> > > Wow that's an old kernel. > > Indeed. Long running project. > > > > > Can you reproduce this on a "clean" 5.1 kernel release? > > As this is an automotive embedded target, we currently have 4.14.102 as the newest custom kernel. > > 4.14.102 is still old. I agree > > Porting a 5.1 will take a lot of effort. > > Then that implies you have an SoC with a few million lines of code added > to the kernel, right? Nothing we can do here about that mess, you need > to go ask for support from the vendor that is forcing you to use that > kernel, sorry :( > Well its at least an x86-64 based SoC. I'll contact the vendor for sure. > good luck! Thanks. Will need it. ;-) Carsten