On 03/27/2012 10:42 AM, Jiri Slaby wrote:
> On 03/27/2012 10:40 AM, Jiri Slaby wrote:
>> I'm getting spurious interrupts leading to disabling the interrupt:
>> 42: 1916853 2471662 PCI-MSI-edge i915@pci:0000:00:02.0
>> The message:
>> irq 42: nobody cared (try booting with the "irqpoll" option)
>> Pid: 20716, comm: virtuoso-t Not tainted 3.3.0-next-20120326_64+ #1673
>> It is not new, but now I can reproduce it more-or-less reliably after an
>> hour or so. It usually happens when playing a game using wine.
>> Do you want me to dump some registers when IRQ_NONE is returned from the
>> ISR? As this is MSI, nobody else can sit there.
The handler *constantly* returns IRQ_NONE.
With this patch:
@@ -28,6 +28,7 @@