On Wed, Oct 07, 2020 at 09:41:17PM +0200, Corentin Labbe wrote: > I have added CONFIG_FTRACE=y and your second patch. > The boot log can be seen at http://kernel.montjoie.ovh/108789.log > > But it seems the latest dump_stack addition flood a bit. Heh, sorry for making it spew, there wasn't such a flood when I tried. Your output is sufficiently incriminating, so I'll go post the fix now. > I have started to read ftrace documentation, but if you have a quick what to do in /sys/kernel/debug/tracing, it will be helpfull. Sure, you can view the trace in /sys/kernel/debug/tracing/trace and kernel-parameters.txt has the boot options documented.
