[Xen-devel] Re: Linux 3.0-rc1 - what Xen components went in.

[Stephan Seitz <stse+xen@xxxxxxxxxxxxxxxxxxx>]

On Tue, May 31, 2011 at 12:12:24PM -0400, Konrad Rzeszutek Wilk wrote:
> - Xen block backend. Yes, it is in!
I tried 3.0-rc2 as a Dom0 kernel, but I have problems with the block 
backend support.
Both Dom0 and DomU are Debian/Testing systems. XEN version is 4.1.0.

The 3.0-rc2 compiled and started without problems, even the DomU started.  
But when I looked at the DomU console I noticed that the system had 
problems with the filesystems. ext3 and ext4 partitions produced journal 
errors and got mounted read only.
Going back to my 2.6.34.8 with xen patches the DomU problems vanished.

Here is the XEN configuration part for the DomU block devices:

disk = [ 'phy:mapper/mroot,xvda1,w', 'phy:mapper/mswap,xvda2,w', 
'phy:mapper/mvar,xvda5,w', 'phy:mapper/msquid,xvda6,w', 
'phy:mapper/musr,xvda7,w', 'phy:mapper/mhome,xvda8,w' ]
Do I have to change something? The devices are LUKS encrypted LVM 
devices.
The DomU kernel is a 2.6.36.4 vanilla kernel. I noticed that I can’t use 
a newer kernel. Every kernel > 2.6.36 crashes the DomU immediatley (I 
don’t even get a console). The log said that DomU was crashing too fast, 
so it was disabled to avoid loops. This happens with 2.6.34.8 as Dom0 
kernel and with 3.0-rc2.
Shade and sweet water!

        Stephan

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| Stephan Seitz             E-Mail: stse@xxxxxxxxxxxxxxxxxxx |
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