On Wed, Jan 24, 2024 at 02:09:43PM +0000, Zhangzhansheng wrote: > Mathias: > > Thank you very much! > > > This issue was resolved in 5.19 kernel with patch: > > 25355e046d29 xhci: use generic command timer for stop endpoint commands. > > > After this patch the timer is started when xHC start processing the command, not when driver queues it. > > I strongly recommend trying a more recent kernel where all these issues are fixed already. > > I see 5.19 kernel has done what you say. > > Because the kernel version of our company is 4.65 , I need to put the patch to our 4.65 kernel we used. There is no such kernel version. > Today compared to the latest kernel is 6.7, I found there are a lot of changes for usb module between kernel 4.65 and 6.7. > > Could you provide me for the issues patch. If you are stuck at an older kernel version, you are responsible for keeping it up to date, please get support from the people who are requiring you to use an older and obsolete kernel version, this is what you are paying them for. good luck! greg k-h