On Sun, Jul 22, 2018 at 03:28:05PM +0800, Ming Lei wrote: > On Sun, Jul 22, 2018 at 02:15:38AM +0000, Josef Bacik wrote: > > Yup I sent a patch for this on Thursday, sorry about that, > > > > I just applied the patch of 'blk-rq-qos: make depth comparisons unsigned', > looks the same IO hang can be triggered too. Ok I'm back from vacation and I'm trying to reproduce but it's not happening for me. What testing infrastructure is this? blktests and xfstests don't have a sanity/ in their test suites. I'm wondering if there's something else about the test that I'm missing. Thanks, Josef