Hi Mathias, On 20 December 2016 at 23:13, Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> wrote: > On 20.12.2016 09:30, Baolin Wang wrote: > ... > > Alright, I gathered all current work related to xhci races and timeouts > and put them into a branch: > > git://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git > timeout_race_fixes > > Its based on 4.9 > It includes a few other patches just to avoid conflicts and make my life > easier > > Interesting patches are: > > ee4eb91 xhci: remove unnecessary check for pending timer > 0cba67d xhci: detect stop endpoint race using pending timer instead of > counter. > 4f2535f xhci: Handle command completion and timeout race > b9d00d7 usb: host: xhci: Fix possible wild pointer when handling abort > command > 529a5a0 usb: xhci: fix possible wild pointer > 4766555 xhci: Fix race related to abort operation > de834a3 xhci: Use delayed_work instead of timer for command timeout > 69973b8 Linux 4.9 > > The fixes for command queue races will go to usb-linus and stable, the > reworks for stop ep watchdog timer will go to usb-next. How about applying below patch in your 'timeout_race_fixes' branch? [PATCH] usb: host: xhci: Clean up commands when stop endpoint command is timeout https://lkml.org/lkml/2016/12/13/94 > > Still completely untested, (well it compiles) > > Felipe gave instructions how to modify dwc3 driver to timeout on address > devicecommands to test these, I'll try to set that up. > > All additional testing is welcome, especially if you can trigger timeouts > and races I will try to test these patches. -- Baolin.wang Best Regards -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html