On Thu, 28 Dec 2017, Andy Shevchenko wrote: > On Thu, 2017-12-28 at 21:18 +0100, Thomas Gleixner wrote: > > Yes, you missed the typo in the command line. It should be: > > > > 'trace_event=irq_vectors:* ftrace_dump_on_oops' > > Indeed. > > So, I had to disable LOCAL_TIMER_VECTOR, CALL_FUNCTION_VECTOR and > RESCHDULE_VECTOR tracing, otherwise I got a lot of spam and RCU stalls. Fair enough. > The result w/o above is (full log is available here https://pastebin.com > /J5yaTbM9): Ok. Which irqs are related to that ISP thingy? Are these interrupts MSI? Thanks, tglx