"unable to access resume device (/dev/dm-1)" after fc10 kernal update
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# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
title Fedora (188.8.131.52-170.2.68.fc10.x86_64)
kernel /vmlinuz-184.108.40.206-170.2.68.fc10.x86_64 ro root=/dev/dm-0 rhgb quiet
title Fedora (220.127.116.11-170.2.56.fc10.x86_64)
kernel /vmlinuz-18.104.22.168-170.2.56.fc10.x86_64 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
title Fedora (22.214.171.124-117.fc10.x86_64)
kernel /vmlinuz-126.96.36.199-117.fc10.x86_64 ro root=UUID=bf0dd8cd-ee71-4021-a2ad-f09a532265d0 rhgb quiet
I fixed the problem. Looks like this is what happened.
When ntfs-3g was installed, the /dev/VolGroup00/LogVolnn entries in fstab were replaced with /dev/dm-n
Later when the kernal was updated, /dev/dm-0 ended up in grub.conf as root for the new kernal. This caused the problem finding the root at boot time.
What I did was replace the /dev/dm-n entries with /dev/VolGroup00/LogVolnn in both fstab and grub.conf. Then used mkinitrd to rebuild the boot image. No problems so far on the new kernal.