[Bug 379508] [NEW] creating ext2/3 fs on cryptsetup/luks usb hdd partition hangs system

David Rekowski david.rekowski at gmx.de
Fri May 22 18:51:01 UTC 2009


Public bug reported:

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)

** Affects: cryptsetup (Ubuntu)
     Importance: Undecided
         Status: New

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creating ext2/3 fs on cryptsetup/luks usb hdd partition hangs system
https://bugs.launchpad.net/bugs/379508
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