Re: Simpest setup for using comedi

From: Bernd Porr <BerndPorr_at_f2s.com> · Date: Tue, 27 Apr 2004 09:33:26 +0100

Bob,

I had a similar error message when I imported the config from a 2.4.x 
kernel.

Attached is my config for the 2.6.x-comedi kernel.

/Bernd

www:	http://www.berndporr.me.uk/
         http://www.linux-usb-daq.co.uk/
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Bob Estes wrote:
> Thanks.
> 
> I can't get the compiled 2.6.5 kernel to boot.  Maybe you've seen this
> before:
> 
>   VFS: Cannot open rot device "303"of unknown-block(3,3)
>   Please append corret "root=" boot option
>   Kernel panic: VFS: Unable to mount root fs on unknown-block(3,3)
> 
> I tracked this error message to a couple sites and made the changes
> suggested to my kernel, without luck.  I didn't have a working 2.6.5
> .config to start with, though - a fresh Debian Woody install doesn't have a
> 2.6 kernel.  I running on a fairly generic Celeron/Inter865GX system
> (IceCube).
> 
> Thanks,
> 
> -B
> 
> 
>>Bob,
>>
>>Debian woody. With automake/autoconf updated to the newest version. 
>>Updated also manually the modutils and the hotplug scripts.
>>
>>2.6.5 kernel with comedi support:
>>http://www.linux-usb-daq.co.uk/driver/2.6/
>>
>>/Bernd
>>
>>
>>www:	http://www.berndporr.me.uk/
>>         http://www.linux-usb-daq.co.uk/
>>e-mail:	BerndPorr_at_f2s.com
>>Mobile:	+44 (0)7769-506746
>>Landl.:	+44 (0)1324 875445
>>Work:	+44 (0)1786-46-6378
>>Postal:	Room: 3B141, Univ of Stir, FK9 4LA, Scotl
>>
>>
>>Bob Estes wrote:
>>
>>>Hi,
>>>
>>>I've been on this mailing list for a while, not reading it closely though,
>>>and there seem to always be compilation problems.  I just bought a new
>>>machine and installed redhat 7.3 w/ a 2.4.23 kernel on it - that's what we
>>>use at work - and then compiled all the comedi stuff, ran the test programs
>>>successfully, etc.
>>>
>>>This is the exact same kernel (source) I'm using on another system for
>>>which everything worked.  I copied the kernel source and kraxel patch that
>>>I used last time, etc., to the new system.  
>>>
>>>To make a long story short, I was wondering what linux OS the developers
>>>use - I'b like to install the exact same OS here to minimize compilation
>>>and support issues in the future.
>>>
>>>Thanks,
>>>
>>>-B
>>>
>>>
>>>_______________________________________________
>>>comedi mailing list
>>>comedi_at_comedi.org
>>>https://cvs.comedi.org/cgi-bin/mailman/listinfo/comedi