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From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Password is not accepted
Date: Wed, 21 Sep 2011 01:43:54 +0200	[thread overview]
Message-ID: <20110920234354.GA30110@tansi.org> (raw)
In-Reply-To: <D0CA156632144B8DB62D5E253C5AF6E8@adminDator>

Very strange indeed. Is this repeatable?

LUKS itself does not need any time to activate. LVM
should not need more than fractions of a second.

Meybe a thermal issue with RAM, CPU or PSU that has the
password iterations fail when cold and work when warmed 
up? For CPU/RAM this would be strance as cold CMOS 
circuits work better than hot ones. For the PSU, it
is possible that failing capacitors reconstiture a bit
after warm up. Anyways, sounds like a hardware issue to 
me.

Arno

On Tue, Sep 20, 2011 at 09:13:32PM +0200, Ask Me wrote:
> Hi
> 
> Now I'm having a strange problem. First I thought that I was getting old and had forgot my password but now it happens more then once.
> 
> When I reboot my computer and try to open my encrypted device with "cryptsetup luksOpen /dev/vg_home/home_private lv_encr" I get the message that my password is not accepted.
> But if I reboot it again and wait for a few minutes and try the command again it's successful. 
> Is it possible that it needs time to activate? It's a LVM array. But my /tmp and swap is encrypted at boot and they works (I hope =) )
> 
> My setup is
> sda1 -> LVM -> dm_crypt -> xfs
> 
> //Martin

> _______________________________________________
> dm-crypt mailing list
> dm-crypt@saout.de
> http://www.saout.de/mailman/listinfo/dm-crypt


-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name 
GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25 338F
----
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier 

       reply	other threads:[~2011-09-20 23:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <D0CA156632144B8DB62D5E253C5AF6E8@adminDator>
2011-09-20 23:43 ` Arno Wagner [this message]
2011-09-21  2:03   ` [dm-crypt] Password is not accepted Karl O. Pinc
2011-09-21  3:05     ` Milan Broz
2011-09-21 12:57       ` ken

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