Re: IRQ behaivour has been changed from v4.14 to v4.15-rc1
From: Andy Shevchenko
Date: Fri Dec 29 2017 - 07:06:20 EST
On Thu, 2017-12-28 at 22:59 +0100, Thomas Gleixner wrote:
> On Thu, 28 Dec 2017, Thomas Gleixner wrote:
> > On Thu, 28 Dec 2017, Andy Shevchenko wrote:
> > > 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?
Yes, they are MSI.
> And looking at the log, I see that you can load the driver
> successfully and
> the trouble starts afterwards when you actually use it.
> Can you please enable CONFIG_GENERIC_IRQ_DEBUGFS and after login,
> which interrupt is assigned to that atomisp thingy and then provide
> output of
> cat /sys/kernel/debug/irq/irqs/$ATOMISPIRQ
Full log, including output of the above.
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy