Upon booting, the kernel fails to start with the message "mount: error mounting /dev/root on /sysroot as ext2: Invalid argument". I don't know exactly at what kernel version this began appearing but it happens with 2.6.27.9-159 and at least one previous kernel. As a result, I am currently stuck on 2.6.27.5-117 (which does not have the problem). Reproducible always. My /etc/fstab looks like this (UUID values elided): UUID=<blah> / ext2 relatime 1 1 UUID=<blah> /home ext2 relatime 1 2 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid-5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 tmpfs /tmp tmpfs size=30% 0 0
Hmm, apparently this is a duplicate of bug 430280. (If someone can confirm, please close this accordingly.) How is it that three-year-old bugs are reopening?
...or it might be a duplicate of bug 475495; can't tell without further testing (which I can't do until I get some time to play with the machine in question)
I just did the following: sed -i 's/norelatime/defaults/' /etc/fstab # actually used vim, but you get the idea yum update kernel\* mv /etc/fstab{.bak,} # i.e. undid the above mount option change reboot ...and I was able to boot the new kernel. Hopefully that narrows down where the problem is.
seems to be working with the latest mkinitrd