[Bug 441384] [NEW] Misidentifies ext4 as ext2 and fails to boot

[Tobias Wolf]

Public bug reported:

Binary package hint: initramfs-tools

Because my laptop has a first-gen SSD, I tried to limit performance
degradation over time by creating my root filesystem as ext4 with the
option -O ^has_journal.

However the scripts/local script identifies my root fs as ext2, not as ext4. The result is that it fails to mount /root with "invalid args".
The value of $FSTYPE when mount command happens is ext2. When I hardcoded FSTYPE=ext4 in scripts/local it booted normally.

blkid identifies the file system correctly. I suppose the fstype tool
from klibc-utils is wrong here.

** Affects: initramfs-tools
     Importance: Undecided
         Status: New

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: initramfs-tools
   Importance: Undecided
       Status: New

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Misidentifies ext4 as ext2 and fails to boot
https://bugs.launchpad.net/bugs/441384
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