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Re: [Xen-devel] Problem: WIndows domu switches power off


  • To: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
  • From: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxx>
  • Date: Mon, 8 Nov 2010 15:17:52 +0100
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 08 Nov 2010 06:18:51 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi Allen,

Am 05.11.2010 schrieb ""Kay, Allen M" <allen.m.kay@xxxxxxxxx>":

> Dietmar,

>

> This is a known issue with WLAN passthrough cause by ME (management engine) interaction. The latest xen-unstable has quirk to workaround issue.

Are you think of this quirk:

http://xenbits.xensource.com/staging/xen-unstable.hg?rev/b48d8f27fca2

> Can you give it a try and let me know if it fixes the problem for you?

I looked at the sources and found your me_wifi_quirk() stuff.

But if I understand the code right, the patch doesn't help.

# lspci -n -s 00:00.0

00:00.0 0600: 8086:0044 (rev 02)

So IS_ILK(id) should be true.

But my WLAN adapter is:

10:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)

# lspci -n -s 10:00.0

10:00.0 0280: 8086:422c (rev 35)

And the id 8086:422c is not in your switch statement and therewith

map_me_phantom_function() is not called.

By the way I don't see a pci device 0:22.7

> By the way, which brand of Core i5 laptop do you have. I would like to see if I have one locally.

It's a Fujitsu Lifebook S760

Following the intel spec I checked the device id of the D31:F0 device function:

00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)

# lspci -n -s 00:1f.0

00:1f.0 0601: 8086:3b07 (rev 05)

And this is the Intel® QM57 Chipset.

Thanks.

Dietmar.

For your information:

# lspci

00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)

00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)

00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)

00:16.2 IDE interface: Intel Corporation 5 Series/3400 Series Chipset PT IDER Controller (rev 06)

00:16.3 Serial controller: Intel Corporation 5 Series/3400 Series Chipset KT Controller (rev 06)

00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network Connection (rev 05)

00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)

00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)

00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 (rev 05)

00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)

00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)

00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)

00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)

00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 05)

00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)

00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)

10:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)

ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)

ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)

ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)

ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)

ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)

ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)

>

> Allen

>

> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Dietmar Hahn

> Sent: Tuesday, October 26, 2010 12:24 AM

> To: xen-devel@xxxxxxxxxxxxxxxxxxx

> Subject: [Xen-devel] Problem: WIndows domu switches power off

>

>

> Hi list,

>

> I have a special effect on a Laptop with:

>

> cpu: Intel(R) Core(TM) i5 CPU M 540 @ 2.53GHz with integrated graphics

>

> Chipsatz: Intel QM57

>

> with SLES11 SP1 (xen-4.0 with some patches from Novell)

>

> I passed through the sound and WLAN pci controller to the guest.

>

> I start a Windows 7 guest and while installing the driver for the WLAN

>

> controller within Windows the power of the notebook got switched off.

>

> I couldnt see any message on the serial console.

>

> I tried Windows on bare metall and all runs very well. Later on starting this

>

> Windows guest again the power got switched of after login into Windows - maybe

>

> the WLAN driver got started there.

>

> For a test I prepared a OpenSuSE 11.3 as HVM guest and were able to configure

>

> the WLAN device without any problems.

>

> And here I need some assistance to prevent the power off and to add some tracer

>

> in the hypervisor.

>

> By the way I have no problems with the sound device.

>

> If wanted I can add more informations.

>

> Thanks.

>

> Dietmar.

--

Company details: http://ts.fujitsu.com/imprint.html

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