From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCHSET #upstream-fixes] git tree available Date: Tue, 20 May 2008 23:50:10 +0900 Message-ID: <4832E522.50107@gmail.com> References: <12111273141039-git-send-email-htejun@gmail.com> <48305961.2050509@gmail.com> <006501c8ba19$c1f53340$6917a8c0@parents> <48323E4F.3050806@rtr.ca> <4832535B.1080505@gmail.com> <006f01c8ba72$3ac5d1a0$6917a8c0@parents> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.178]:16844 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754333AbYETOuQ (ORCPT ); Tue, 20 May 2008 10:50:16 -0400 Received: by wa-out-1112.google.com with SMTP id j37so2398660waf.23 for ; Tue, 20 May 2008 07:50:16 -0700 (PDT) In-Reply-To: <006f01c8ba72$3ac5d1a0$6917a8c0@parents> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Brian & Chamaigne Scamman Cc: 'Mark Lord' , jeff@garzik.org, linux-ide@vger.kernel.org Brian & Chamaigne Scamman wrote: > Tejun Heo wrote: >> Can you please describe what you did exactly? sil3726/4726 has some >> problems when its first fan out port goes online and offline while it's >> powered up. You want to keep it occupied at all times. >> > Here's the current setup: > - PMP powered via computer's power supply; on with computer > - SSD and bridges powered via computer's power supply; on with computer > - FC9 with new 2.6.26-rc2-hotplug-patches installed and booted > - Once computer is booted, login, open a terminal and dmesg -c > For the case which fails: > - plug SSD drive/bridge into PMP port 0 > - plug eSata cable into PMP > - plug eSata cable into eSata port on controller > - watch the softreset timeout > For the case which works: > - plug eSata cable into PMP > - plug eSata cable into eSata port on controller > - watch the PMP become recognized > - plug SSD drive/bridge into PMP port 0 > - watch the SSD drive become recognized > > Steps above are repeatable. Previously I was applying power to the PMP while > the drives were attached (PMP, bridges and drives all receiving power at the > same time) and then plugging in the eSata cable, but this case always failed > as well. > >> Also, does putting sslep(5) right before followup-SRST help? >> > I'll look at adding the sslep line and the new patch (independently). Please try the patch. I think that should work. -- tejun