linux-kernel - Re: 2.6.18.3, sata dvd writer: can't watch dvd

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Message-ID: <4587FB6C.8080309@gmail.com>
Date:	Tue, 19 Dec 2006 23:47:08 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Harald Dunkel <harald.dunkel@...nline.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.18.3, sata dvd writer: can't watch dvd

arald Dunkel wrote:
> Hi folks,
> 
> I've got a shiny new sata dvd writer: A Samsung SH-183A,
> most recent firmware SB01. Writing data DVDs is _lightning_
> fast, but I cannot watch my css-encrypted movie DVDs, even
> with libdvdcss installed. If I try, then it becomes
> unresponsive. dmesg says:
> 
> ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> ata2.00: (BMDMA stat 0x1)
> ata2.00: tag 0 cmd 0xa0 Emask 0x4 stat 0x40 err 0x0 (timeout)
> ata2: soft resetting port
> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
> ata2.00: failed to IDENTIFY (device reports illegal type, err_mask=0x0)
> ata2.00: revalidation failed (errno=-22)
> ata2.00: disabled
> ata2: EH complete
> Buffer I/O error on device sr0, logical block 0
> Buffer I/O error on device sr0, logical block 1
> Buffer I/O error on device sr0, logical block 2
> Buffer I/O error on device sr0, logical block 3
> Buffer I/O error on device sr0, logical block 4
> Buffer I/O error on device sr0, logical block 5
> Buffer I/O error on device sr0, logical block 6
> Buffer I/O error on device sr0, logical block 7
> Buffer I/O error on device sr0, logical block 0
> Buffer I/O error on device sr0, logical block 1
> 
> After that the DVD drive is dead, waiting for a reset.
> I tried this with 4 DVDs by now.
> 
> Watching my own DVD-Rs (created in a Philips HD recorder),
> or commercial DVDs without CSS (e.g. "True Lies") is no
> problem. The region code is set (2), of course.
> 
> 
> Any idea? Unfortunately I cannot verify the drive in a
> proprietary runtime environment.

If you use mplayer, please run it with '-v' and report what it says.
Also, full dmesg will help.

-- 
tejun
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