Re: [gentoo-user] having problems getting burned cds to work

Heiko Baums <lists@××××××××××××.de> wrote:

> Am 26.05.2015 um 09:04 schrieb covici@××××××××××.com:
> > OK, I have a bit more info, I managed to burn the CD on another box and
> > when I tried to mount it using this drive, it gave me in the logs
> > May 26 02:41:59 ccs.covici.com kernel: end_request: I/O error, dev sr0,
> > sector 942680
> > May 26 02:41:59 ccs.covici.com kernel: Buffer I/O error on device sr0,
> > logical block 117835
> > May 26 02:42:00 ccs.covici.com kernel: end_request: I/O error, dev sr0,
> > sector 942680
> > May 26 02:42:00 ccs.covici.com kernel: Buffer I/O error on device sr0,
> > logical block 117835
> > but it did mount successfully! and I did a diff against the same iso
> > mounted via -o loop and there were no differences.
>
> There are several possibilities which come to my mind.
>
> Regardless of whether the image can be loop mounted or not, have you
> tried to download it again - maybe from another mirror - or have you
> checked the MD5 or SHAxxx checksums of the downloaded iso? Maybe the
> file is corrupt.
>
> Have you tried to burn it onto another blank DVD from a different
> manufacturer? Maybe your blank DVDs don't work well together with your
> DVD writer.
>
> Have you checked that you have built every necessary kernel module?
> Maybe your missing one like the mentioned UDF module or a hardware
> (drive/bus) related module.
>
> I guess with "this drive" you mean the drive in the other box? Otherwise
> the drive could be faulty.
>
> Have you checked the cables?


I have not checked the hardware, but I did burn the image on another
system with another drive and mounted it with the drive in question and
as I said, even though I got  those errors, the mount was successful.

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@××××××××××.com