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From: Niall Fleming <niall.fleming@webanywhere.co.uk>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	xen-devel@lists.xensource.com,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	keir.xen@gmail.com, Jan Beulich <JBeulich@suse.com>,
	pbonzini@redhat.com, lersek@redhat.com
Subject: Re: Time Change Issue Xen 4.1
Date: Thu, 01 Dec 2011 08:55:25 +0000	[thread overview]
Message-ID: <4ED740FD.4070603@webanywhere.co.uk> (raw)
In-Reply-To: <20111130222628.GE16651@andromeda.dapyr.net>


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Cheers, at least I know that someone is still looking at it!

If someone could give me a general timeframe, like it'll be a month, 
before we fix it, or
two weeks or whatever, I just need to give my line manager something so 
he gets off my
case about it!


*Niall Fleming BSc. (Hons)*
Systems Administrator
Webanywhere Limited

Phone: 0800 862 0131 Ext: 203
Web: http://www.webanywhere.co.uk

Aire Valley Business Centre, Lawkholme Lane, Keighley, BD21 3BB
Registered in England with company number 4881346

On 30/11/2011 22:26, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 30, 2011 at 05:06:56PM +0000, Niall Fleming wrote:
>> Another week, and no response?
> I am sooo tempted to make a time joke :-)
>> ping?
> We are just swamped.<sigh>  Wish I had a better response,
> like: Try this patch, but not yet.
>
>> Please?
>>
>> *Niall Fleming BSc. (Hons)*
>> Systems Administrator
>> Webanywhere Limited
>>
>> Phone: 0800 862 0131 Ext: 203
>> Web: http://www.webanywhere.co.uk
>>
>> Aire Valley Business Centre, Lawkholme Lane, Keighley, BD21 3BB
>> Registered in England with company number 4881346
>>
>> On 16/11/2011 14:26, Konrad Rzeszutek Wilk wrote:
>>> On Mon, Nov 14, 2011 at 11:31:51AM -0800, Jeremy Fitzhardinge wrote:
>>>> On 11/14/2011 10:00 AM, Konrad Rzeszutek Wilk wrote:
>>>>> Right. With those patches too (he used the xen-settime patch set which
>>>>> has it).
>>>>> The hypercall is done (and the do_settime gets called) and the results
>>>>> are saved
>>>>> in the RTC. And the wc_sec and wc_nsec are updated and propagated.
>>>>>
>>>>> The problem is that wc_sec and wc_nsec are only propagated to the
>>>>> existing guests.
>>>>>
>>>>> If you launch a new guest after the 'hwclock', the new guests
>>>>> retains the old wallclock time.
>>>> Existing (pvops) guests shouldn't see updated wallclock time, because
>>>> they never look at the hypervisor's wallclock after boot time.
>>>>
>>>> It's surprising that new guests don't see the updated wallclock though.
>>>> That sounds like a Xen issue.
>>> <nods>   That is what I think is happening here.
>>>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@lists.xensource.com
>>> http://lists.xensource.com/xen-devel
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel

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  reply	other threads:[~2011-12-01  8:55 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-11 17:25 Time Change Issue Xen 4.1 Niall Fleming
2011-11-11 18:39 ` Konrad Rzeszutek Wilk
2011-11-14  9:48   ` Jan Beulich
2011-11-14 18:00     ` Konrad Rzeszutek Wilk
2011-11-14 19:31       ` Jeremy Fitzhardinge
2011-11-16 14:26         ` Konrad Rzeszutek Wilk
2011-11-17 12:47           ` Niall Fleming
2011-11-22 10:23           ` Niall Fleming
2011-11-30 17:06           ` Niall Fleming
2011-11-30 22:26             ` Konrad Rzeszutek Wilk
2011-12-01  8:55               ` Niall Fleming [this message]
2011-12-01  9:53                 ` Ian Campbell
2011-12-01 10:28                   ` Laszlo Ersek
2011-12-01 18:16                     ` Niall Fleming
2011-11-14 10:15   ` Laszlo Ersek

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