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Re: [Xen-devel] tap:aio problem on Xen 3.4.3-rc7-pre

To: Fantu <fantonifabio@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] tap:aio problem on Xen 3.4.3-rc7-pre
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 13 May 2010 18:23:06 +0100
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I'd try configuring blktap into the kernel (CONFIG_XEN_BLKDEV_TAP=y), rather
than as a module.

 -- Keir

On 13/05/2010 17:22, "Fantu" <fantonifabio@xxxxxxxxxx> wrote:

> 
> Can you give me config for build dom0 kernel correct working with all please?
> 
> Keir Fraser-3 wrote:
>> 
>> In a previous message you said your logs contained "BLKTAPCTRL[2795]:
>> blktapctrl_linux.c:92: couldn't find device number for 'blktap0'". This
>> indicates the tools looked for blktap0 information in
>> /sys/class/xen/blktap0/dev and /sys/class/misc/blktap0/dev and found it in
>> neither place. Which would indicate something is missing or wrong with the
>> dom0 kernel setup. Xen and tools should not need rebuilding to fix this.
>> 
>>  -- Keir
>> 
>> On 12/05/2010 14:23, "Fantu" <fantonifabio@xxxxxxxxxx> wrote:
>> 
>>> 
>>> thanks for aswer, module blktap is active, what i do for build/install
>>> from
>>> tags? now i do only hg clone, and for update xen installed i must do make
>>> uninstall and after make install...?
>>> for this install i have do only:
>>> make xen
>>> make tools
>>> make stubdom
>>> make install-xen
>>> make install-tools
>>> make install-stubdom
>>> is ok?
>>> and if i make uninstall delete also any kernel from package with "xen" in
>>> name but not pv_ops installed with xen (without "xen" in name)
>>> 
>>> this is the config of debian kernel used, there are config how do
>>> problem?
>>> http://old.nabble.com/file/p28535906/config-2.6.32-5-xen-amd64
>>> config-2.6.32-5-xen-amd64
>>> 
>>> 
>>> Keir Fraser-3 wrote:
>>>> 
>>>> More likely a misconfigured dom0 kernel. It would be easy to check
>>>> whether
>>>> it works with xen-3.4.3-rc6, or tip of 3.4-testing with the QEMU_TAG
>>>> added
>>>> back in...
>>>> 
>>>>  -- Keir
>>>> 
>>>> On 12/05/2010 13:23, "Mike Viau" <viaum@xxxxxxxxxxxxxxx> wrote:
>>>> 
>>>>> Could it have something to do with QEMU...
>>>>> 
>>>>> Because I noticed:
>>>>> 
>>>>> -QEMU_TAG := xen-3.4.3-rc6
>>>>> -
>>>>> 
>>>>> 
>>>>> Without a new QEMU_TAG being added.
>>>>> 
>>>>> 
>>>>> 
http://xenbits.xensource.com/xen-3.4-testing.hg?diff/269e0c52dc3f/Config.m>>>>>
k
>>>>>        
>>>>> 
>>>>> 30 days of prizes to be won with Hotmail.  Enter here
>>>>> <http://go.microsoft.com/?linkid=9729703>
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Xen-devel mailing list
>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>> http://lists.xensource.com/xen-devel
>>>> 
>>>> 
>> 
>> 
>> 
>> _______________________________________________
>> Xen-devel mailing list
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>> http://lists.xensource.com/xen-devel
>> 
>> 



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