From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f174.google.com ([209.85.161.174]:37639 "EHLO mail-yw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752331AbeDBQYb (ORCPT ); Mon, 2 Apr 2018 12:24:31 -0400 Date: Mon, 2 Apr 2018 09:24:25 -0700 From: Tejun Heo To: Meelis Roos Cc: Bartlomiej Zolnierkiewicz , Linux Kernel list , linux-ide@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: 4.16-rc2+git: pata_serverworks: hanging ata detection thread on HP DL380G3 Message-ID: <20180402162425.GB388343@devbig577.frc2.facebook.com> References: <1597679.yzYZqmDdA5@amdc3058> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org Hello, On Fri, Mar 30, 2018 at 11:47:24AM +0300, Meelis Roos wrote: > Added CC-s, start of the thread is at > https://lkml.org/lkml/2018/2/26/165 > > > > > 4.16 git bootup on HP Proliant DL380 G3 pauses for a a minute or two and > > > > then continues with "blocked for more than 120 seconds" message with > > > > libata detection functions in ther stack - > > > > async_synchronize_cookie_domain() as the last. It seems to happen during > > > > IDE CD-ROM detection (detected before but registered as sr0 after the > > > > warning). After detection, the eject button on the drive did not work. > > > > > > > > > > > > pata_serverworks is the libata driver in use. > > > > There were no changes to pata_serverworks since 2014 and libata changes > > in v4.16 look obviously correct.. > > > > > This is still the same in 4.16.0-rc7-00062-g0b412605ef5f. > > > > Any chance that you could bisect this issue? > > Bisected to the following commit: > > 358f70da49d77c43f2ca11b5da584213b2add29c is the first bad commit > commit 358f70da49d77c43f2ca11b5da584213b2add29c > Author: Tejun Heo > Date: Tue Jan 9 08:29:50 2018 -0800 > > blk-mq: make blk_abort_request() trigger timeout path Can you share the .config file? Thanks. -- tejun