From: Piotr Rybicki <piotr.rybicki@innervision.pl>
To: Andrey Korolyov <andrey@xdel.ru>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Vasiliy Tolstov <v.tolstov@selfip.ru>
Subject: Re: [Qemu-devel] incorrect memory size inside vm
Date: Mon, 22 Jun 2015 15:30:36 +0200 [thread overview]
Message-ID: <55880DFC.20403@innervision.pl> (raw)
In-Reply-To: <CABYiri-2PEFqVZHMyHeeqZx-rZFYTmQHF+O-Xp2drfdy8GbFMQ@mail.gmail.com>
W dniu 2015-06-19 o 14:01, Andrey Korolyov pisze:
> On Fri, Jun 19, 2015 at 2:14 PM, Piotr Rybicki
> <piotr.rybicki@innervision.pl> wrote:
>> Hello.
>>
>> Actually it was my mistake.
>> After some time using memory in guest (find /, cp bigfine, etc), res size of
>> qemu process shrinks to expected value.
>>
>> Sorry for disturbing.
>> Now i don't see any memory waste in guest and host when using 'base' memory
>> + 'dimm' memory.
>>
>> Although i have one issue.
>>
>> When i start qemu via libvirt with 16GB mem and 1G current mem:
>> (...)
>> <memory unit='KiB'>16777216</memory>
>> <currentMemory unit='KiB'>1048576</currentMemory>
>> (...)
>>
>> Qemu starts, and balloon can't free memmory, so guest doesn't boot (It hangs
>> or is looped in ' virtio_balloon virtio2: Out of puff! Can't get 1 pages').
>> I think this is because dimm memmory is not yet onlined, and balloon already
>> tries to shring memory in guest.
>>
>> Best regards
>> Piotr Rybicki
>>
>>
> - libvir@
>
> Please don`t top-post in technical mailing lists. Do you have a
> crashkernel-reserved area there in the boot arguments? What
> distro/guest kernel are running in this guest and what is dimm
> configuration?
>
Hi.
No, I don't have a crashkernel reserved area.
But I've solved my problem. I load virtio-balloon device as a module
(previously it was kernel built-in), and everything is working as expected.
Thank You for Your attention.
Best regards
Piotr Rybicki
next prev parent reply other threads:[~2015-06-22 13:30 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-17 13:35 [Qemu-devel] incorrect memory size inside vm Vasiliy Tolstov
2015-06-17 14:09 ` Andrey Korolyov
2015-06-17 15:33 ` Vasiliy Tolstov
2015-06-17 15:38 ` Andrey Korolyov
2015-06-17 16:26 ` Vasiliy Tolstov
2015-06-17 21:21 ` Vasiliy Tolstov
2015-06-17 22:40 ` Andrey Korolyov
2015-06-17 22:44 ` Vasiliy Tolstov
2015-06-17 22:52 ` Andrey Korolyov
2015-06-17 22:57 ` Vasiliy Tolstov
2015-06-18 15:05 ` Piotr Rybicki
2015-06-18 21:23 ` Andrey Korolyov
2015-06-19 11:14 ` Piotr Rybicki
2015-06-19 12:01 ` Andrey Korolyov
2015-06-19 12:02 ` Vasiliy Tolstov
2015-06-22 13:30 ` Piotr Rybicki [this message]
2015-06-22 15:58 ` Andrey Korolyov
-- strict thread matches above, loose matches on Subject: below --
2015-06-23 12:32 Piotr Rybicki
2015-06-23 18:59 ` Andrey Korolyov
2015-06-23 22:10 ` Piotr Rybicki
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