> > 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 Regards, Lorenzo