Kernel Panic - not syncing: VFS:

Andrew Benton b3nton at gmail.com
Sun Feb 7 07:27:02 PST 2010


On 07/02/10 13:39, Aditya Bankar wrote:
>
>
>
>
> ----- Original Message ----
>> From: Aditya Bankar<adityabankar at yahoo.co.in>
>> To: lfs support<lfs-support at linuxfromscratch.org>
>> Sent: Sun, 7 February, 2010 5:18:26 PM
>> Subject: Kernel Panic - not syncing: VFS:
>>
>> Hi,
>>
>> I am getting this problem while launching the new LFS 6.5:
>>
>> Root NFS: No NFS server available, giving up
>> VFS: Unable to mount root fs via NFS trying floppy
>> VFS: Cannot open root device "sda6" on unknown_block (2,0)
>> Please append a correct "root=" boot options; here the options
>> Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown_block (2,0)
>>
>> I did not install grub. I have instead added new entries in the host system's
>> menu.lst. Since my LFS partition is /dev/sda6 as seen on host system I have
>> added the following to menu.lst
>> title           LFS6.5
>> root            (hd0,5)
>> kernel          /boot/lfskernel-2.6.30.2 root=/dev/sda6
>>
>> A result of grep on my .config file is the following:
>> grep NFS /mnt/lfs/compilation/linux-2.6.30.2/.config
>> CONFIG_NFS_FS=y
>> CONFIG_NFS_V3=y
>> CONFIG_NFS_V3_ACL=y
>> CONFIG_NFS_V4=y
>> CONFIG_ROOT_NFS=y
>> CONFIG_NFSD=y
>> CONFIG_NFSD_V3=y
>> # CONFIG_NFSD_V3_ACL is not set
>> # CONFIG_NFSD_V4 is not set
>> CONFIG_NFS_ACL_SUPPORT=y
>> CONFIG_NFS_COMMON=y
>>
>> Why don't we use initrd in lfs?
>>
>> Thanks,
>> Aditya
>>
>
> BTW, I have compiled SATA drivers.
>
> -Aditya
>
>
>
>        The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/

We need some more information. Are you trying to mount an NFS share as 
your root partition? If so I think you'll need to make an initrd.
Or is / a filesystem on /dev/sda6? If so what filesystem? Did you 
compile support for it into the kernel?

Andy



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