Re: [Xen-devel] Re: Unable to find root device. domU??

[Rob Gardner <rob.gardner@xxxxxx>]

David Becker wrote:

> " >There are some fixes for domU device probing waiting in the queue to 
> " >get pushed to the public tree. Hopefully should fix some of these 
> " >failures.
> I tried today's pull and xenU will still not detect the vbd.
> This is not consistent across hardware.   xenU detects the vbd OK on
> a Dell PE1650 but not on an IBM HS20 Blade (type 8678).
> The Dell has a scsi drive and the IBM has IDE.  Both hosts 
> have LVM partitions for the xenUs.
>
> xenU on the IBM says:
>    Xen virtual console successfully installed as tty1                   
>    Event-channel device installed.                   
>    xen_blk: Initialising virtual block device driver
>    xen_net: Initialising virtual ethernet driver.   
>  
This is exactly the problem I was seeing all last week. I re-imaged my 
base system to clean up the filesystem, and that appears to have solved 
the problem on two different machines. So it seems that the bug is also 
exposed or affected by something in the filesystem, possibly an out of 
date library, or something. The only clue I can offer (which may just be 
coincidence) is that all the affected systems had previously run xen 2.0 
in the past, while the new (working) system was a clone of a system that 
had only ever had xen 3.0 on it.
Rob Gardner



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