From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: Port Multiplier drives not always all found on cold plug Date: Sat, 17 May 2008 13:32:27 -0400 Message-ID: <482F16AB.1040003@rtr.ca> References: <482DB79F.2030204@rtr.ca> <482DBA62.4020209@rtr.ca> <482DBC5C.3020904@rtr.ca> <482DC41F.9080901@rtr.ca> <482DCD1F.4090503@rtr.ca> <482EE9E1.5000805@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:3195 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753238AbYEQRc3 (ORCPT ); Sat, 17 May 2008 13:32:29 -0400 In-Reply-To: <482EE9E1.5000805@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Jeff Garzik , Alan Cox , IDE/ATA development list Tejun Heo wrote: > > I've been studying things for last two days and discovered a number of > things. I'll soon post patch series. Thanks a lot for digging into PMP > stuff. It's great to have someone else's eyes on this stuff. .. Yeah. It really does help when two or more people totally independently implement a driver on top of something like that. For the most part, this stuff seems to be working rather well, though. Good job! Gwendal has been complaining to me about undetected drives on PMP with sata_mv. My patchset to fix much of that will be posted here shortly. But apparently, even with those fixes, he *still* has troubles, though not as bad as before. I'm trying to get a nice annotated trace from him so we can debug that further -- could be due to some of the stuff you are looking at too, I suppose. Cheers Mark