linux-kernel - Re: [PATCH 2/3] drivers/xen/balloon.c: Various balloon features and fixes

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Message-ID: <947c7677e042b3fd1ca22d775ca9aeb9@imap.selfip.ru>
Date:	Mon, 27 Dec 2010 19:27:56 +0300
From:	Vasiliy G Tolstov <v.tolstov@...fip.ru>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Daniel Kiper <dkiper@...-space.pl>, <akpm@...ux-foundation.org>,
	<andi.kleen@...el.com>, <haicheng.li@...ux.intel.com>,
	<fengguang.wu@...el.com>, <jeremy@...p.org>,
	<dan.magenheimer@...cle.com>, <xen-devel@...ts.xensource.com>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [PATCH 2/3] drivers/xen/balloon.c: Various balloon features and
 fixes

On Mon, 27 Dec 2010 10:08:47 -0500, Konrad Rzeszutek Wilk
<konrad.wilk@...cle.com> wrote:
> On Mon, Dec 20, 2010 at 02:47:24PM +0100, Daniel Kiper wrote:
>> Features and fixes:
>>   - HVM mode is supported now,
>>   - migration from mod_timer() to schedule_delayed_work(),
>>   - removal of driver_pages (I do not have seen any
>>     references to it),
>>   - protect before CPU exhaust by event/x process during
>>     errors by adding some delays in scheduling next event,
>>   - some other minor fixes.

I have apply this patch to bare 2.6.36.2 kernel from kernel.org. If
memory=maxmemory pv guest run's on migrating fine.
If on already running domU i have xm mem-max xxx 1024 (before that it
has 768) and do xm mem-set 1024 guest now have 1024 memory, but after
that it can't migrate to another host.

Step to try to start guest with memory=512 and maxmemory=1024 it boot
fine, xm mem-set work's fine, but.. it can't migrate. Sorry but nothing
on screen , how can i help to debug this problem?
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