Hi,
AG <computing.acco...@googlemail.com> writes:
> Matthew Moore wrote:
>
> On Monday June 15 2009 2:32:18 pm AG wrote:
>
> Default DVD/CD-drive that plays media. Sorry - my poor wording. I
> mean
> the device doesn't seem to be automounted when I load an optical disk.
>
> The applications that play DVD (mplayer, kmplayer, totem) and audio
> CDs
> (kscd, goobox) cannot find the media. In one bizarre twist, kscd can
> read track names, but when prompted to press play claims there's no
> disk.
>
> Does it mount correctly for data-only discs? Are you a member of the
> cdrom and
> plugdev groups (I am not sure if this is still required)? Do you have HAL
> installed? Does anything (e.g. usb drives) automount in your DE?
>
> MM
>
> Hi Matthew & Thierry
>
> Yes - it loads data disks just fine and also DVD disks that I have burnt
> myself. When testing it using k3b to burn a DVD, k3b locates the disk
> immediately and burns
> successfully. All other USB drives show up fine. As the sole user, I have
> permissions to load CD-ROMs and as far as I can tell I am a member of all of
> the relevant
> groups.
[snip]
> So ... any ideas, because I am clean out of any myself and Google is not
> throwing back anything of use and there is nothing in the Debian literature
> nor from user fora
> that I can see that is helpful.
I had noticed some problems with a similar setup. The symptoms were
these:
$ sdparm -C capacity /dev/dvd
/dev/dvd: Optiarc DVD RW AD-7220S 1.01 [cd/dvd]
blocks: 4097392
block_length: 2048
capacity_mib: 8002.7
$ /sbin/blockdev --getsize64 /dev/dvd
1073741312
Note the truncated size according to 'blockdev'.
(BTW, IIRC, that 1073741312 seems exceedingly like the error guess in
linux-2.6/drivers/scsi/sr.c
if (the_result) {
cd->capacity = 0x1fffff;
sector_size = 2048; /* A guess, just in case */
I think that's a safe guess for CDs but not for DVDs)
AG, Can you try above the above two commands and see if you get a
discrepancy between them? There may be a pattern here.
- Hari
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