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From: Peter Lieven <pl@kamp.de>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000
Date: Thu, 16 Jan 2020 13:47:32 +0100	[thread overview]
Message-ID: <cd316fb8-b56b-2913-8b57-f085ca4426d7@kamp.de> (raw)
In-Reply-To: <b89e8ba2-49e9-8c0d-1129-116afa76366a@kamp.de>

Am 13.01.20 um 17:25 schrieb Peter Lieven:
> Am 09.01.20 um 19:44 schrieb Dr. David Alan Gilbert:
>> * Peter Lieven (pl@kamp.de) wrote:
>>> Am 08.01.20 um 16:04 schrieb Dr. David Alan Gilbert:
>>>> * Peter Lieven (pl@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?


Peter



  reply	other threads:[~2020-01-16 12:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-08 13:45 qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000 Peter Lieven
2020-01-08 15:04 ` Dr. David Alan Gilbert
2020-01-09 18:19   ` Peter Lieven
2020-01-09 18:44     ` Dr. David Alan Gilbert
2020-01-13 16:25       ` Peter Lieven
2020-01-16 12:47         ` Peter Lieven [this message]
2020-01-16 16:44           ` Peter Lieven
2020-01-16 20:26             ` Dr. David Alan Gilbert
2020-01-16 21:10               ` Peter Lieven
2020-01-17 12:18               ` Peter Lieven
2020-01-17 15:59                 ` Dr. David Alan Gilbert
2020-01-20  9:32                   ` Peter Lieven
2020-01-20  9:42                     ` Dr. David Alan Gilbert

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