Public bug reported:
I just installed Ubuntu 8.04.1 with a lot of pain (5 tries necessary).
Configuration: 1GB mem, 320GB SATA, AMD Athlon 1800XP, ATI9250
Please note that I successfully installed versions 6.10 & 7.04 (and various
other distros) without errors on the same computer.
During 2 of the installation attempts I got thousands of SQUASHFS errors like
this (not at the same % of the installation):
[00123.173770] SQUASHFS error: Unable to read cache block [12345678:141e]
I don't know if there was a pb with the CDROM, CDROM reader or the memory (or
something else), but the messages should not be displayed like that, ther are
not helpful.
1) there is no need to display thousands of messages, it's confusing and you
can't read them since they scroll so fast in the install console
2) the message cannot be more obscure! What's wrong? Is it a CDROM reading
issue, some memory corruption? A harddrive issue? You can't solve the problem
if the root cause is not included in the message...
What would be nice to have instead:
1) group the messages, for instance only display one message every 100 read
errors (or lower the default debug level)
2) explain what is the probable cause in the log messages themselves, something
like:
> SQUASHFS error. An error occured while reading the CDROM.
> [12345:678678/1212121.44444]
That's not perfect, but at least a bit more readable.
3) after a number of errors, fail. With a detailled error message. There
is no need to continue when there is a major problem like that. Then the
installer should give you the choice between restarting the failed
operation or rebooting (and it would be nice to suggest where the
problem probably lies so that the user can try to solve it by changing
CDROM etc.)
Example of error message (from SQUASHFS), the installer should be more
detailled:
An error occured in SQUASHFS while trying to read the CDROM. The CDROM might be
corrupted or there could be a problem with your CDROM drive.
Please test those separately then retry.
The reference number for this problem in SQUASHFS is #7541. <<=== here you
would provide an error code, for debugging purposes
Thanks.
** Affects: ubuntu
Importance: Undecided
Status: New
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Unhelpful SQUASHFS error messages
https://bugs.launchpad.net/bugs/249328
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