Re: [gentoo-user] Gentoo from ext3 to ext4

[reQuiem23 <niklas.baumstark@gmail.com>]

Saphirus Sage wrote:
> 
> 
> 
> On Jan 30, 2009, at 1:23 PM, reQuiem23 <niklas.baumstark@gmail.com>  
> wrote:
> 
>>
>>
>>
>> Albert Hopkins-4 wrote:
>>>
>>> On Fri, 2009-01-30 at 08:48 -0800, reQuiem23 wrote:
>>>> Hi all,
>>>>
>>>> i just had the idea to make a new ext4 partition (via mkfs.ext4)  
>>>> and copy
>>>> (cp) my whole root-dir into that new partition, change the /etc/ 
>>>> fstab,
>>>> add
>>>> an entry to the grub.conf and booting into that new partition. My / 
>>>> boot
>>>> is
>>>> on a separate ext3 partition, so this is not a problem. The kernel  
>>>> i use
>>>> is
>>>> gentoo-sources 2.6.28-r1 with ext4-support enabled. However, when  
>>>> i want
>>>> to
>>>> boot into my new system, the system starts, even the uvesafb  
>>>> starts, but
>>>> than the booting process stops with a message like "tty starting"  
>>>> and the
>>>> system reboots.
>>>>
>>>> I removed all the files in /proc /dev and /sys, so probably this  
>>>> could be
>>>> the cause of the problem.
>>>
>>> Yeah, you probably shouldn't have done that.  There are 'skeleton'
>>> copies of /dev/ files in your root partition before udev kicks in and
>>> those files are needed by the boot process (e.g. /dev/console).
>>>
>>> What I recommend doing is:
>>>      * boot into a livecd/usbstick
>>>      * mount your root partition (ro) somewhere (e.g. /tmp/root
>>>      * mount your empty destination partition somewhere
>>>        (e.g. /tmp/newroot)
>>>      * copy the files over to the new ext4 partition in whatever  
>>> manner
>>>      * reconfigure new fstab, grub.conf, etc and reboot.
>>>
>>> For livecd/usb I always use RipLinux.  The latest version supports  
>>> ext4
>>> and has both 32- and 64-bit kernels.
>>>
>>>
>>>
>>>
>>
>> I did it exactly the way you recommended, but i still get an error,  
>> even
>> though it's another one than before:
>>
>> Kernel: Unable to open an initial console.
>> Kernel panic - not syncing: No init found.  Try passing init= option  
>> to
>> kernel.
>>
>> An idea?
>> -- 
>> View this message in context:
>> http://www.nabble.com/Gentoo-from-ext3-to-ext4-tp21750949p21752851.html
>> Sent from the gentoo-user mailing list archive at Nabble.com.
>>
>>
> I had a similar problem with my initial LiveCD install. Do you just  
> boot directly from the gzipped kernel image or use initramfs?
> 
> 
> 


As expected, it was not a good idea to try and boot from an empty root
partition :D now it all works, I'm writing this from ext4, thanks to all of
you for your kind help.

Greetings,
Niklas
-- 
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