mount relatime option / Ext3-fs: Unrecognized mount option ...

[Kenny Gow]

Ryan Sawhill wrote:
>> This sounds like the same situation I ran into with Fedora 7.
>>
>> Rebuilding the initrd for the new kernel fixed the problem.
>>
>> Kenny
> 
> Thanks for the thought Kenny! Hadn't even ocurred to me that might be
> necessary. :) Well, and that's because it shouldn't be. Anyway, this
> whole situation is odd to me. If you edit your fstab to remove
> "relatime" and recompile your initial rd, then change your fstab back
> to include relatime again... THEN you can get the new kernel to boot
> properly. Just recompiling initrd without removing relatime from your
> fstab isn't gonna make a difference.
> 
> To give more detail, it throws up an "Unrecognized mount option
> 'relatime' or missing value" error. Then of course everything else
> fails (setting up dev, proc, sys, and passing ctl to init).
> 
> So the question is, why is this happening? Obviously, it shouldn't be happening.
> 
> Gary: I didn't look at the link Kenny gave, but fyi it's trivial to
> rebuild an initrd img after you remove relatime from your fstab. In
> your case I believe you'd just be running as root:
> mkinitrd /path/to/initrd-to-create.img kernel-version
> or, explicitly:
> # mkinitrd -f /boot/initrd-2.6.26.6-79.fc9.x86_64.img 2.6.26.6-79.fc9.x86_64
> (which would replace your current /boot/initrd-$brokenkernel.img file
> with a new one.)
> 
Ryan, thanks for mentioning removing relatime flag before building
a new initrd. I forgot to mention that. See the bugzilla entry link I
posted before (comment #4) which explains what's going on.