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Re: [Xen-users] error creating domain in xen 3.0.5

To: "Petersson, Mats" <Mats.Petersson@xxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] error creating domain in xen 3.0.5
From: "Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx>
Date: Mon, 30 Apr 2007 12:21:05 -0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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dom0_mem doesn't fix the problem.


--------------------

Itamar Reis Peixoto

e-mail: itamar@xxxxxxxxxxxxxxxx
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----- Original Message ----- From: "Petersson, Mats" <Mats.Petersson@xxxxxxx> To: "Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx>; <xen-users@xxxxxxxxxxxxxxxxxxx>
Cc: <xen-devel@xxxxxxxxxxxxxxxxxxx>
Sent: Monday, April 30, 2007 11:54 AM
Subject: RE: [Xen-users] error creating domain in xen 3.0.5



-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
Itamar Reis Peixoto
Sent: 30 April 2007 14:36
To: xen-users@xxxxxxxxxxxxxxxxxxx
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] error creating domain in xen 3.0.5

anyone can help-me ?

I am using fedora devel (6.92)


What version of Xen is that with?

Daniel Berrange submitted a patch that is in 3.0.5-RC4 to fix a problem
with auto-balloning of Dom0. That fixes a problem that is very similar
to yours (if not the same).

The workaround is to assign a fixed amount of memory to Dom0 with
"dom0_mem=xxx" on the xen.gz boot line in your boot config file.

<snip big log>
[2007-04-30 09:27:00 xend.XendDomainInfo 5143] DEBUG
(XendDomainInfo:1330) XendDomainInfo.initDomain: 8 256
[2007-04-30 09:27:00 xend 5143] DEBUG (balloon:133) Balloon:
0 KiB free; 0 to scrub; need 262144; retries: 20.
[2007-04-30 09:27:21 xend.XendDomainInfo 5143] ERROR
(XendDomainInfo:397) VM start failed
Traceback (most recent call last):
  File
"/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
 line 385, in start
    self._initDomain()
  File
"/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
 line 1375, in _initDomain
    balloon.free(memory + shadow)
  File
"/usr/lib/python2.5/site-packages/xen/xend/balloon.py", line
170, in free
    free_mem + scrub_mem + dom0_alloc - dom0_min_mem))
VmError: I need 262144 KiB, but dom0_min_mem is 200704 and
<snip another copy of same error message>

--
Mats



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