On Wed, Jul 16, 2014 at 11:01:45AM +0800, Jiang Liu wrote: > Hi Konrad, Hey Jiang, > We have found the root cause with your great support. If BIOS > assigns an IRQ number for a PCI device, acpi_pci_irq_enable() fails to I would think that is a common scenario? > assign IOAPIC IRQ then due to the check: > if (dev->irq > 0) > return 0; I should really look in the code to figure this out - but I think your patch will have a detail analysis that will make tglrx happy, so will just wait till then :-) > For a quick workaround, just comment out above check. But we > need some time to figure out a clean fixup for it. We will send out new > version once it gets resolved. Excellent. Once you do, please do give me the git tree so I can slurp it in my testing > Thanks for your great help again. Of course! Thank you for your quick turn-around. > Regards! > Gerry > On 2014/7/16 0:10, Konrad Rzeszutek Wilk wrote: > > already assigned IRQ -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html