Re: kern/50038: udl (DisplayLink GX-DVI_U2B) alignment fault on earmv6hf NETWALKER

[MOCHIDA Shuji <mochid%netside.co.jp@localhost>]

> You could try removing BUS_DMA_COHERENT from the bus_dmamem_map call - see diff.

That change seems to cause USB errors. USB ports are unusable.


  :
uhub0 at usb0: vendor 0000 DWC2 root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 1 port with 1 removable, self powered
  :
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
uhub0: port error, restarting port 1
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
uhub0: port error, restarting port 1
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
uhub0: port error, restarting port 1
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
uhub0: port error, restarting port 1
usbd_new_device: addr=2 bad max packet size=0. adjusting to 64.
uhub0: device problem, disabling port 1
uhub0: port error, restarting port 1
uhub0: port error, giving up port 1
  :


-mochid