On Jan 11, 2019, at 09:29, Lorenzo Bianconi <[email protected]> wrote:
>>
>> I have an ALFA AWUS036ACM and whenever I plug it in, the XHCI driver
>> dies. This is on an ASRock X370 motherboard. Kernel 4.20 Arch Linux.
>>
>> After plugging in the adapter, the integrated wireless chip (Intel
>> 3168) also dies. Disabling the motherboard wireless does not help.
>> Here are two fairly similar logs. First with Intel 3168 and the second
>> with it disabled in UEFI.
>>
>
> [...]
>
>> Without iwlwifi:
>>
>> kernel: usb 1-14: new high-speed USB device number 3 using xhci_hcd
>> kernel: usb 1-14: New USB device found, idVendor=0e8d, idProduct=7612,
>> bcdDevice= 1.00
>> kernel: usb 1-14: New USB device strings: Mfr=2, Product=3, SerialNumber=4
>> usb 1-14: Product: Wireless
>> kernel: usb 1-14: Manufacturer: MediaTek Inc.
>> kernel: usb 1-14: SerialNumber: 000000000
>> mtp-probe[1400]: checking bus 1, device 3:
>> "/sys/devices/pci0000:00/0000:00:01.3/0000:03:00.0/usb1/1-14"
>> mtp-probe[1400]: bus: 1, device: 3 was not an MTP device
>> kernel: usb 1-14: reset high-speed USB device number 3 using xhci_hcd
>> kernel: mt76x2u 1-14:1.0: ASIC revision: 76120044
>> kernel: mt76x2u 1-14:1.0: ROM patch build: 20140408060640a
>> kernel: xhci_hcd 0000:03:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT
>
> Are you using the driver in a VM or directly in the host? This is an
> error reported by AMD iommu driver
Direct. No VM used. This is the only peripheral causing this issue.
>
> Regards,
> Lorenzo
