** Description changed:
+ SUMMARY
+ =======
+ During installation with "encrypt my home folder" mode, a broken
/etc/crypttab gets created which defines a non-existing swap device (usually
"cryptswap1") with a UUID. This will also be put into /etc/fstab. As after
installation the UUID does not exist, such systems don't have any actual swap.
+
+ UPGRADE FIX
+ ===========
+ An upgrade to Ubuntu 15.04 ("vivid") will detect and comment out these broken
swap devices from /etc/fstab and /etc/crypttab. If you actually want to use
those, do these steps:
+
+ - Find the swap device that was meant to be used in "sudo fdisk -l" (it
should say "Linux swap" in the last column), remember the device name
(something like "/dev/sda5")
+ - Find the UUID in /etc/crypttab (the long alphanumeric ID after UUID=)
+ - Run "sudo mkswap -U 1234... /dev/sda5", replacing "1234" with the above
UUID, and /dev/sda5 with the device name from step 1.
+ - Edit /etc/crypttab to append ",offset=1024" in the fourth (last) column of
the cryptswap1 line; ensure that there is *no space* between the
"cipher=aes-cbc-essiv:sha256" and the appended option. If there is a leading
"#" in the file, remove that too.
+ - If there is a leading "#" in /etc/fstab in the line starting with
/dev/mapper/cryptswap1 line, remove that.
+ - Run "sudo update-initramfs -u".
+
+
+ ORIGINAL REPORT
+ ===============
+
Clean install of 12.04 and with encrypted home for my user. Did all
updates and now the bootup hangs waiting for swap to become available
and it never seems to ever finish. The 200GB SSD below is my boot drive
and root filesystem.
alan@mesh:~$ sudo swapon -a
- [sudo] password for alan:
+ [sudo] password for alan:
swapon: /dev/mapper/cryptswap1: stat failed: No such file or directory
alan@mesh:~$ grep swap /etc/fstab
# swap was on /dev/sdg5 during installation
#UUID=22d3f7f0-f715-4582-81ba-dcbd4cdd1495 none swap sw
0 0
/dev/mapper/cryptswap1 none swap sw 0 0
alan@mesh:~$ sudo fdisk -l
Disk /dev/sda: 115.0 GB, 115033153536 bytes
255 heads, 63 sectors/track, 13985 cylinders, total 224674128 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 identifier: 0x000ba2ed
- Device Boot Start End Blocks Id System
+ Device Boot Start End Blocks Id System
/dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
/dev/sda2 206848 224671743 112232448 7 HPFS/NTFS/exFAT
Disk /dev/sdb: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders, total 390721968 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 identifier: 0xf0fa0806
- Device Boot Start End Blocks Id System
+ Device Boot Start End Blocks Id System
/dev/sdb1 2048 349304831 174651392 7 HPFS/NTFS/exFAT
/dev/sdb2 374722558 390721535 7999489 5 Extended
/dev/sdb3 * 349304832 374720511 12707840 83 Linux
/dev/sdb5 374722560 390721535 7999488 82 Linux swap / Solaris
Partition table entries are not in disk order
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libecryptfs0 96-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Tue Mar 13 09:56:56 2012
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
(20120215)
ProcEnviron:
- LANGUAGE=en_GB:en
- TERM=xterm
- LANG=en_GB.UTF-8
- SHELL=/bin/bash
+ LANGUAGE=en_GB:en
+ TERM=xterm
+ LANG=en_GB.UTF-8
+ SHELL=/bin/bash
SourcePackage: ecryptfs-utils
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/953875
Title:
Encrypted swap no longer mounted at bootup
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