[Xen-users] frustrated with build problems

[Dana Rawding <dana@xxxxxxxxxxx>]

Hi all,

I thought my cpu soft lockup issue were behind me with the addition of the 
sched-credit stuff.  However I'm still experiencing the lockup issues when an 
domU does anything cpu intensive.  A large tar will completely hang it.  This 
has lead me to try to upgrade/change the kernels on my servers. 

I started by downloading the source from xen.org and compiling on my Ubuntu Xen 
dev server.  This went surprisingly well.  However when I put the new kernel in 
grub it will not boot as it can't find the root.  I set root=/dev/cciss/c0p01 
which should have worked.  I tried by UUID, 
root=UUID=9da5323b-e47c-4367-bed0-2d2b53ba5a45 and still no joy.  After six 
hours of every combo possible I gave up and threw a new set of drives in the 
machine and installed Centos 5.2.  

The Centos install went fine and I installed the stock xen.  I moved over a 
test domU and tried to add it with xm new.  Of course the xen from the Centos 
distro is like 3.0 and doesn't even have the xm new option.  So I try to start 
with xm create and I get the following error: ACMError: Policy file 
'/etc/xen/acm-security/policies/-security_policy.xml' not found.  I did a few 
searches and see some work arounds/fixes but decide I'll try to build the 
latest as I did on Ubuntu.  I've now done 7 builds only to have it fail every 
time an hour into it with some dependency that should have been installed.  I 
did a yum groupinstall 'Development Tools' and verified that I had all the 
dependencies installed as stated in the README.  It still amazes me that there 
is stuff missing (this last time it was makeinfo?).  It's running yet again but 
I don't have high hopes that it's going to complete without additional problems.

I've now spent over two full days trying to get some stability with no luck.  
Is there any somewhat current (at least 3.3) yet stable 32 bit version of Xen 
out there with a simple installer?  I know if I had 64 bit machines I could 
have easily used http://www.gitco.de/repo/ to update Centos.  However new 
hardware right now is not an option.  I'm open to any distro that is going to 
make this easier.  At this point my frustration level is so high that I'm 
actually considering moving everything back to VMWare 3.5!  

Any ideas before I pull out the little hair remaining on my head?
Dana


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