From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: libata: CD and dvd devices not recognized Date: Sun, 18 Mar 2007 16:54:00 +0100 Message-ID: <200703181654.00829.bzolnier@gmail.com> References: <45F873AC.6010204@gmail.com> <200703181610.33714.bzolnier@gmail.com> <45FD5927.7080104@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.172]:33701 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932231AbXCRPqj (ORCPT ); Sun, 18 Mar 2007 11:46:39 -0400 Received: by ug-out-1314.google.com with SMTP id 44so1101176uga for ; Sun, 18 Mar 2007 08:46:37 -0700 (PDT) In-Reply-To: <45FD5927.7080104@gmail.com> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: YUP Cc: albertl@mail.com, linux-ide@vger.kernel.org On Sunday 18 March 2007, YUP wrote: > Hello Bartek, > > > > > Thanks, does reading from CD/DVD media also work fine now? > > Yes, drives can read all media cd and dvd I have. OK, thanks for testing. The conclusion here is that the problem experienced by Yarema is clearly some libata regression wrt drivers/ide. > > It seems that the drive works just fine in PIO mode with pdc202xx_new > > IDE driver (it doesn't support ATAPI DMA at the moment) and fails > > with pata_pdc2027x libata (even with DMA blacklist patch from Albert). > > Does it mean that I have to recompile all the time kernels from ubuntu > repositories? Is there any possibility to blacklist pata_pdc2027x > module and enable pdc202xx_new (just to compile one and add to the list > of modules) ? Adding "blacklist pata_pdc2027xx" line to /etc/modprobe.conf should do this. You may also want to bring up this problem with Ubuntu developers. Bart