On Wed, Jul 21, 2010 at 1:28 AM, Jonas Meurer <jonas@xxxxxxxxxxxxxxx> wrote:
Thanks for replying. The reporter had the same issue but seems it was caused a bit differently, I don't have problems with signatures:
seems like this is a distribution specific bug. please see the ubuntu
bug tracking system, in particular take a look at the following bugs:
https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/502665
https://bugs.launchpad.net/ubuntu/+source/udev/+bug/508848
at the end of the second buglog, the issue is identified as a filesystem
signatures issue. the device in question seems to contain more than one
filesystem signatures. what's the result of the following commands:
# blkid -p /dev/mapper/swap
# wipefs -n /dev/mapper/swap
Thanks for replying. The reporter had the same issue but seems it was caused a bit differently, I don't have problems with signatures:
# blkid -p /dev/mapper/swap
/dev/mapper/swap: UUID="72da72f5-cd68-4252-ae58-9824b6683b20" VERSION="2" TYPE="swap" USAGE="other"
# wipefs -n /dev/mapper/swap
offset type
----------------------------------------------------------------
0xff6 swap [other]
UUID: 72da72f5-cd68-4252-ae58-9824b6683b20
I have also tried other names, other than "swap", originally I used "cryptoswap" as in the tutorial. Only then after I got some understanding how it works I started to play with other names. But anyways,
/etc/crypttab:
# <target name> <source device> <key file> <options>
swap /dev/sda5 /dev/urandom swap,cipher=aes-cbc-essiv:sha256,size=256,hash=sha256
/etc/fstab:
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda1 during installation
UUID=c01898b3-ec14-46b8-b129-5f13020bbdf6 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
#/dev/sda5 none swap sw 0 0
/dev/mapper/swap swap swap sw 0 0
--
Aarto
/dev/mapper/swap: UUID="72da72f5-cd68-4252-ae58-9824b6683b20" VERSION="2" TYPE="swap" USAGE="other"
# wipefs -n /dev/mapper/swap
offset type
----------------------------------------------------------------
0xff6 swap [other]
UUID: 72da72f5-cd68-4252-ae58-9824b6683b20
please also post your /etc/crypttab. since the device in question
(/dev/mapper/swap) seems to be used as swap device, wiping the
filesystem signatures on it shouldn't be a problem at all.
I have also tried other names, other than "swap", originally I used "cryptoswap" as in the tutorial. Only then after I got some understanding how it works I started to play with other names. But anyways,
/etc/crypttab:
# <target name> <source device> <key file> <options>
swap /dev/sda5 /dev/urandom swap,cipher=aes-cbc-essiv:sha256,size=256,hash=sha256
/etc/fstab:
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda1 during installation
UUID=c01898b3-ec14-46b8-b129-5f13020bbdf6 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
#/dev/sda5 none swap sw 0 0
/dev/mapper/swap swap swap sw 0 0
--
Aarto
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