On 23.03.2021 09:32:10, Oliver Hartkopp wrote: > I wonder if the compiler configurations (gcc -v) or the options used at > kernel build time are identical. I tested several compilers and with my .config never triggered a problem, but with Rong Chen it does. I'm trying to figure out which option it is, stay tuned. Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |