Re: kernel panic - not syncing: VFS - unable to mount root fs on unknown-block

[Hulin Thibaud <hulin.thibaud@wanadoo.fr>]

Sorry, new kernel is 2.6.17. to install suspend2.
I believe using LVM, but I'm not sure.
In effect, initrd is not present ! I rode this lines in my menu.lst :
title		Ubuntu, kernel 2.6.171915
root		(hd1,4)
kernel		/boot/vmlinuz-2.6.171915 root=/dev/hdb5 ro quiet splash
savedefault
boot

So, I suppose that's the center of the problem, but actually, I don't 
know how to solve it.

Nick Manley a écrit :
 > I think you meant 2.6.18?  Anyways, I'm not expert but I usually have
 > problems when using oldconfig.  It seems you have your kernel settings
 > configured properly and have included all the proper stuff (ext3, ide
 > drivers) to be built in.  I would try disabling SCSI if you aren't
 > using it.  Another thing to look at would be your settings in GRUB (or
 > lilo).  Your particular setup might vary but it should look something
 > like this...
 >
 > title Linux 2.6.18
 > root (hd0,2)
 > kernel /boot/bzImage-2.6.18 root=/dev/hda3 ro
 > # you might also have an "initrd" placed here
 >
 > If you search Google you can find other suggestions as well and also
 > posting to your distribution's forum might be a good idea too as the
 > kernel mailing list is usually a place for reporting bugs and
 > discussing kernel development.  Basically it is a last resort kind of
 > thing if you can't find the information anywhere else.
 >
 > On 8/13/06, Hulin Thibaud <hulin.thibaud@wanadoo.fr> wrote:
 >> Hello !
 >> I'm trying to compile my own kernel for drivers on two computers, but
 >> that fails. A the boot, I have this error :
 >> kernel panic - not syncing: VFS Unable to mount root fs on unknow-block
 >> (3.69)
 >>
 >> I'm using the kernel 2.6.19 with Ubuntu Dapper. I use the old boot
 >> config and I type make oldconfig, so I don't understand why there are an
 >> error with the near same configuration.
 >> I suppose that I must compile not in module but in hard support for my
 >> IDE chipset, harddisk and file system. Probably, I don't understand how
 >> do exactly. I do that :
 >> lspci |grep IDE
 >> 0000:00:11.1 IDE interface: VIA Technologies, Inc.
 >> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
 >> make xconfig
 >> -Device Drivers
 >> --* ATA/ATAPI/MFM/RLL support
 >> --- * Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support
 >> --- * Include IDE/ATA-2 DISK support
 >> --- * PCI IDE chipset support
 >> ---- * Generic PCI IDE Support
 >> ----- * VIA82CXXX chipset support
 >> - File systems
 >> -- * Ext3 journalling file system support
 >> --- * Ext3 extended attributes
 >> ---- * Ext3 POSIX Access Control Lists
 >> ---- * Ext3 Security Labels
 >>
 >> Have I forgot anything ?
 >>
 >> Thanks very much,
 >> Thibaud.
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 >
 >




Jiri Slaby a écrit :
> Hulin Thibaud wrote:
>> Hello !
>> I'm trying to compile my own kernel for drivers on two computers, but 
>> that fails. A the boot, I have this error :
>> kernel panic - not syncing: VFS Unable to mount root fs on 
>> unknow-block (3.69)
>>
>> I'm using the kernel 2.6.19 with Ubuntu Dapper. I use the old boot 
> 
> Wow, 2.6.18 wasn't released yet and you have 2.6.19, cool.
> 
>> config and I type make oldconfig, so I don't understand why there are 
>> an error with the near same configuration.
>> I suppose that I must compile not in module but in hard support for my 
>> IDE chipset, harddisk and file system. Probably, I don't understand 
>> how do exactly. I do that :
>> lspci |grep IDE
>> 0000:00:11.1 IDE interface: VIA Technologies, Inc. 
>> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
>> make xconfig
>> -Device Drivers
>> --* ATA/ATAPI/MFM/RLL support
>> --- * Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support
>> --- * Include IDE/ATA-2 DISK support
>> --- * PCI IDE chipset support
>> ---- * Generic PCI IDE Support
>> ----- * VIA82CXXX chipset support
>> - File systems
>> -- * Ext3 journalling file system support
>> --- * Ext3 extended attributes
>> ---- * Ext3 POSIX Access Control Lists
>> ---- * Ext3 Security Labels
>>
>> Have I forgot anything ?
> 
> RAID or LVM? Try initrd.
> 
> regards,