Re: [Xen-devel] tg3 network stall in xen-3.4.x but not in xen-3.3.x

[Teck Choon Giam <giamteckchoon@xxxxxxxxx>]

Hi Keir,

On Sat, Jul 4, 2009 at 2:41 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx> wrote:
> On 04/07/2009 07:32, "Teck Choon Giam" <giamteckchoon@xxxxxxxxx> wrote:
>
>> Is there any netfront/netback changes between xen-3.3.x and xen-3.4.x
>> which cause such issue?  Anybody experience such network stall in your
>> tg3 in bridge network environment?
>
> You are running exactly the same kernels on both 3.3 and 3.4? Then there can
> be no netfront/back differences as you are running exactly the same drivers.

Yes, same kernel version for both since compiling both xen versions
using the same linux-2.6.18-xen.hg.

>
> Certain things are on by default in 3.4 which were not in 3.3. One such
> thing is MSI. You might try disabling CONFIG_PCI_MSI in your dom0 kernel
> config. It'll be listed as "Message Signaled Interrupts (MSI and MSI-X)" in
> the PCI section of the Linux config menus.

I checked on both configs and both are showing me:
# CONFIG_PCI_MSI is not set

I also done a diff for both .config and they are the same.

Thanks.

Kindest regards,
Giam Teck Choon

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