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

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Message-ID: <20101229164910.GD2743@router-fw-old.local.net-space.pl>
Date:	Wed, 29 Dec 2010 17:49:10 +0100
From:	Daniel Kiper <dkiper@...-space.pl>
To:	Vasiliy G Tolstov <v.tolstov@...fip.ru>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, jeremy@...p.org,
	xen-devel@...ts.xensource.com, haicheng.li@...ux.intel.com,
	dan.magenheimer@...cle.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, andi.kleen@...el.com,
	akpm@...ux-foundation.org, fengguang.wu@...el.com,
	Daniel Kiper <dkiper@...-space.pl>
Subject: Re: [Xen-devel] Re: [PATCH 2/3] drivers/xen/balloon.c: Various balloon features and fixes

Hi,

On Tue, Dec 28, 2010 at 12:52:03AM +0300, Vasiliy G Tolstov wrote:
> On Mon, 27 Dec 2010 11:39:18 -0500, Konrad Rzeszutek Wilk
> <konrad.wilk@...cle.com> wrote:
> > On Mon, Dec 27, 2010 at 07:27:56PM +0300, Vasiliy G Tolstov wrote:
> >> 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.

Do you still need memory hotplug patch for jeremy stable-2.6.32.x ???

> >> 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?

I will try to investigate that problem. Could you send me as much
info as possible about that issue (Xen version, kernel version,
config files, log files, etc.) ???

Daniel
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