On Sat, Nov 05, 2022 at 03:31:19PM +0100, Marc SCHAEFER wrote: > Hello, > > On Fri, Nov 04, 2022 at 11:52:57AM +0100, Marc SCHAEFER wrote: > > so far I could install a 5.10 kernel on buster (that kernel contains drivers > > and some firmwares, in form of .ko). > > I just compiled some stock kernels from kernel.org using make bindeb-pkg > > The results: > > 4.19.260 HAS NOT the bug > 4.19.264 HAS NOT the bug > 5.0.1 HAS the bug > 5.1 HAS the bug > > If I understand it well, 5.0.1 is the first ever 5.x kernel and > 4.19.264 the latest 4.x kernel. Unfortunately I don't find a relevant change between v4.19 and v5.0. The only chance I can see would be to bisect between those kernel versions to try to find the responsible commit. Guenter