From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin Cameron Subject: Re: libata problems Date: Fri, 16 Jan 2009 16:30:55 +0000 Message-ID: <4970B63F.40208@gavsworld.net> References: <4880BDCD.4030104@gavsworld.net> <4892CDED.6080302@kernel.org> <4898BD4F.90709@gavsworld.net> <4898F11D.1080902@kernel.org> <4899EE03.3060204@gavsworld.net> <48A2AA73.6010901@kernel.org> <495F5AB3.1090800@gavsworld.net> <496D72A2.3050005@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ptb-relay02.plus.net ([212.159.14.146]:43572 "EHLO ptb-relay02.plus.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934066AbZAPQbD (ORCPT ); Fri, 16 Jan 2009 11:31:03 -0500 In-Reply-To: <496D72A2.3050005@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: IDE/ATA development list Tejun Heo wrote: > Gavin Cameron wrote: >> Hello, >> >> Happy new year first of all :-) >> >> It's been a while since I've heard anything on this libata problem, so I >> thought I'd see what's happening. >> >> I have some good news though: one of my PCs is working fine now - kirk >> (which I've recently switched from Fedora to Ubuntu) >> >> * Gigabyte GA-7DX M/B (AMD 761 / VIA 686B chipset) >> * AMD Althlon XP 2100+ >> * PATA LiteOn DVD-RW >> * Ubuntu 8.10 - kernel 2.6.27-9-generic >> >> However, picard is still not working: >> * ASUS M2V M/B (VIA K8T890 / VIA VT8237A chipset) >> * AMD Athlon 64 X2 6000+ >> * PATA LiteOn DVD RAM/RW >> * Fedora 10 - kernel 2.6.27.9-159.fc10.x86_64 >> >> I'm currently booting with this from grub: >> title Fedora (2.6.27.9-159.fc10.x86_64) >> root (hd0,2) >> kernel /vmlinuz-2.6.27.9-159.fc10.x86_64 ro >> root=UUID=5d9cfdad-6c2f-4f95-840f-99080642519c rhgb quiet pci=noacpi >> initrd /initrd-2.6.27.9-159.fc10.x86_64.img >> >> Which is the standard Fedora option (plus the noacpi). >> >> I've attached some log files to assist in further debug. >> >> The /var/log/messages file is very long (so appologies for this), but I >> noticed something interesting: on 2nd of Jan, there were no CDs inserted >> into the drive at all that day, yet there is trouble communicating with >> the drive. Today is the 3rd and the ata messages at the end are when I >> inserted a CD. >> >> The problem with picard is that it refuses to read CDs/DVDs placed in >> the PATA drive (unless it has been within a few minutes of powering up) >> and also that the PATA hard drive still performs frequent head unloads. >> >> If you require any other information, please let me know. > > Does irqpoll help? > Hi, I've just tried adding "irqpoll" to my kernel options and it makes no difference. Regards, Gavin.