Re: [Xen-devel] Re: new netfront and occasional receive path loc

To:	"Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>
Subject:	Re: [Xen-devel] Re: new netfront and occasional receive path lockup
From:	Gerald Turner <gturner@xxxxxxxxxx>
Date:	Sun, 12 Sep 2010 21:38:29 -0700
Cc:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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In-reply-to:	<D5AB6E638E5A3E4B8F4406B113A5A19A2A658D1C@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> (Dongxiao Xu's message of "Mon, 13 Sep 2010 10:34:52 +0800")
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"Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx> writes:

> Thanks for your detail information.
>
> Unfortunately I don't have such platform that could launch more than
> 10 guests in hand.
>
> Here is another patch (see attached file) that fix another potential
> race.
>
> Do you have bandwidth to have a try? Thanks in advance!
>

I built a kernel with your additional patch.

I have it running on all 13 domU's with use_smartpoll=1.

I'll report tomorrow morning whether there were any lockups.

FYI, total today I had 6 lockups with use_smartpoll=1 and the previous
patch.

-- 
Gerald Turner  Email: gturner@xxxxxxxxxx  JID: gturner@xxxxxxxxxxxxxxxxx
GPG: 0xFA8CD6D5  21D9 B2E8 7FE7 F19E 5F7D  4D0C 3FA0 810F FA8C D6D5

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Re: [Xen-devel] Re: new netfront and occasional receive path lockup