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

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In progress ! I built-in LVM driver and compile the kernel with the -initrd option. I have not more the kernel panic message, but I have a lot of errors than this : 

I/O error ; hda: cannot handle device with more than 16 heads - giving up
I'm astonished, I believed that old .config was operational with a new kernel (my old was a 2.6.16, the new, 2.6.17). 

Regards,
Thibaud.

Hulin Thibaud a écrit :

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 <[email protected]> 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.
 >> -
 >> To unsubscribe from this list: send the line "unsubscribe
 >> linux-kernel" in
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 >> Please read the FAQ at  http://www.tux.org/lkml/
 >>
 >
 >




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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