* Peter Lieven (p...@kamp.de) wrote: > Am 16.01.20 um 21:26 schrieb Dr. David Alan Gilbert: > > * Peter Lieven (p...@kamp.de) wrote: > >> Am 16.01.20 um 13:47 schrieb 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 (p...@kamp.de) wrote: > >>>>>> Am 08.01.20 um 16:04 schrieb Dr. David Alan Gilbert: > >>>>>>> * Peter Lieven (p...@kamp.de) 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? > >> > >> Update from my side. This happens when I have Debian 10 with XFCE when the > >> Graphical User Interface is initialized. > >> > >> I see the log message when I specify -M pc-i440fx-2.9. If I obmit the > >> machine type the error does not appear. > > I can't persuade this to reproduce here on the images I currently have; > > but if you can rebuild, can you try the v3 of 'Fix hyperv synic on > > vhost' I've just posted? It turns off the alignment code that's > > spitting that error in vhost-kernel cases, so should go away. > > Your patch also seems to fix also my issue. No more errors and the network > keeps responding.
Great, can you reply to that post with a Tested-by ? Dave > > Thanks > > Peter > > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK