On Fri, 2009-06-12 at 06:28 -0400, Neal Becker wrote: > After updating from F10 to F11 using ext4migrate of my root partition (not > boot) I noticed that root was not ext4. I booted off dvd, used tune2fs to > turn on extents, ran fsck. On reboot, the kernel would not mount root, > saying it was using unsupported features!! I tried fixing with tune2fs, but > tune2fs refuses to turn off extents. > > I did a clean install of F11 from scratch, choosing default ext4. Rebooted, > and guess what? Same thing! > > Finally I did another clean install using ext3 and I'm back. > > Big question: why did anaconda mount ext4 fine, but when I try to boot off > my hard disk the (same kernel) won't? > > Hm... I've been having similar issues when changing the root partition to ext4 manually (i.e. via tune2fs). You need to regenerate the initrd kernel image (not an easy feat when you cannot boot to the system). Why it does not work for clean install I don't know though... Martin
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