[lug] Unable to mount root fs on unknown-block(22, 5) {no filter}

[Hugh Brown]

It couldn't find /sbin/init

you could pass init=/bin/bash and it will load you up into single user
mode.

Hugh


On Tue, 2004-08-03 at 17:37, Rodger.Wilson at Emulex.Com wrote:
> Ok today seems to be my day of issues.
> 
> Now I am getting the following error:
> 
> Kernel panic: No init found.  Try passing init= option to kernel.
> 
> Should I add an init option to LILO?  If so what init=/dev/hdc5?
> 
> Rodger Wilson 
> Senior engineer - Emulex
> 720-394-7275 (cell)
> 720-494-2488 (work)
> 
>  -----Original Message-----
> From: 	lug-bounces at lug.boulder.co.us [mailto:lug-bounces at lug.boulder.co.us]  On Behalf Of Wilson, Rodger
> Sent:	Tuesday, August 03, 2004 9:48 AM
> To:	lug at lug.boulder.co.us
> Subject:	RE: [lug] Unable to mount root fs on unknown-block(22,5)     {no filter}
> 
> You were right!  I guess I just assumed that IDE support was built into the system.... Silly me.
> 
> Rodger Wilson 
> Senior engineer - Emulex
> 720-394-7275 (cell)
> 720-494-2488 (work)
> 
>  -----Original Message-----
> From: 	lug-bounces at lug.boulder.co.us [mailto:lug-bounces at lug.boulder.co.us]  On Behalf Of Kevin Fenzi
> Sent:	Tuesday, August 03, 2004 9:46 AM
> To:	lug at lug.co.boulder.us
> Subject:	Re: [lug] Unable to mount root fs on unknown-block(22,5)     {no filter}
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> >>>>> "Rodger" == Rodger Wilson <Rodger.Wilson at Emulex.Com> writes:
> 
> Rodger> I am in the process of installing a new 2.6.5kgdb kernel.  It
> Rodger> has successfully created an initrd image. Which I presume is
> Rodger> at block 22, considering my error message.  Lilo load the
> Rodger> kernel, then loads block 22, and then cant mount the image.
> Rodger> ...........................  serio: i8042 AUX port at
> Rodger> 0x60,0x64 irq 12 input: ImPS/2 Generic Wheel Mouse on
> Rodger> isa0060/serio1 serio: i8042 KBD port at 0x60,0x64 irq 1 input:
> Rodger> AT Translated Set 2 keyboard on isa0060/serio0 Kernel panic:
> Rodger> VFS: Unable to mount root fs on unknown-block(22,5)
> Rodger> ...........................
> 
> Rodger> Could the kernel be expecting an uncompressed ram disk?
> Rodger> Do all ram disks have the same filesystem?
> Rodger> Can I verify that my ram disk is truly at block 22?
> 
> The problem probibly isn't the ramdisk... 
> 
> when it says 'unknown-block(22,5)' it likely means block device 22,5,
> which is hdc5. Ie, the master ide drive on the second ide channel,
> partition number 5. 
> 
> Usually this sort of message results from not having the IDE driver
> support built into your kernel. 
> 
> Did you enable ide support when you configured the kernel?
> Is hdc5 your / partition? 
> 
> Under RedHat/Fedora based setups, you will want to use 'mkinitrd' to
> make your inital ram disk. If thats having issues you can use that
> command to make a new one. 
> 
> Rodger> Rodger Wilson Senior engineer - Emulex 720-394-7275 (cell)
> Rodger> 720-494-2488 (work)
> 
> kevin
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