Ubuntu
initramfs-tools package

  1. Bug #798414
  2. Comment #176

Comment 176 for bug 798414

Revision history for this message
Jarno Suni (jarnos) wrote : Re: update-initramfs should produce a more helpful error message when there isn't enough free space

Steve Holton, maybe you are using Ubuntu 14.04 and have some manually installed kernels, see Bug #1089195.
Do updated instructions at https://help.ubuntu.com/community/RemoveOldKernels help to fix your system? (I suggest trying linux-purge, which I have written.)