Subject: Re: iso burn failure
From: Phil Kirschner (pak1@cec.wustl.edu)
Date: Tue Mar 14 2000 - 22:33:33 MST
the md5sum results were the same as the one from the site I
downloaded the ISO from.
there were no recorded errors when I did a "cat file > /dev/null"
I guess it was either the CD or the burner flaked out for a second.
>md5sum filename
>
>Compare the result to what's in the file "md5sum" in the same directory
>you got the iso image from - just download it & cat it.
>
>-also- I once had a cd burn fail because the disk the dl image was on
>had a flakey sector in the middle of the image file. The kernel would
>retry the sector until it read it correctly, but in the meantime the cd
>burner's fifo emptied. Try "cat iso-image-filename > /dev/null", then
>check /var/log/messages for any read errors.
>
>Phil Kirschner wrote:
> >
> > How do I do a checksum?
> >
> > >Not sure about your specific error. But in general burning a CD
>is somewhat
> > >of a delicate process. Exhausting the fifo, bumping the writer, etc. can
> > >kill a burn. You might want to just try again; generally once I start a
> > >burn I go hide in another room until it is done ;) Make sure the machine
> > >is not under any significant load while writing the image. If you have
> > >more than one package of media, you might want to try a disk from a
> > >different package. If it dies in exactly the same place, there might be
> > >a real problem. If it dies somewhere else, you might want to try a slower
> > >speed.
> > >
> > >Also... did you do a checksum on the image to make sure you have a clean
> > >download?
> > >
> > >Jim
> > >
> > >Phil Kirschner's bits of Tue, 14 Mar 2000 translated to:
> > >
> > > >OK, so I tried to burn the CS1.2 ISO with cdrecord, and it got to
> > > >568MB of 628MB before doing this:
> > > >
> > > >cdrecord: Input/output error. write_continue: scsi sendcmd:
>retryable error
> > > >
> > > >there is a bunch more stuff from the error dump, but i just want to
> > > >know what an Input/output error is. any ideas? is that error a
> > > >media error or a drive?
> > > >
> > > >"Today's CS lecture will be conducted entirely through the medium of
> > > >interpretive dance."
> > > > -Something I've always wanted to hear but never will.
> > > >
> > > >
> >
> > "Today's CS lecture will be conducted entirely through the medium of
> > interpretive dance."
> > -Something I've always wanted to hear but never will.
>
>--
>---
>Ed Jaeger
>
>"The real measure of your wealth is how much you'd be worth if you lost
>all your money."
>
> -- Anonymous
"Today's CS lecture will be conducted entirely through the medium of
interpretive dance."
-Something I've always wanted to hear but never will.
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