Hi Oliver, > Hi, > > it is good that we have something that works. > It would be even better if we understood exactly how it works. In fact that > these patches work and are needed may very well indicate that error > handling on at least some XHCs does not work as expected. > > So a question and a request, if I may. > Did you run the test with autosuspend disabled? If so could you retest with it > enabled? I have only tested with autosuspend enabled. > Secondly could you run tests with > > commit 7c8f7af078a4eda73f347667d12584736e613062 > Author: Oliver Neukum <oneukum@xxxxxxxx> > Date: Thu Mar 5 11:16:02 2020 +0100 > > cdc-acm: close race betrween suspend() and acm_softint > > not applied (respectively reverted) with and without autosuspend? I ran a test with this commit reverted and saw no difference in behavior. i.e we do not get event spam with this commit reverted. I tested with enabled and disabled autosuspend. > > Regards > Oliver > > PS: When I submit upstream, may I add your 'Tested-by'? Sure, you can add me, but I have only tested that this specific problem seems to be solved. The normal functionality has not been tested properly yet on our side. //Jonas