Re: luks, swap and crash

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Ok, hard freeze is not good. 

One thing you could try is a serial console. This needs only
a boot option to the kernel. 

CentOS 5.5 is also pretty recent.

Unless Milan knows what is going on here, a recreation in
a test machine would probably be the best next step.

Hmm, do you by any chance encrypt swap _twice_? 

BTW, pretty peculiar setup. I take it this machine installs 
itself from an image to the encrypted filesystem (with random 
key) on boot? JUst out of curiosity, how long does that
take?

Arno


On Mon, May 02, 2011 at 09:21:41PM +0200, Fran?ois Chenais wrote:
> 2011/5/2 Arno Wagner <arno@xxxxxxxxxxx>
> 
> > What do you mean by "crash"?
> >
> >
> Crash = the computer is frozen, nothing happens. The only way to bring it
> back to life is to power off/on.
> 
> 
> I knew U'll ask me some logs but ... :)
> 
>   Actually, I have no logs because log files are written on encrypted file
> system and the file system
>   is encrypted at boot time; each time with at new unknown random key ; so I
> have NO file, NO LOG, Nothing,
>   as in a black hole !:P
> 
>   I don't have change anything because it's a production server.
>   I need to take time to reproduce the crash on a test machine.
> 
> ... but I'm interested about the list feedback about same experience.
> 
> 
>   The system is CentOS 5.5.
> 
> 
> 
> 
> > Arno
> >
> > On Mon, May 02, 2011 at 11:50:25AM +0200, Fran?ois Chenais wrote:
> > > Hello,
> > >
> > > I have some computers crashing while using crypted swap partition.
> > >
> > > The system doesn't crash if I remove the swap.
> > > The system crash again if I use a swap file on a crypted filesystem.
> > >
> > > Is this a known issue ?
> > >
> > >
> > > Thanks in advance for your "lights"
> > >
> > >    Fran?ois
> >
> > > _______________________________________________
> > > dm-crypt mailing list
> > > dm-crypt@xxxxxxxx
> > > http://www.saout.de/mailman/listinfo/dm-crypt
> >
> >
> > --
> > Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email:
> > arno@xxxxxxxxxxx
> > 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
> > _______________________________________________
> > dm-crypt mailing list
> > dm-crypt@xxxxxxxx
> > http://www.saout.de/mailman/listinfo/dm-crypt
> >

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


-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@xxxxxxxxxxx 
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 
_______________________________________________
dm-crypt mailing list
dm-crypt@xxxxxxxx
http://www.saout.de/mailman/listinfo/dm-crypt


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