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Thu, 18 Aug 2022 00:27:24 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-841-g7899e99a45-fm-20220811.002-g7899e99a Mime-Version: 1.0 Message-Id: <5426d0f9-6539-477d-8feb-2b49136b960f@www.fastmail.com> In-Reply-To: References: <2b8a38fa-f15f-45e8-8caa-61c5f8cd52de@www.fastmail.com> <35f0d608-7448-4276-8922-19a23d8f9049@www.fastmail.com> <568465de-5c3b-4d94-a74b-5b83ce2f942f@www.fastmail.com> <9f2f608a-cd5f-4736-9e6d-07ccc2eca12c@www.fastmail.com> Date: Thu, 18 Aug 2022 00:27:04 -0400 From: "Chris Murphy" To: "Ming Lei" Cc: "Nikolay Borisov" , "Jens Axboe" , "Jan Kara" , "Paolo Valente" , "Btrfs BTRFS" , Linux-RAID , linux-block , linux-kernel , "Josef Bacik" Subject: Re: stalling IO regression since linux 5.12, through 5.18 Content-Type: text/plain X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 18, 2022, at 12:18 AM, Chris Murphy wrote: > On Thu, Aug 18, 2022, at 12:12 AM, Chris Murphy wrote: >> On Wed, Aug 17, 2022, at 11:41 PM, Ming Lei wrote: >> >>> OK, can you post the blk-mq debugfs log after you trigger it on v5.17? Same boot, 3rd log. But the load is above 300 so I kinda need to sysrq+b soon. https://drive.google.com/file/d/1375H558kqPTdng439rvG6LuXXWPXLToo/view?usp=sharing -- Chris Murphy