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List:       gentoo-user
Subject:    Re: [gentoo-user] VFS root device and kernek panic
From:       John Jolet <john () jolet ! net>
Date:       2005-09-29 21:35:01
Message-ID: 9E6F77CA-D7D0-4A56-A340-CA311581BBD0 () jolet ! net
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On Sep 29, 2005, at 3:50 PM, jangar wrote:

> hi, i have problem with Gentoo Linux 2005.1 AMD64 installation.
> CPU: Athlon 64 2800+
> HD SATA Maxtor 80GB
> Ati Radeon 9200
> etc...
>
> after make partition, LVM2 and compiling kernel and config grub my  
> kernel give me follow message:
> VFS Cannot Open root device "sda3" or unknow-block(0,0)
> ...
> Kernel panic ...
>
> i have set grub to follow synax
> ###############################################
> Title Gentoo/Linux
> root (hd0,0)
> kernel /kernel-2.6.12-gentoo-r10 root=/dev/sda3
> ###############################################
>
> and my /etc/fstab is configured as follow
> ###################################################################### 
> #
> /dev/sda1               /boot       ext2    defaults,noatime         
> 1 2
> /dev/sda2               none        swap    sw                       
> 0 0
> /dev/sda3               /           xfs     noatime                  
> 0 1
> /dev/vg/usr             /usr        xfs     noatime                  
> 0 0
> /dev/vg/home            /home       xfs     noatime                  
> 0 0
> /dev/vg/opt             /opt        xfs     noatime                  
> 0 0
> /dev/vg/var             /var        xfs     noatime                  
> 0 0
> /dev/vg/tmp             /tmp        xfs     noatime                  
> 0 0
> none                    /proc       proc    defaults                 
> 0 0
> none                    /dev/shm    tmpfs   nodev,nosuid,noexec      
> 0 0
> /dev/cdroms/cdrom0      /mnt/cdrom  auto    noauto,user              
> 0 0
> ###################################################################### 
> #
>
> what is appened?
>
you compiled dm_mod as a module, or not at all.  enable device mapper  
support in the kernel.
> thanks

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