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

[Hulin Thibaud]

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@xxxxxxxxxx> 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,

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