From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f176.google.com ([209.85.216.176]:40793 "EHLO mail-qt0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388075AbeG0RKO (ORCPT ); Fri, 27 Jul 2018 13:10:14 -0400 Received: by mail-qt0-f176.google.com with SMTP id h4-v6so5483831qtj.7 for ; Fri, 27 Jul 2018 08:47:44 -0700 (PDT) Date: Fri, 27 Jul 2018 11:47:42 -0400 From: Josef Bacik To: Ming Lei Cc: Josef Bacik , Ming Lei , linux-block Subject: Re: [Bug] block/for-next: IO hang in rq_qos_throttle Message-ID: <20180727154741.v2ubbwerblyug43a@destiny> References: <83C56CD1-93E0-41E3-AF41-27C4F33851FE@fb.com> <20180722072804.GA955@ming.t460p> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20180722072804.GA955@ming.t460p> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org 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