Did PCI/IRQ allocation change significantly after 4.2 kernel?

[Greg KH]

On Tue, Mar 29, 2016 at 07:42:44AM -0700, Greg KH wrote:
> On Tue, Mar 29, 2016 at 02:15:23PM +0000, Rob Groner wrote:
> > I’m investigating why our drivers no longer work correctly after the 4.2
> > kernel.  I have verified that in the 4.4 kernel, interrupts no longer work for
> > us as they did before.  Here are the symptoms:
> 
> What drivers are these?  Do you have a pointer to the source for them?
> 
> And what platform are you having these problems on, x86, arm64,
> something else?

Also, can you use 'git bisect' to find the problem commit?  That might
be the easiest way forward.

thanks,

greg k-h