From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [REGRESSION] 8a3e33cf92c7 "ata: ahci: find eSATA ports and flag them as removable" changes userspace behavior Date: Thu, 25 Feb 2016 16:20:00 -0500 Message-ID: <20160225212000.GC6092@mtj.duckdns.org> References: <56CF35FA.1070500@redhat.com> <56CF57E5.7040808@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <56CF57E5.7040808@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: Laura Abbott Cc: Manuel Lauss , Linux-IDE , Linux Kernel Mailing List List-Id: linux-ide@vger.kernel.org Hello, Laura. On Thu, Feb 25, 2016 at 11:37:09AM -0800, Laura Abbott wrote: > The mounting comes from udisks. udisks will automount anything marked as removable > unless explicitly forbidden. You can argue whether or not this is good design but > it's still a change in behavior from what udisks was relying on to decide > whether or not to automount. lspci from the users hardware: > > 00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA > AHCI Controller (rev 06) It is a behavior change but difficult to characterize as a breakage, given that we do want userland to treat ports explicitly marked as external to be treated as such. That said, eSATA being mostly a fringe thing, we can go "whatever" and revert it. Let's hope it's a false positive that the patch can fix. Thanks. -- tejun