Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000

[Peter Lieven]

Am 13.01.20 um 17:25 schrieb Peter Lieven:
> Am 09.01.20 um 19:44 schrieb Dr. David Alan Gilbert:
> > * Peter Lieven (address@hidden) wrote:
> > > Am 08.01.20 um 16:04 schrieb Dr. David Alan Gilbert:
> > > > * Peter Lieven (address@hidden) wrote:
> > > > > Hi,
> > > > >
> > > > >
> > > > > I have a Qemu 4.0.1 machine with vhost-net network adapter, thats polluting the 
> > > > > log with the above message.
> > > > >
> > > > > Is this something known? Googling revealed the following patch in Nemu (with 
> > > > > seems to be a Qemu fork from Intel):
> > > > >
> > > > > https://github.com/intel/nemu/commit/03940ded7f5370ce7492c619dccced114ef7f56e
> > > > >
> > > > >
> > > > > The network stopped functioning. After a live-migration the vServer is 
> > > > > reachable again.
> > > > >
> > > > >
> > > > > Any ideas?
> > > > What guest are you running and what does your qemu commandline look
> > > > like?
> > >
> > > Its running debian9. We have hundreds of other VMs with identical setup. Do not 
> > > know why this one makes trouble.
> > Could you extract an 'info mtree' from it - particularly the
> > 'address-space: memory' near the top.
>
>
> Here we go:
>
>
> address-space: memory
>   0000000000000000-ffffffffffffffff (prio 0, i/o): system
>     0000000000000000-000000003fffffff (prio 0, i/o): alias ram-below-4g @pc.ram 
> 0000000000000000-000000003fffffff
>     0000000000000000-ffffffffffffffff (prio -1, i/o): pci
>       00000000000a0000-00000000000affff (prio 2, i/o): alias vga.chain4 
> @vga.vram 0000000000000000-000000000000ffff
>       00000000000a0000-00000000000bffff (prio 1, i/o): vga-lowmem


What seems special is that the RAM area is prio2. Any idea if this makes 
trouble?


Peter