Re: MATSHITADVD-ROM SR-8176

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

>
>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.


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