fresh installation fails

Patrick O'Callaghan pocallaghan at
Sat Mar 2 00:03:23 UTC 2013

On Sat, 2013-03-02 at 00:45 +0100, Patrick Dupre wrote:
> > You've tested the DVD an you've tested memory and all appears
> fine.   
> > Now, I'm not saying this is the problem but years back I had a  
> > similar situation.  I had burned the DVD with the speed set to  
> > "auto".  I burned a second DVD with the speed set to 1X and  
> > everything worked out.
> >
> > Also, if it is possible, you could try downloading and installing  
> > from the netinst.iso instead.
> >
> There is one bizard thing is that, I am now getting some
> read I/O errors on sr0 and it sometime even fails to load the DVD!!!

You mean you are now getting errors where previously you didn't, with
the same DVD? Definitely looks like a burn problem.

> So I am testing again the DVD
> The DVD has not been burned with the same reader that I am using for
> the install. Is it a probleme?

Not in general, but yes it can happen, especially if you burned at high
speed. Given the errors you're getting, I would definitely try burning
another DVD at a slower rate.

Remember that when you check the DVD what you're doing is reading it
continually from start to finish, but when you're using it to install
the installer is doing random access seeks all over the surface, which
is more demanding (DVDs are not like hard disks). While I'm no expert in
this area, it could explain the apparent inconsistency.


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