Re: [Xen-ia64-devel] [PATCH] Allow multiple-time mmap of the privcmddevice

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

Does increasing memory for VTi from 128M to 256M help?
(You may need to increase dom0 memory. I'm not sure.)


On Wed, May 17, 2006 at 10:54:43AM +0800, Zhang, Xiantao wrote:
> Hi Yamahata /Alex,
>  When I configured memory 800M for xen0 and 128M for VTi, I can create VTi to 
> EFi with VP_mode, but it couldn't boot to system. I attached screen picture, 
> and could you give more tips? :)
> Thanks a lot.
> -Xiantao
> 
> > -----Original Message-----
> > From: Isaku Yamahata [mailto:yamahata@xxxxxxxxxxxxx]
> > Sent: 2006年5月17日 9:48
> > To: Zhang, Xiantao
> > Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-ia64-devel] [PATCH] Allow multiple-time mmap of the
> > privcmddevice
> > 
> > 
> > Thank you for the log.
> > The oom-killer of dom0 was triggered. Alex also reporeted it.
> > Please increase dom0 memory and decrease vti domain memory
> > as a work around for now.
> > When I tested, I used 512MB(default) for dom0 and 128MB for vti domU.
> > 
> > The root cause is the current implementation of foregin domain
> > page mapping wastes dom0 memory to allocate pseudo physical address.
> > (xen_ia64_privcmd_entry_mmap() in
> >  linux-2.6-xen-sparse/arch/ia64/xen/hypervisor.c)
> > I will fix this waste of dom0 memory by foreign domain page mapping.
> > 
> > 
> > On Wed, May 17, 2006 at 08:48:00AM +0800, Zhang, Xiantao wrote:
> > > Hi Yamahata,
> > >   I attached the log, and I have tried two times but all failed with same
> > phenomenon.
> > > Thanks
> > > -Xiantao
> > >
> > > > -----Original Message-----
> > > > From: Isaku Yamahata [mailto:yamahata@xxxxxxxxxxxxx]
> > > > Sent: 2006年5月16日 21:24
> > > > To: Zhang, Xiantao
> > > > Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > > > Subject: Re: [Xen-ia64-devel] [PATCH] Allow multiple-time mmap of the
> > > > privcmddevice
> > > >
> > > > On Tue, May 16, 2006 at 07:40:45PM +0800, Zhang, Xiantao wrote:
> > > > > With this patch and Alex's network.diff on tip, I couldn't create VTi
> > domain
> > > > yet, and it will result in xen to panic. Does it need other patches to 
> > > > work?
> > > >
> > > > No. Can I see panic log?
> > > >
> > > > --
> > > > yamahata
> > 
> > 
> > > _______________________________________________
> > > Xen-ia64-devel mailing list
> > > Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-ia64-devel
> > 
> > --
> > yamahata


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-- 
yamahata

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