[gentoo-laptop] CD trouble - can't read linux discs.

[gentoo-laptop] CD trouble - can't read linux discs.

[Ed Jabbour]

Both Desktop and laptop run gentoo.  Desk will boot or mount a knoppix or 
other live cd.  Lap, however, will do neither - mount returns "bad 
superblock."  The lap, strangely enough, will mount and read a Scrabble disc 
for Windoze.  Same with file -s; reads Scrabble fine, but barfs on the 
knoppix.  Any hints or pointers on where on the lap's gentoo system to look 
for the difference in behaviour greatly appreciated.  Thanks.

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Re: [gentoo-laptop] CD trouble - can't read linux discs.

[Will Briggs]

Ed Jabbour wrote:
> Both Desktop and laptop run gentoo.  Desk will boot or mount a knoppix or 
> other live cd.  Lap, however, will do neither - mount returns "bad 
> superblock."  The lap, strangely enough, will mount and read a Scrabble disc 
> for Windoze.  Same with file -s; reads Scrabble fine, but barfs on the 
> knoppix.  Any hints or pointers on where on the lap's gentoo system to look 
> for the difference in behaviour greatly appreciated.  Thanks.
> 

Are you saying that the knoppix disk won't boot? That would be strange -
in my experience non-booting livecds usually fixed by adding kernel
options (acpi or irq options usually) during the boot processes.  That's
quite easy on the gentoo livecd for instance, not sure how to do it on
knoppix.

If you have a booting gentoo system and can't mount the knoppix disk
from within gentoo - if you are sure the CD isn't corrupted in it's
filesystem: then it probably comes down once again to kernel issues -
probably a lack of a certain filesystem support in

"Bad superblock" normally either formatting errors / corrupt disk, or
support for a particular file system not built into kernel etc. etc.

You've probably tried all these things, but they are the sort of
directions I'd be moving in if I were you.

W.
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