[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to p
From: |
Dr. David Alan Gilbert |
Subject: |
Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000 |
Date: |
Mon, 20 Jan 2020 09:42:49 +0000 |
User-agent: |
Mutt/1.13.0 (2019-11-30) |
* Peter Lieven (address@hidden) wrote:
> Am 17.01.20 um 16:59 schrieb Dr. David Alan Gilbert:
> > * Peter Lieven (address@hidden) wrote:
> > > Am 16.01.20 um 21:26 schrieb Dr. David Alan Gilbert:
> > > > * Peter Lieven (address@hidden) 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 (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?
> > > > > 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 ?
>
>
> I was not sure if I should reply since the patch is for a total different
> issue.
>
> Anyway, please feel free to add a
>
>
> Tested-by: Peter Lieven <address@hidden>
>
>
> I am currently not subscribed to qemu-devel so I can't reply directly.
>
OK, thanks!
Dave
> Best,
>
> Peter
>
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, (continued)
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/09
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Dr. David Alan Gilbert, 2020/01/09
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/13
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/16
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/16
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Dr. David Alan Gilbert, 2020/01/16
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/16
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/17
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Dr. David Alan Gilbert, 2020/01/17
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000, Peter Lieven, 2020/01/20
- Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000,
Dr. David Alan Gilbert <=