From: Milan Broz <mbroz@redhat.com>
To: Ali Reza Sajedi <arsajedi@khanehjou.com>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] device-mapper problem
Date: Thu, 10 Jun 2010 11:46:48 +0200 [thread overview]
Message-ID: <4C10B488.4050808@redhat.com> (raw)
In-Reply-To: <5359FDF36F7442D6A1965F2ACDAF7DF9@AliPC>
On 06/10/2010 11:31 AM, Ali Reza Sajedi wrote:
> Hello All,
>
> I have cryptsetup 1.1.2 installed.
>
> Everytime after a new boot when I try to execute a cryptsetup command I
> get the following error:
>
> /proc/misc: No entry for device-mapper found
> Is device-mapper driver missing from kernel?
> Failaure to communicate with kernel device mapper driver.
>
> The problem is solved after trying to load the module dm_mod with:
>
> modprobe dm_mod
>
> Inspite of loading the module this problem keeps coming with every
> system booting.
The dm_mod module must be loaded before using DM devices, so probably
this is missing from initramdisk init? Depends on distro.
Milan
next prev parent reply other threads:[~2010-06-10 9:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 9:31 [dm-crypt] device-mapper problem Ali Reza Sajedi
2010-06-10 9:46 ` Milan Broz [this message]
2010-06-10 10:42 ` Ali Reza Sajedi
2010-06-10 12:15 ` Milan Broz
2010-06-10 12:27 ` Ali Reza Sajedi
2010-06-10 19:17 ` Arno Wagner
2010-06-10 22:28 ` Ali Reza Sajedi
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