From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: SATA port multiplier(Marvell 6121 with ahci) and Marvell 4140, simg 3726 Date: Fri, 29 Aug 2008 15:28:09 +0200 Message-ID: <48B7F969.7060600@kernel.org> References: <788014650807302022j30cea641wcfe4105ac8702b8c@mail.gmail.com> <48918D52.3010404@gmail.com> <48918DD9.9050603@kernel.org> <788014650807310612x70347f8dt56ed650dc6b8c5ca@mail.gmail.com> <48926F7E.1020807@kernel.org> <48930B2E.9060604@pobox.com> <489336E0.7020409@kernel.org> <788014650808021053y5b5a8e01y62099464cc96d8a4@mail.gmail.com> <48953D42.1010408@kernel.org> <788014650808050154r7f41cb05t5d883ee043497ba5@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:59527 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755988AbYH2NaD (ORCPT ); Fri, 29 Aug 2008 09:30:03 -0400 In-Reply-To: <788014650808050154r7f41cb05t5d883ee043497ba5@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: khchen@synology.com Cc: jgarzik@pobox.com, Mark Lord , linux-ide@vger.kernel.org KueiHuan Chen wrote: > Hi, > > Sorry for delay responding, here is my x86_64 with 2.6.26 dmesg and > lspci. ^__^ Heh.. I out-delayed you. :-) > Dmesg: hotplug-in 3726 into 6145 , and the unplug, finally plug again > ata9: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen > ata9: irq_stat 0x02400000, PHY RDY changed > ata9: hard resetting link > ata9: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > ata9.15: qc timeout (cmd 0xe4) > ata9.15: failed to read PMP GSCR[0] (Emask=0x4) Heh.. failing PMP READs. Doesn't look like there's anything else to do than disabling it. Will post a patch. Thanks. -- tejun