Pen Drive Kernel Panic

[duco-ergo-sum]

Hi,

I am attempting to install Funtoo Linux on a USB Thumb drive but during the boot, I'm greeted with a Kernel Panic.  The thumb drive itself is not listed among the available devices which may hold file system with a bootable OS.  This is although the running kernel has been selected from a menu provided by grub installed on the drive.

I have attempted to cover my bases in the kernel choosing as many USB options as seem sensible, please see the attached.

 

Please suggest how to proceed, thank you.

 

 

--

Kind regards

 

Stephen.

 

 

P.s.  Nudge.

config.txt

[whiteghost]

there was a kernel paramater --slow-usb or something like that i can't find it now.

there is rootwait

 /usr/src/linux/Documentation/kernel-parameters

[cardinal]

Delay 5 seconds before mounting root device:
 

rootdelay=5

[duco-ergo-sum]

Hi,

 

Firstly, I owe everyone an apology for taking so long to respond.  I am grateful for your help.

 

I will post an update once I have tried rootdelay=5

 

Thank you.

[duco-ergo-sum]

Hi everyone.

 

Again I am sorry, that it has taken me so long to return to this!

 

I have now tested with the rootdelay option and indeed the thumb drive is listed with the appropriate UUIDs for the respective partitions. 

I have also tested using the /dev/sdXn terms appropriate for my test machine.

 

 

Still I reach Kernel Panic - unknown block device.

[duco-ergo-sum]

I'll give this a bump.  Still the same old same old.

 

I have attempted to boot from multiple kernels.  Used rootdelay and pointed grub to multiple partitions.  Any ideas please?

 

Thanks

[duco-ergo-sum]

Last thing, last night, I changed grub.cfg.  My kernel booted all the way to log in.  Before setting this as solved, I will study this change to try to understand where I went wrong and report back here.

 

I've known that it was something simple that I was missing for s while now.  Soon I hope to tell you what that was...

 

Thanks.