Comment 13 for bug 1374759

Unbuntu 14.10
Mainline kernel:
3.19.0-031900-generic #201502091451 SMP Mon Feb 9 15:10:05 UTC 2015 i686 i686 i686 GNU/Linux

$ apt-cache policy initramfs-tools
initramfs-tools:
  Installed: 0.103ubuntu8
  Candidate: 0.103ubuntu8
  Version table:
 *** 0.103ubuntu8 0
        500 http://us.archive.ubuntu.com/ubuntu/ utopic/main i386 Packages
        100 /var/lib/dpkg/status

[ 979.692945] JFS: nTxBlock = 8192, nTxLock = 65536
[ 979.796239] ntfs: driver 2.1.31 [Flags: R/O MODULE].
[ 979.934461] QNX4 filesystem 0.2.3 registered.
[ 980.096064] raid6: mmxx1 1646 MB/s
[ 980.164021] raid6: mmxx2 1792 MB/s
[ 980.236142] raid6: sse1x1 912 MB/s
[ 980.304024] raid6: sse1x2 1638 MB/s
[ 980.372038] raid6: sse2x1 1822 MB/s
[ 980.440038] raid6: sse2x2 1967 MB/s
[ 980.440041] raid6: using algorithm sse2x2 (1967 MB/s)
[ 980.440044] raid6: using intx1 recovery algorithm
[ 980.479294] xor: measuring software checksum speed
[ 980.516018] pIII_sse : 2751.000 MB/sec
[ 980.556014] prefetch64-sse: 3007.000 MB/sec
[ 980.556020] xor: using function: prefetch64-sse (3007.000 MB/sec)
[ 980.705772] Btrfs loaded
[ 981.590141] EXT4-fs (sda2): unable to read superblock
[ 981.593759] EXT4-fs (sda2): unable to read superblock
[ 981.596992] EXT4-fs (sda2): unable to read superblock
[ 981.600080] FAT-fs (sda2): invalid media value (0x46)
[ 981.600089] FAT-fs (sda2): Can't find a valid FAT filesystem
[ 981.731192] XFS (sda2): Invalid superblock magic number
[ 981.741261] FAT-fs (sda2): invalid media value (0x46)
[ 981.741275] FAT-fs (sda2): Can't find a valid FAT filesystem
[ 981.751163] MINIX-fs: unable to read superblock
[ 981.786303] attempt to access beyond end of device
[ 981.786313] sda2: rw=16, want=3, limit=2
[ 981.786318] hfsplus: unable to find HFS+ superblock
[ 981.791298] qnx4: no qnx4 filesystem (no root dir).
[ 981.794200] ufs: You didn't specify the type of your ufs filesystem

mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...

>>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
[ 981.798772] hfs: can't find a HFS filesystem on dev sda2
[ 1593.526237] audit_printk_skb: 39 callbacks suppressed
[ 1593.526246] audit: type=1400 audit(1426434262.893:36): apparmor="DENIED" operation="open" profile="/usr/bin/evince-thumbnailer" name="/usr/bin/fix-qdf" pid=5378 comm="evince-thumbnai" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 1593.544837] audit: type=1400 audit(1426434262.913:37): apparmor="DENIED" operation="open" profile="/usr/bin/evince-thumbnailer" name="/usr/bin/fix-qdf" pid=5378 comm="evince-thumbnai" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

 $ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/mapper/ubuntu--vg-root / ext4 errors=remount-ro 0 1
# /boot was on /dev/sda1 during installation
UUID=da28d713-0881-4439-8382-f6aecffa5317 /boot ext2 defaults 0 2
/dev/mapper/ubuntu--vg-swap_1 none swap sw 0 0
/dev/mapper/cryptswap1 none swap sw 0 0

$ sudo fdisk -l
Swipe your right index finger across the fingerprint reader

Disk /dev/sda: 111.8 GiB, 120034123776 bytes, 234441648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xf455edcc

Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 499711 497664 243M 83 Linux
/dev/sda2 501758 234440703 233938946 111.6G 5 Extended
/dev/sda5 501760 234440703 233938944 111.6G 83 Linux

Disk /dev/mapper/sda5_crypt: 111.6 GiB, 119774642176 bytes, 233934848 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/ubuntu--vg-root: 109.6 GiB, 117633449984 bytes, 229752832 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/ubuntu--vg-swap_1: 2 GiB, 2139095040 bytes, 4177920 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes