From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ipmail06.adl6.internode.on.net ([150.101.137.145]:60726 "EHLO ipmail06.adl6.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727753AbfAIVDb (ORCPT ); Wed, 9 Jan 2019 16:03:31 -0500 Date: Thu, 10 Jan 2019 08:02:43 +1100 From: Dave Chinner Subject: Re: [PATCH] common/scsi_debug: make sure scsi_debug been removed correctly Message-ID: <20190109210243.GG27534@dastard> References: <20190109054845.93810-1-yangerkun@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190109054845.93810-1-yangerkun@huawei.com> Sender: fstests-owner@vger.kernel.org To: yangerkun Cc: guaneryu@gmail.com, houtao1@huawei.com, fstests@vger.kernel.org List-ID: On Wed, Jan 09, 2019 at 01:48:45PM +0800, yangerkun wrote: > Case generic/108 sometimes will fail while testing ext2, and the reson > is that rmmod scsi_debug in _put_scsi_debug_dev may randomly fail. Now > add the loop to do rmmod to make sure scsi_debug can be removed > correctly. Why does 'rmmod scsi_debug' randomly fail? What bug does ext2 have that prevents the scsi debug module from being released and hence removed? Cheers, Dave. -- Dave Chinner david@fromorbit.com