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

To: Teck Choon Giam <giamteckchoon@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] tg3 network stall in xen-3.4.x but not in xen-3.3.x
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Sat, 04 Jul 2009 08:09:17 +0100
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On 04/07/2009 07:59, "Teck Choon Giam" <giamteckchoon@xxxxxxxxx> wrote:

>> 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.

Power management is another difference between 3.3 and 3.4. You can disable
3.4 power management by adding Xen boot parameters: cpuidle=0 cpufreq=none

 -- Keir

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