[Xen-bugs] [Bug 1644] xen does not boot when iommu is on after upgrading to xen 4.0.1-rc5 from rc3

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1644





------- Comment #5 from darkbasic4@xxxxxxxxx  2010-12-11 13:23 -------
I don't think it's a kernel related problem, because the upgrade which broke it
was the hypervisor: from 4.0.1-rc3 to rc5. With rc3 I remember I had a similar
problem with iommu=1, a problem which I solved using iommu=passtrough.

>What motherboard?
Mobo is an Asrock X58 Extreme.

>Does baremetal Linux kernel boot with VT-d enabled?
Yes.

>Have you tried to boot without x2apic? ("x2apic=off" on Xen
hypervisor line)?
No, I will try as soon as possible.

>What is the lspci output?

root@xen-dom0:~# lspci
00:00.0 Host bridge: Intel Corporation 5520/5500/X58 I/O Hub to ESI Port (rev
13)
00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root
Port 1 (rev 13)
00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root
Port 3 (rev 13)
00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root
Port 7 (rev 13)
00:14.0 PIC: Intel Corporation 5520/5500/X58 I/O Hub System Management
Registers (rev 13)
00:14.1 PIC: Intel Corporation 5520/5500/X58 I/O Hub GPIO and Scratch Pad
Registers (rev 13)
00:14.2 PIC: Intel Corporation 5520/5500/X58 I/O Hub Control Status and RAS
Registers (rev 13)
00:14.3 PIC: Intel Corporation 5520/5500/X58 I/O Hub Throttle Registers (rev
13)
00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #4
00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #5
00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #6
00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
Controller #2
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio
Controller
00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root
Port 1
00:1c.1 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Port 2
00:1c.3 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root
Port 4
00:1c.5 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root
Port 6
00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #1
00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #2
00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #3
00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
Controller #1
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface
Controller
00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE
Controller #1
00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE
Controller #2
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 03)
02:00.0 PCI bridge: PLX Technology, Inc. PEX8112 x1 Lane PCI Express-to-PCI
Bridge (rev aa)
03:04.0 Network controller: Sangoma Technologies Corp. A200/Remora FXO/FXS
Analog AFT card                                                                 
04:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6315 Series Firewire
Controller                                                                      
04:00.1 IDE interface: VIA Technologies, Inc. PATA IDE Host Controller (rev a0) 
05:00.0 SATA controller: JMicron Technology Corp. JMB360 AHCI Controller (rev
02)                                                                             
06:00.0 Network controller: Sangoma Technologies Corp. A200/Remora FXO/FXS
Analog AFT card                                                                 
06:01.0 ATM network controller: Xilinx Corporation Device 0300                  
07:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev
04)
08:00.0 PCI bridge: Broadcom EPB PCI-Express to PCI-X Bridge (rev b5)
09:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5714 Gigabit
Ethernet (rev a3)
09:04.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5714 Gigabit
Ethernet (rev a3)
09:08.0 PCI bridge: Broadcom BCM5785 [HT1000] PCI/PCI-X Bridge (rev b4)
0a:06.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit
Ethernet (rev 10)
0a:06.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5704 Gigabit
Ethernet (rev 10)
0b:00.0 VGA compatible controller: nVidia Corporation NV44 [GeForce 6200
TurboCache(TM)] (rev a1)


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