[dm-devel] Fw: [Bugme-new] [Bug 4507] New: device-mapper crypt can't encrypt cdrom device
Andrew Morton
akpm at osdl.org
Sun Apr 24 00:55:23 UTC 2005
I'm not sure if this is a bug or a user error. Could someone please
update the bugzilla record?
Thanks.
Begin forwarded message:
Date: Sun, 17 Apr 2005 07:39:02 -0700
From: bugme-daemon at osdl.org
To: bugme-new at lists.osdl.org
Subject: [Bugme-new] [Bug 4507] New: device-mapper crypt can't encrypt cdrom device
http://bugme.osdl.org/show_bug.cgi?id=4507
Summary: device-mapper crypt can't encrypt cdrom device
Kernel Version: 2.6.11
Status: NEW
Severity: normal
Owner: thornber at sistina.com
Submitter: hadmut at danisch.de
Distribution: Debian
Hardware Environment: Plain PC
Software Environment: dmsetup 1.01
Problem Description:
I tried to generate an encrypted CDROM (generated a
plain ISO image, encrypted it with the device mapper,
and burned it onto a CDROM).
But mounting the device with the device mapper fails:
# dmsetup create cdromx
0 73246 crypt aes-plain 61a60170273e74a5be90355ffe8e86ad 0 /dev/cdroms/cdrom0 0
device-mapper ioctl cmd 9 failed: Invalid argument
Command failed
dmesg says:
device-mapper: crypt: Device lookup failed
It seems as if dm_get_device in dm-table.c does not find the
cdrom drive. Even giving the full device path
/dev/ide/host0/bus1/target0/lun0/cd or the major:minor as
22:0 does not help.
regards
Hadmut
Steps to reproduce:
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