Okay. So let's close this bug. Please reopen the bug in case you run
into the same problem again.
** Changed in: initramfs-tools (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/569064
Title:
Ext file systems fail to mount if computer clock is reset
Status in initramfs-tools package in Ubuntu:
Invalid
Bug description:
Binary package hint: initramfs-tools
Apparently the ext file system saves in the superblock when was the
file system last mounted (probably for date based scheduled checks),
and fsck reports an error if the last mount date is in the future
compared to the current system time.
The problem is that if the computer's clock was reset for any reason
(a power spike reset my computers clock. Other reasons may be a
depleted CMOS battery) then the boot-up file system check reports an
*unrecoverable* error while trying to load the system, prompting the
user to run fsck manually, and then the system fails to load - just
because the hardware clock has the wrong time!
Worse - the graphical boot up screen does not show this error, it just
keeps ticking away to itself hiding the error and never completing the
boot. Even if one presses ESC to see the actual boot messages, they
are confronted with horribly scaring error messages talking about file
system failures and such - coming immediately after a power spike that
reset the computer, this is very very scary.
The boot process should never stop the boot when the only error is
that the last mount time is in the future. fsck itself should not
report this as an unrecoverable error.
The workaround on my side was to go in to the BIOS settings and
manually set the clock - if a non-power user encounters this, they are
likely to assume the worst and reformat their computer, losing all
their information due to a simple harmless hardware glitch.
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