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

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: Itamar Reis Peixoto [mailto:itamar@xxxxxxxxxxxxxxxx] 
> Sent: 30 April 2007 15:33
> To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] error creating domain in xen 3.0.5
> 
> 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.

Can you post the config file?

--
Mats
> [root@vps auto]#
> 
>  
>  
> --------------------
>  
> 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 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 
> <mailto:xen-users@xxxxxxxxxxxxxxxxxxx> 
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx 
> <mailto: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>  
> <mailto:itamar@xxxxxxxxxxxxxxxx <mailto:itamar@xxxxxxxxxxxxxxxx> > 
> > msn: itamarjp@xxxxxxxxxxxxx <mailto:itamarjp@xxxxxxxxxxxxx> 
>  <mailto: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>  
> > <mailto:Mats.Petersson@xxxxxxx <mailto:Mats.Petersson@xxxxxxx> > >
> > To: "Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx 
> <mailto:itamar@xxxxxxxxxxxxxxxx>  
> > <mailto:itamar@xxxxxxxxxxxxxxxx 
> <mailto:itamar@xxxxxxxxxxxxxxxx> > >; 
> > <xen-users@xxxxxxxxxxxxxxxxxxx 
> <mailto:xen-users@xxxxxxxxxxxxxxxxxxx>  
> > <mailto:xen-users@xxxxxxxxxxxxxxxxxxx 
> <mailto:xen-users@xxxxxxxxxxxxxxxxxxx> > >
> > Cc: <xen-devel@xxxxxxxxxxxxxxxxxxx 
> <mailto:xen-devel@xxxxxxxxxxxxxxxxxxx>  
> > <mailto: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 
> <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>  
> > <mailto:xen-users@xxxxxxxxxxxxxxxxxxx 
> <mailto:xen-users@xxxxxxxxxxxxxxxxxxx> > 
> > > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx 
> <mailto:xen-devel@xxxxxxxxxxxxxxxxxxx>  
> > <mailto: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
> > 
> > 
> > 
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> 
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