Re: [Xen-devel] Can we disable secondary_bus_reset in runtime?

To:	"Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
Subject:	Re: [Xen-devel] Can we disable secondary_bus_reset in runtime?
From:	"Neo Jia" <neojia@xxxxxxxxx>
Date:	Wed, 3 Sep 2008 00:01:53 -0700
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Wed, 03 Sep 2008 00:02:15 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=KZ5nUa5UbCyZ8G2T8SD/tYR8xvW2wJrPrxWDaY1PP7g=; b=O8x4ZOdEDVUU3iscZ/ZiBpURNwHgpMM/CQ7Ra7i0OGKlvOyjoWoV122m0qzL0/dMWE 7qU+sAdXcmBM0wValnAyQNOw7QcPhk/7ibbobnEyFJGb1yX/+yANbAF/4ICJrtNroovy hFKiF6bkN9BaukLUf68beMut70T9/mbPtXIL4=
Domainkey-signature:	a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=BrmntlTLX9l2erxkYvEiAzpW2gdDcGWdf65cG3IQk7ZXx6YeO8n4ESMmEVGavTeKCM d4FGKJVdD7PJ8o6MoWDLoUM8GQvZLVkT4S59SS7FVSXdZoSmzVdyEk3TM/cwyclV+pqA oND4eUxrtPparagBc7E1PJsMpf1yq7OGapuYw=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<FE7BBCFBB500984A9A7922EBC95F516E01A2AC91@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<5d649bdb0809021640i624dd59cn878c2a3f836a62e8@xxxxxxxxxxxxxx> <FE7BBCFBB500984A9A7922EBC95F516E01A2A952@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <5d649bdb0809022010j6c857351rfaa5a25f818dae7c@xxxxxxxxxxxxxx> <FE7BBCFBB500984A9A7922EBC95F516E01A2ABAE@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <5d649bdb0809022127y219f3fe9t84553cfc373e1e24@xxxxxxxxxxxxxx> <FE7BBCFBB500984A9A7922EBC95F516E01A2AC91@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

Dexuan,

I don't think this experiment can verify that if the SecondaryBusReset
works or not, as it (the device driver of this NIC) can work on the VM
reboot case without reset the HW.

Thanks,
Neo

2008/9/2 Cui, Dexuan <dexuan.cui@xxxxxxxxx>:
> Yes. Just now I added a "return"  at the beginning of the "def 
> do_secondary_bus_reset(...)" then "xend restart". The assigned NIC still 
> works well inside the 32e HVM guest.
> I tried the Xen c/s 18409 and 18414.
> Please note: the SecondBusReset does work here on my host.
>
> -- Dexuan
>
>
> -----Original Message-----
> From: Neo Jia [mailto:neojia@xxxxxxxxx]
> Sent: 2008年9月3日 12:27
> To: Cui, Dexuan
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Can we disable secondary_bus_reset in runtime?
>
> Dexuan,
>
> If you don't do a SecondaryBusReset, will the NIC card driver be
> loaded after you reboot the guest VM?
>
> Just want to make sure if the reset works.
>
> I will also check on my side about the failure case.
>
> Thanks,
> Neo
>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

Re: [Xen-devel] Can we disable secondary_bus_reset in runtime?