On Fri, Sep 05, 2014 at 10:01:44PM -0600, Alex Williamson wrote: > On Fri, 2014-09-05 at 20:00 -0700, Jason Newton wrote: > > Hi, > > > > I have an AR9462 connected over minipcie, it came with the ASRock > > FM2A88x-itx motherboard and I'm using an AMD A10-7850K cpu with it. When I > > have IOMMU enabled, and this is desirable for opencl related things, the > > AR9462 malfunctions with these two errors occurring: > > > > AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:00.1 > > address=0x000000fdf8080020 flags=0x0a00] This means that the device 00:00.1 is sending to the interrupt/EOI address-range while interrupt remapping is enabled. You can boot with intremap=off on the kernel command line to work around this problem. This looks either like another PCI aliasing issue or a 00:00.1 hidden device is sending interrupt requests (which it is not allowed to do). Joerg -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
