Ubuntu
linux package

  1. Zesty (17.04)
  2. Bug #1667750
  3. Comment #183

Comment 183 for bug 1667750

Revision history for this message
In , stf_xl (stfxl-linux-kernel-bugs) wrote :

Berna(In reply to Bernhard from comment #20)
> I just tried replacing the xhci_ring.c file with the version from the 4.19
> kernel, that solved the problem. Then I started patching the code until the
> problem occurs again.
> The change in the function "static int process_bulk_intr_td" is causing the
> problem, it's part of this patch:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/
> drivers/usb/host/xhci-ring.c?id=9703fc8caf36ac65dca1538b23dd137de0b53233

Good findings, great. This seems to be part of

commit f8f80be501aa2f10669585c3e328fad079d8cb3a
Author: Mathias Nyman <email address hidden>
Date: Thu Sep 20 19:13:37 2018 +0300

    xhci: Use soft retry to recover faster from transaction errors

Just add information you found in the posted linux-usb email and CC "Mathias Nyman <email address hidden>" to make sure he is aware of the problem.