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

["Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx>]



I have 2 gb of memory on this machine.

 

[root@vps auto]# xm info
host                   : vps.ispbrasil.com.br
release                : 2.6.18-xen
version                : #1 SMP Sun Apr 29 21:43:24 EDT 2007
machine                : i686
nr_cpus                : 1
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 2388
hw_caps                : 00000000:bfebfbff:00000000:00000000:00000080:00004400
total_memory           : 528363
free_memory            : 0
xen_major              : 3
xen_minor              : 0
xen_extra              : .5-rc4
xen_caps               : xen-3.0-x86_32p
xen_pagesize           : 4096
platform_params        : virt_start=0xf5800000
xen_changeset          : Sun Apr 29 09:39:33 2007 +0100 14993:bf96999a2ffd
cc_compiler            : gcc version 4.1.2 20070424 (Red Hat 4.1.2-11)
cc_compile_by          : root
cc_compile_domain      : ispbrasil.com.br
cc_compile_date        : Mon Apr 30 08:41:09 EDT 2007
xend_config_format     : 3

[root@vps auto]# xm list
Name                                      ID   Mem VCPUs      State   Time(s)
Domain-0                                   0  1866     1     r-----     33.9

 

 

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

 

Itamar Reis Peixoto

 

e-mail: itamar@xxxxxxxxxxxxxxxx
msn: itamarjp@xxxxxxxxxxxxx
skype: itamarjp
icq: 81053601
+55 34 3238 3845
+55 11 4063 5033

----- Original Message -----

From: "Mark Williamson" <mark.williamson@xxxxxxxxxxxx>

To: <xen-users@xxxxxxxxxxxxxxxxxxx>

Cc: "Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx>; "Petersson, Mats" <Mats.Petersson@xxxxxxx>; <xen-devel@xxxxxxxxxxxxxxxxxxx>

Sent: Monday, April 30, 2007 12:49 PM

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

> Hi,
> 
> Xen seems to think you don't have much memory 
free, even though you should do.
> 
> Please post the output of xm 
dmesg and xm info.
> 
> Cheers,
> Mark
> 
> On 
Monday 30 April 2007, Itamar Reis Peixoto wrote:
>> I have 2 gb of 
memory on this machine, and in my domU config I have set
>> 
mem=32
>>
>> [root@vps auto]# pwd
>> 
/etc/xen/auto
>>
>> [root@vps auto]# xm list
>> 
Name                                      
ID   Mem VCPUs      State  
>> 
Time(s) 
Domain-0                                   
0   256     1     
r-----
>>     98.9 [root@vps auto]# xm mem-set 0 
32
>>
>> [root@vps auto]# xm list
>> 
Name                                      
ID   Mem VCPUs      State  
>> 
Time(s) 
Domain-0                                   
0    32     1     
r-----
>>    101.4
>>
>> [root@vps 
auto]# xm create ispbrasil
>> Using config file 
"./ispbrasil".
>> Error: I need 32768 KiB, but dom0_min_mem is 200704 
and shrinking to 200704
>> KiB would leave only -167936 KiB free. 
[root@vps auto]#
>>
>>
>>
>> 
--------------------
>>
>> Itamar Reis 
Peixoto
>>
>> e-mail: itamar@xxxxxxxxxxxxxxxx
>> 
msn: itamarjp@xxxxxxxxxxxxx
>> 
skype: itamarjp
>> icq: 81053601
>> +55 34 3238 
3845
>> +55 11 4063 5033
>> ----- 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 12:30 PM
>> 
Subject: RE: [Xen-users] error creating domain in xen 
3.0.5
>>
>> > -----Original Message-----
>> > 
From: Itamar Reis Peixoto [mailto:itamar@xxxxxxxxxxxxxxxx]
>> > 
Sent: 30 April 2007 15:21
>> > To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx
>> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>> > Subject: Re: [Xen-users] error creating domain in xen 
3.0.5
>> >
>> > I am using 3.0.5 RC4
>> 
>
>> > 
total_memory           : 
530810
>> > 
free_memory            : 
0
>>
>> So, it looks like you've got 256MB given to Dom0 and 
abouot 512MB of RAM
>> total in the machine.
>>
>> I 
think you may have problems fitting a 256MB Dom0, Xen Hypevisor and 
a
>> 256MB guest in 512MB. Perhaps you can reduce the Dom0 memory by 
some
>> 20-30MB and get it to fit?
>>
>> 
--
>> Mats
>>
>> > 
--------------------
>> >
>> > Itamar Reis 
Peixoto
>> >
>> > e-mail: itamar@xxxxxxxxxxxxxxxx <mailto:itamar@xxxxxxxxxxxxxxxx>
>> > msn: itamarjp@xxxxxxxxxxxxx <mailto:itamarjp@xxxxxxxxxxxxx>
>> > skype: itamarjp
>> > icq: 
81053601
>> > +55 34 3238 3845
>> > +55 11 4063 
5033
>> > ----- Original Message -----
>> > From: 
"Petersson, Mats" <Mats.Petersson@xxxxxxx
>> > <mailto:Mats.Petersson@xxxxxxx> >
>> > To: "Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx
>> 
> <mailto:itamar@xxxxxxxxxxxxxxxx> 
>;
>> > <xen-users@xxxxxxxxxxxxxxxxxxx
>> > <mailto:xen-users@xxxxxxxxxxxxxxxxxxx> >
>> > Cc: <xen-devel@xxxxxxxxxxxxxxxxxxx
>> > <mailto: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>
>> >
>> > > 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
>> > 
> Itamar Reis Peixoto
>> > > Sent: 30 April 2007 
14:36
>> > > To: xen-users@xxxxxxxxxxxxxxxxxxx
>> >
>> > <mailto:xen-users@xxxxxxxxxxxxxxxxxxx>
>> >
>> > > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>> >
>> > <mailto: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
>> >
>> >
>> 
>
>> > 
_______________________________________________
>> > Xen-users 
mailing list
>> > Xen-users@xxxxxxxxxxxxxxxxxxx 
<mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
>> > http://lists.xensource.com/xen-users
>> > <http://lists.xensource.com/xen-users>
>>
>> 
_______________________________________________
>> Xen-users mailing 
list
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>> http://lists.xensource.com/xen-users
> 
> 
> 
> -- 
> Dave: Just a 
question. What use is a unicyle with no seat?  And no pedals!
> Mark: 
To answer a question with a question: What use is a skateboard?
> Dave: 
Skateboards have wheels.
> Mark: My wheel has a 
wheel!
>
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