On Thu, May 23, 2019 at 12:16:59PM +0000, Schmid, Carsten wrote: > > 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. > 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 :( good luck! greg k-h