From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: sata_mv port lockup on hotplug (kernel 2.6.38.2) Date: Thu, 14 Apr 2011 20:28:36 -0400 Message-ID: <4DA79134.1010508@teksavvy.com> References: <4D9CD275.9000002@teksavvy.com> <4D9FACC9.7020200@teksavvy.com> <4DA5BCF3.5080205@teksavvy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from ironport2-out.teksavvy.com ([206.248.154.183]:8967 "EHLO ironport2-out.pppoe.ca" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754817Ab1DOA2k (ORCPT ); Thu, 14 Apr 2011 20:28:40 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bruce Stenning Cc: "linux-kernel@vger.kernel.org" , "linux-ide@vger.kernel.org" On 11-04-14 12:50 PM, Bruce Stenning wrote: .. > I have tried the patch out and I was able to reproduce the port lockup with it. Bummer. > I also tried out my tracing in writelfl (without any other changes) and I was > able to lock up a port without any apparent unusual changes to the register > containing the irq masks. Are there other routes to disabling the irqs? Mmm.. presumably you are NOT using MSI interrupts, right?