tcplay not working if XOrg running [SOLVED]

[Uwe Münzberg]

md must kldloaded before runnig X.

> Uwe Münzberg <uwe.muenzberg at arcor.de> hat am 5. Mai 2017 um 11:32 geschrieben:
> 
> 
> why can I not map the encryptet volume?
> 
> probook# whoami
> root
> probook# dd if=/dev/zero of=secfile bs=1024k count=10
> 10+0 records in
> 10+0 records out
> 10485760 bytes transferred in 0.018927 secs (554007824 bytes/sec)
> probook# vnconfig -c -v vn0 secfile
> /dev/vn0: secfile, complete file mapped
> probook# tcplay -c -d /dev/vn0
> Passphrase: 
> Repeat passphrase: 
> Summary of actions:
>  - Completely erase *EVERYTHING* on /dev/vn0
>  - Create volume on /dev/vn0
> 
>  Are you sure you want to proceed? (y/n) y
> Securely erasing the volume...
> This process may take some time depending on the size of the volume
> Creating volume headers...
> Depending on your system, this process may take a few minutes as it uses true random data which might take a while to refill
> Writing volume headers to disk...
> All done!
> probook# tcplay -i -d /dev/vn0
> Passphrase: 
> Device:                 /dev/vn0
> PBKDF2 PRF:             RIPEMD160
> PBKDF2 iterations:      2000
> Cipher:                 AES-256-XTS
> Key Length:             512 bits
> CRC Key Data:           0x50bc6cb8
> Sector size:            512
> Volume size:            19968 sectors
> IV offset:              256 sectors
> Block offset:           256 sectors
> probook# tcplay -m secdev -d /dev/vn0
> Passphrase: 
> libdm /usr/src/lib/libdm/dm_task.c:289: error: ioctl failed: 9
> dm_task_run failed
> Could not set up mapping secdev
> probook# kldload md
> kldload: can't load md: module already loaded or in kernel