From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: , AMANO Kazuhiro Subject: Re: MATSHITADVD-ROM SR-8176 Date: Sun, 3 Feb 2002 20:39:28 +0100 Message-Id: <20020203193928.30236@smtp.wanadoo.fr> In-Reply-To: <20020203155250172.VDPS.18601.t-mta3.odn.ne.jp@mta3.odn.ne.jp> References: <20020203155250172.VDPS.18601.t-mta3.odn.ne.jp@mta3.odn.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: > >I'm in trouble with MATSHITA DVD-ROM SR-8176 drive on iBook2 > under kernel-2.4.18-pre7-ben0. > >First problem is in audio CD play. I'm using xmms-cdread-0.14a, but >I cannot get track list of CD and cannot play. > >To solve this problem, I made a tiny patch: >--- linux/drivers/ide/ide-cd.c-ORIG Mon Jan 28 20:20:31 2002 >+++ linux/drivers/ide/ide-cd.c Sun Feb 3 22:03:42 2002 >@@ -2644,7 +2644,8 @@ > * but they do support reading TOC & audio datas > */ > if (strcmp (drive->id->model, "MATSHITADVD-ROM SR-8187") == 0 || >- strcmp (drive->id->model, "MATSHITADVD-ROM SR-8186") == 0) >+ strcmp (drive->id->model, "MATSHITADVD-ROM SR-8186") == 0 || >+ strcmp (drive->id->model, "MATSHITADVD-ROM SR-8176") == 0) > CDROM_CONFIG_FLAGS (drive)->audio_play = 1; Thanks, I'll include this one in the next round of patches. > #if ! STANDARD_ATAPI >--- > >Second problem is in DVD-video play. I'm using xine-0.4.3 or >vlc(videolan)-0.2.92, but I get only low performance. > >In /var/log/messages, some errors were reported: >Feb 3 23:40:17 phaser kernel: hdb: DMA disabled >Feb 3 23:40:17 phaser kernel: hdb: command error: status=0x51 { >DriveReady SeekComplete Error } >Feb 3 23:40:17 phaser kernel: hdb: command error: error=0x54 >Feb 3 23:40:17 phaser kernel: end_request: I/O error, dev 03:40 (hdb), >sector 369232 > >I can pass through this problem, by "hdparm -d1 -X34 /deb/hdb" to force >Multiword DMA 2 Mode. But this hdparm command sometimes cause hung up. > >Both problem do not appear with ide-scsi driver. You should report this one to the ide-cd maintainer (Jens Axboe) Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/