[8905] in linux-scsi channel archive
Re: Problems playing video-cd's with plextor cdrom
daemon@ATHENA.MIT.EDU (Jens Axboe)
Sat May 27 08:51:32 2000
Date: Sat, 27 May 2000 14:47:31 +0200
From: Jens Axboe <axboe@suse.de>
To: Nick Brok <nick@iae.nl>
Cc: linux-scsi@vger.rutgers.edu
Message-ID: <20000527144731.D3638@suse.de>
Mime-Version: 1.0
Content-Type: multipart/mixed; boundary="y0ulUmNC+osPPQO6"
Content-Disposition: inline
In-Reply-To: <20000527110840.A447@atx.nbrok.iaehv.nl>; from nick@iae.nl on Sat, May 27, 2000 at 11:08:40AM +0200
--y0ulUmNC+osPPQO6
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
On Sat, May 27 2000, Nick Brok wrote:
> I tested it as requested, without any possitive results.
> My Plextor cdrom drive is not recognized as a MMC drive....
>
> This is very strange isn't it? vcdread won't work also... (compiled for my
> kernel.. in this case the 2.4.0-test1 kernel.)
> MTV doesn't recognize a videocd also... but that could be a problem of MTV.
> I mailed them, but still no answer :-(
> Tell me what you want to know to solve this problem.
It does look odd, I'd say it looks as if your Plextor is failing the
MODE_SENSE that we use to gather information on what a particular
drive supports. Hmm, could you try this patch? We need a bit
more info.
--
* Jens Axboe <axboe@suse.de>
* Linux CD/DVD-ROM, SuSE Labs
* http://kernel.dk
--y0ulUmNC+osPPQO6
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="sr-2.4.0-test1.diff"
--- drivers/scsi/sr.c~ Sat May 27 14:46:10 2000
+++ drivers/scsi/sr.c Sat May 27 14:46:19 2000
@@ -573,7 +573,7 @@
cmd[2] = 0x2a;
cmd[4] = 128;
cmd[3] = cmd[5] = 0;
- rc = sr_do_ioctl(i, cmd, buffer, 128, 1, SCSI_DATA_READ);
+ rc = sr_do_ioctl(i, cmd, buffer, 128, 0, SCSI_DATA_READ);
if (-EINVAL == rc) {
/* failed, drive has'nt this mode page */
--- drivers/scsi/sr_ioctl.c~ Sat May 27 14:46:13 2000
+++ drivers/scsi/sr_ioctl.c Sat May 27 14:46:36 2000
@@ -120,10 +120,8 @@
} else {
err = -EINVAL;
}
-#ifdef DEBUG
print_command(sr_cmd);
print_req_sense("sr", SRpnt);
-#endif
break;
default:
printk(KERN_ERR "sr%d: CDROM (ioctl) error, command: ", target);
--y0ulUmNC+osPPQO6--
-
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@vger.rutgers.edu
