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Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore.

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Le Mon, 23 Feb 2015 18:37:33 +0100,
 Aragorn <thorongil@telenet.be.invalid> disait ceci :
> On Monday 23 February 2015 15:18, Pim conveyed the following to 
> comp.os.linux.misc...
>
>> Hi all.
>> Could you read everything please : i try to give all the details.
>> 
>> I'm on Debian wheezy and i just compile a knew kernel comming from
>> debian Distribution.
>> In fact it is the last dpkg update kernel source
>> for the stable wheezy.
>> 
>> uname -a gives:
>> Linux Amd64 3.2.65 #1 SMP Mon Feb 16 22:04:41 CET 2015 x86_64
>> GNU/Linux
>> 
>> Unfortunately it does not sees my root partition / if I tell grub2
>> to search it by UUID.
>> 
>> Note that i have my /boot partition (where leaves the kernel and so)
>> different from the / partition (linux system and linux tree entry).
>> 
>> On boot i have a message like:
>> blkid : cannot find UUID=xxxxx or something like that when booting
>> by /dev/sdb5 : possibly that uuid is red in /etc/fstab.
>> But trying to boot with uuid give a kernel panic
>> unable to boot on (0,0) or something like that.
>> Note also the i did compile kernel WITHOUT initrd.
>>
>> [...]
>
> That last quoted line above says it all.  The kernel does not by itself 
> support UUIDs or LABELs.  If you want to boot a kernel while using a 
> UUID or a LABEL in your grub.cfg or at the kernel boot line, then you'll 
> need to create an initramfs.
>
> -- 
> = Aragorn =
>
>          http://www.linuxcounter.net - registrant #223157

Thank's for reply.
Ok.
Could you explain me why that please : how does it work?

Thank You!

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Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-23 14:18 +0000
  Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Aragorn <thorongil@telenet.be.invalid> - 2015-02-23 18:37 +0100
    Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-23 18:32 +0000
      Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Aragorn <thorongil@telenet.be.invalid> - 2015-02-23 19:43 +0100
        Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-23 19:30 +0000
          Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Aragorn <thorongil@telenet.be.invalid> - 2015-02-24 09:08 +0100
      Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2015-02-23 17:50 -0500
        Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-24 02:41 +0000
          Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2015-02-24 01:29 -0500
            Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-24 18:32 +0000
            Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Jerry Peters <jerry@example.invalid> - 2015-02-24 21:16 +0000
    Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2015-02-27 21:47 +0100
      Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pim <moi@free.fr> - 2015-02-27 23:43 +0000
      Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Aragorn <thorongil@telenet.be.invalid> - 2015-02-28 00:44 +0100
        Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2015-02-28 14:29 +0100
          Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Aragorn <thorongil@telenet.be.invalid> - 2015-02-28 21:10 +0100
            Re: Linux Wheezy just compiled 3.2.65 kernel does not see UUID of my 1st partition anymore. Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2015-03-01 10:40 +0100

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