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SubjectRe: "attempt to access beyond end of device" on DVD
On Wed, 12 December 2012 Jacek Poplawski <jacekpoplawski@gmail.com> wrote:
> OK, I was wrong previously.
>
> I don't need to reload sr_mod, I only need to remount DVD.
>
> The reason I was wrong is I was suspecting that DVD remounts itself
> after eject, but looks like it doesn't. Also it means that the problem
> is different than 3 years ago, because I am sure I was remounting DVD
> by hand and now I use some automount feature of Arch Linux / GNOME3.

What kind of filesystem do you have on your CD/DVDs?

[CCing linux-fsdevel as it seems like it may be a isofs or udf issue]

Bruno

> On 12/12/12, Jacek Poplawski <jacekpoplawski@gmail.com> wrote:
> >> 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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