One thing about just getting an error message like "An error occured while 
reading the CDROM" is that while it can tell a user that something has gone 
wrong, it's not very helpful.  A user knows something is wrong by seeing those 
other errors, too.  
One reason for having long, descriptive, and often cryptic errors is that they 
can help developers and the more experienced users actually see what is going 
wrong - a major benefit of using open source software.  This allows people to 
use debugging methods and seek more in depth help with their problems in order 
to track down the source.

For example:
 [00123.173770] SQUASHFS error: Unable to read cache block [12345678:141e]
I believe that the left bracket number is a tick count of the kernel, the 
middle stuff is the error, and the right bracket number is a hexadecimal valued 
block number of the cd that is corrupted.  While cds don't generally get fixed, 
we can at least see what is going on and where.  Though these specifics aren't 
very useful to us, a developer might know what is stored around that area of 
the disc, and if it were a problem on their end, it can hopefully be fixed.  
Don't get your hopes up on this one, it appears that you just have a bad cd, 
either because of a corrupted image file or just a bad burn.

It is not likely that the installer can handle such errors since the
disc itself is corrupted, and the best way to proceed with a corrupt
installer is to just stop where it is and not risk further damage to the
system.  Retrying the install would not be helpful and could in fact be
harmful.

Finally, with errors like that, a user can search for them on google (or
their search engine of choice) and see what other people have to say
about it, and thus figure out what the problem is, and possibly what to
do about it.  This is part of the community support that comes with open
source software, and is generally not available with proprietary
software.

I will leave this bug report as "Incomplete" for now, feel free to
continue discussion.

-- 
Unhelpful SQUASHFS error messages
https://bugs.launchpad.net/bugs/249328
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to