Good information Dennis and I am sure it will be useful. Especially the piping for FAILED part as I had not thought of that as a way to see FAILED msgs that had scrolled past. In fact, I have not checked this but my guess would ne that is what the self check on the menu does.
However, it appears the READING DVD device was the problem. The DVD checks correctly in another machine as I said in a msg on the 27th in this thread. And I think that is another good message to convey. Do not assume the DVD or its burn are the problem because reading it wrong can also be the cause (as it was this time). I suppose a slower burn might have avoided it but it was an old machine and replacing the DVD drive resolved the issue.
On 10/8/06, Dennis Kibbe <dennisk@linuxquestions.net> wrote:
On Wednesday 27 September 2006 21:11, Dazed_75 wrote:
> I downloaded ubuntu-6.06.1-dvd-i386.iso and verified the md5sum against
> that listed at the download site. I then burned the DVD and got no errors.
> One nice thing ubuntu has in the 6.06 release is a menu option (on booting
> the CD/DVDs) to verify the CD/DVD content. When I tried this, it shows
> errors for some files.
>
> Surely there could be a problem with the burn, but I was wondering if there
> is any way to md5sum the DVD? The only thing I could think of is to make a
> .iso from it and I do not know if that would even be expected to reproduce
> the original iso and match its sum.
>
> I realize I probably need to burn another DVD, but the question is still a
> valid one.
Look in the root directory of the DVD and you will find the file md5sum.txt
which will let you verify the DVD with this command.
md5sum -c md5sum.txt
or
md5sum -c md5sum.txt |grep FAILED
Since all you are interested in are files that don't check out.
If you get an error try reburning the DVD at a slower speed.
Dennisk
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