regards, Leon On 14.12.18 г. 9:46 ч., Dengke Du wrote: > Hi all > > Build steps: > > $ . meta-agl/scripts/aglsetup.sh -m raspberrypi3 -b ../build-rpi3 > agl-all-features > > $ bitbake agl-demo-platform > > I connect the hdmi port to display, but always black screen. > > _______________________________________________ > automotive-discussions mailing list > automotive-discussions@xxxxxxxxxxxxxxxxxxxxxxxxx > https://lists.linuxfoundation.org/mailman/listinfo/automotive-discussions -- Leon Anavi Software Engineer konsulko.com _______________________________________________ automotive-discussions mailing list automotive-discussions@xxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/automotive-discussions