On Wed, Jan 16, 2019 at 3:20 PM Vincent Pelletier wrote:
>
> This bug happens only when the UDC needs to sleep during usb_ep_dequeue,
> as is the case for (at least) dwc3.
>
> [ 382.200896] BUG: scheduling while atomic: screen/1808/0x0100
> [ 382.207124] 4 locks held by screen/1808:
> [ 382
On Wed, Jan 16, 2019 at 7:37 PM He, Bo wrote:
>
> Hi, Green:
> if you check the latest kernel, you can see the below 3 patches
> introduce the cancelled_list feature can fix the issue:
>
> commit fec9095bdef4e7c988adb603d0d4f92ee735d4a1
> Author: Felipe Balbi
> Date: Wed Aug 1 13:56:50