On Mon, Jul 14, 2014 at 01:26:42PM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Jun 25, 2014 at 04:40:31PM +0800, Jiang Liu wrote:
> > This patch set enhances IOAPIC core and ACPI drivers to support IOAPIC
> > hotplug on x86 platforms. It's based on tip/x86/apic.
> > 
> > You may pull it from 
> > https://github.com/jiangliu/linux.git ioapic/hotplug_v3
> 
> With this patchset (on top of 3.16-rc5) my USB driver gets notified
> it has interrupts but it thinks it does not have to acknowledge any.
> I can only reproduce this under a 32-bit arch so far.
> 
> Please see the good.log and the bad.log 

tglx asked for apic=debug on the line, so here they are again with
those parameters.

Please note that the 'good.log' this time is
 3.16-rc6 + tip/master + tip/x86/apic

And 'bad.log' is:

 3.16-rc6 + tip/master + tip/x86/apic + ioapic/hotplug_v3