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Re: [Xen-devel] Network freezing for paravirt linux, 3.0.3
| To: | Andres Lagar Cavilla <andreslc@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Network freezing for paravirt linux, 3.0.3 |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Tue, 28 Nov 2006 15:25:29 +0000 |
| Delivery-date: | Tue, 28 Nov 2006 07:25:32 -0800 |
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| In-reply-to: | <456C50DB.4090809@xxxxxxxxxxxxxx> |
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| Thread-index: | AccTAW+BrgPi1H70EduUoQAX8io7RQ== |
| Thread-topic: | [Xen-devel] Network freezing for paravirt linux, 3.0.3 |
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On 28/11/06 15:08, "Andres Lagar Cavilla" <andreslc@xxxxxxxxxxxxxx> wrote: > It thus looks like the culprit is netfront, or possibly a > netback/netfront interaction (Q: is netback employed in the qemu-dm > emulation path, or packets are simply relayed from the tap to vifX.Y?). > I would love to provide more information, but I'm unsure where to get it. What version of netback are you running? The one from the 3.0.3 release is known to have a bug which would cause high-bandwidth transfers to stall. The offending function is netback.c:tx_add_credit(). You should be able to take the version from xen-unstable and copy it into whatever version of netback.c you are using. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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