linux-kernel - Re: "attempt to access beyond end of device" on DVD

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Date:	Wed, 12 Dec 2012 02:38:25 +0100
From:	Jacek Poplawski <jacekpoplawski@...il.com>
To:	Bruno Prémont <bonbons@...ux-vserver.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: "attempt to access beyond end of device" on DVD

> Did you check if unbinding drivers or unloading their modules has the
> same effect as rebooting? That might help narrowing the area of code to
> look at.

You were right.
I unmounted the DVD, then removed module sr_mod, reloaded it, inserted
DVD again and copied missing files, now they are OK.


> While at it, please tell us how your CD/DVD drive is connected and which
> controller it's connected to (relevant dmesg parts).

[    0.893465] ata5.00: ATAPI: Optiarc DVD RW AD-7203S, 1.05, max UDMA/100
[    0.906796] ata5.00: configured for UDMA/100
(...)
[    1.232096] scsi 4:0:0:0: CD-ROM            Optiarc  DVD RW
AD-7203S  1.05 PQ: 0 ANSI: 5
(...)
[  897.871546] sr0: scsi3-mmc drive: 125x/125x writer dvd-ram cd/rw
xa/form2 cdda tray
[  897.871726] sr 4:0:0:0: Attached scsi CD-ROM sr0

I don't have other devices to test (and haven't tried loop device).
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