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[Xen-devel] Porting 2.0.7 to newer linux kernel

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Michal Ludvig <michal@xxxxxxxx>
  • Date: Tue, 28 Feb 2006 23:24:19 +1300
  • Delivery-date: Tue, 28 Feb 2006 16:57:53 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi there,

I'm trying to port Xen 2.0.7 to a more recent kernels than the last supported 2.6.12. Why? Because my server is far far away and I'm not going to remotely upgrade Xen 2.0 to Xen 3.0 and then fly over there to fix it. And after all it's a good coding excercise ;-)

Anyway, going in small steps, thus doing 2.6.13 first. After half a day of work it finally compiles but an attempt to create domain with this kernel ends up with "Error: Error creating domain: (0, 'Error')" and the domain is still present in xm list:

# xm create -c bobek-x2
Using config file "bobek-x2".
Error: Error creating domain: (0, 'Error')
# xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0      251    0  r----    145.4
Domain-2           2      128    0  --p--      0.0

Where can I get more info on what goes wrong? Can I run the kernel or hypervisor in some verbose or debug mode? So far I only got some info from xm log, but not too useful:

[2006-02-28 23:14:35 xend] DEBUG (XendDomainInfo:720) init_domain> Created domain=2 name=bobek-x2 memory=128 [2006-02-28 23:14:35 xend] INFO (console:94) Created console id=12 domain=2 port=9602 [2006-02-28 23:14:36 xend] ERROR (SrvBase:162) op=create: Error creating domain: (0, 'Error')
Traceback (most recent call last):
File "/usr/lib/python2.3/site-packages/xen/xend/server/SrvBase.py", line 107, in _perform
    val = op_method(op, req)
File "/usr/lib/python2.3/site-packages/xen/xend/server/SrvDomainDir.py", line 71, in op_create
    raise XendError("Error creating domain: " + str(ex))
XendError: Error creating domain: (0, 'Error')
[2006-02-28 23:14:36 xend] INFO (XendRoot:116) EVENT> xend.console.create [12, 2, 9602] [2006-02-28 23:14:52 xend] INFO (XendRoot:116) EVENT> xend.domain.create ['Domain-2', '2']

Thanks for any hints!

Michal Ludvig

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