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[Xen-devel] Status of new FLR handling / necessary co-assignment of PCI

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Status of new FLR handling / necessary co-assignment of PCI devices
From: Carsten Schiers <carsten@xxxxxxxxxx>
Date: 2009年1月23日 14:13:16 +0100
Delivery-date: 2009年1月23日 05:14:00 -0800
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Hi,
came across the following, known symptom: my board (see below) has four PCI 
slots,
equiped with a VGA card (left in Dom0), a DVB-C card (put in pv DomU #1), and 
two
DVB-S cards (put in pv Domain #2) with Debian Xen 3.2-1.
When using latest unstable build, the famous need to co-assign VGA adapter with 
all
other PCI devices appears. 
Question: is that considered a feature (and then, why did it work before) or a 
bug 
(with some patches arround in the list) that's still not fixed for pv?
Thanks,
Carsten.
data:/boot# lspci -tv
-[0000:00]-+-00.0 nVidia Corporation MCP65 Memory Controller
 +-01.0 nVidia Corporation MCP65 LPC Bridge
 +-01.1 nVidia Corporation MCP65 SMBus
 +-01.2 nVidia Corporation MCP65 Memory Controller
 +-02.0 nVidia Corporation MCP65 USB Controller
 +-02.1 nVidia Corporation MCP65 USB Controller
 +-06.0 nVidia Corporation MCP65 Ethernet
 +-08.0-[0000:01]--+-06.0 Matrox Graphics, Inc. MGA 2064W 
[Millennium]
 | +-07.0 Philips Semiconductors SAA7146
 | +-08.0 Techsan Electronics Co Ltd B2C2 FlexCopII 
DVB chip / Technisat SkyStar2 DVB card
 | \-09.0 Techsan Electronics Co Ltd B2C2 FlexCopII 
DVB chip / Technisat SkyStar2 DVB card
 +-09.0 nVidia Corporation MCP65 IDE
 +-0a.0 nVidia Corporation MCP65 AHCI Controller
 +-0c.0-[0000:02]----00.0 Realtek Semiconductor Co., Ltd. 
RTL8111/8168B PCI Express Gigabit Ethernet controller
 +-0e.0-[0000:03]----00.0 Realtek Semiconductor Co., Ltd. 
RTL8111/8168B PCI Express Gigabit Ethernet controller
 +-18.0 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
HyperTransport Technology Configuration
 +-18.1 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address 
Map
 +-18.2 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM 
Controller
 \-18.3 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Miscellaneous Control
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