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Re: [Xen-devel] HVM restart issue
- To: "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
- From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
- Date: Thu, 12 Mar 2009 08:10:50 -0700 (PDT)
- Cc:
- Delivery-date: Thu, 12 Mar 2009 08:11:23 -0700
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Thank you, Keir.
--- On Thu, 3/12/09, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] HVM restart issue
To: "bderzhavets@xxxxxxxxx" <bderzhavets@xxxxxxxxx>, "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Thursday, March 12, 2009, 11:03 AM
hg pull u
K.
On 12/03/2009 13:02, "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
wrote:
> I've just made a fresh clone of "xen unstable" with 19317
changesets.
> 19314 resolves the issue with hotplug scripts.
> Please advise, how to add the most recent ,went in, without
recreating
> folder xen-unstable.hg and complete new clone.
>
> Boris.
>
> --- On Thu, 3/12/09, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
>> From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
>> Subject: Re: [Xen-devel] HVM restart issue
>> To: "bderzhavets@xxxxxxxxx" <bderzhavets@xxxxxxxxx>,
"Yang, Xiaowei"
>> <xiaowei.yang@xxxxxxxxx>,
"xen-devel@xxxxxxxxxxxxxxxxxxx"
>> <xen-devel@xxxxxxxxxxxxxxxxxxx>
>> Date: Thursday, March 12, 2009, 7:18 AM
>>
>> That one is there already.
>>
>> -- Keir
>>
>> On 12/03/2009 10:56, "Boris
>> Derzhavets" <bderzhavets@xxxxxxxxx>
>> wrote:
>>
>>> How long it takes to push changes to
>>> http://xenbits.xensource.com/xen-unstable.hg
>>>
>>> Boris
>>>
>>> --- On Thu, 3/12/09, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
wrote:
>>>> From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
>>>> Subject: Re: [Xen-devel] HVM restart issue
>>>> To: "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>,
>> "xen-devel@xxxxxxxxxxxxxxxxxxx"
>>>> <xen-devel@xxxxxxxxxxxxxxxxxxx>
>>>> Date: Thursday, March 12, 2009, 4:31 AM
>>>>
>>>> On 12/03/2009 08:15, "Yang, Xiaowei"
>> <xiaowei.yang@xxxxxxxxx>
>>>> wrote:
>>>>
>>>>> Recently I found HVM restart (destroy + start) is very
slowly and
>> the
>>>>> reason is the change to xen-hotplug-cleanup (see below).
>>>>>
>>>>> When HVM is destroyed, backend vbd/vnif drivers will not
>> be
>>>>
notified
>>>>> until /local/domain/hvm_id is removed in xenstore. udev
event is
>> then
>>>>> generated and xen-hotplug-cleanup is called. So the first
>> xenstore-read
>>>>> will always fail and leave rest undone and xenstore
unclean.
>> Suggestion
>>>>> is to move it after backend/frontend removal.
>>>>
>>>> I think 19250 has been causing problems for lots of people. I
will
>> revert it
>>>> until a better version is proposed.
>>>>
>>>> -- Keir
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Xen-devel mailing list
>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>> http://lists.xensource.com/xen-devel
>>>
>>>
>>
>>
>>
>> _______________________________________________
>> Xen-devel mailing
>> list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
>
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