Ubuntu
cryptsetup package

creating ext2/3 fs on cryptsetup/luks usb hdd partition hangs system

Bug #379508 reported by David Rekowski
18
This bug affects 3 people
Affects Status Importance Assigned to Milestone
cryptsetup (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

What I did:
using an external USB HDD 500Gb (Hitachi 3.5")
created a single linux partition via cfdisk
formatted disk with mkfs.ext3 for testing -> works

cryptsetup:
$ losetup /dev/loop1 /dev/sdb1
$ cryptsetup luksFormat /dev/loop1
$ cryptsetup luksOpen /dev/loop1 usb500

device /dev/mapper/usb500 exists, so this far is fine

now watch this:
$ mkfs.ext2 /dev/mapper/usb500

After writing 600-800 of about 3700 blocks, the system freezes. This is repeatable.

Second time I had gdm running and did this on tty1, so I got some system messages that hint at not having enough memory (though I have 2Gb working) and thus it started killing processes like gnome-panel, etc.

I did repeatedly format external usb disks that were luks encrypted

System Information:
IBM Thinkpad T42p @1800Mhz
2Gb Ram
Ubuntu 9.04
cryptsetup 1.0.6
mkfs (util-linux-ng 2.14.2)

Revision history for this message
David Rekowski (david-rekowski) wrote :

Creating a vfat filesystem works, I can mount the volume, although it is limited to 7.5Gb.

Revision history for this message
David Rekowski (david-rekowski) wrote :

Please ignore and delete the previous comment (and this one afterwards)

Revision history for this message
David Rekowski (david-rekowski) wrote :

After fixing the accidentially overwritten usb key I managed to format the external hdd with vfat, reiserfs and then tried ext4, which failed in the same manner. The last output I have tells me it's writing the inode tables:

Schreibe Inode-Tabellen: 655/3727

Revision history for this message
David Rekowski (david-rekowski) wrote :

Most interestingly, using mkfs.ext4dev does work. I have to mount the device as -t ext4, since ext4dev is not recognized, but besides, it's fine. This doesn't solve the problem, though. It only shows it's not a hardware or direct cryptsetup problem, although it doesn't happen with a nonencrypted device.

Revision history for this message
Lars Heer (l-heer) wrote :

Hi,

I've got an equal problem.

Architecture: amd64
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: cryptsetup 2:1.1.0~rc2-1ubuntu13

If I try luksformat (ext3/ext4) on an 166GB partition the system freezes.
Format freezes after 900 of 1300 blocks
I cannot login onto another shell. If the wlan driver (iwlagn) is loaded it permanently reports something like "no buffer left".

A smaller partition on the same system is no problem!

Please let me know if more information is needed.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in cryptsetup (Ubuntu):
status: New → Confirmed
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