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RE: [Xen-users] Xen Installation without virtualization enabled in Bios

To: "'s@l'" <sal.bayat@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Xen Installation without virtualization enabled in Bios
From: "Dustin Henning" <Dustin.Henning@xxxxxxxxxxx>
Date: Mon, 21 Jul 2008 16:40:50 -0400
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        The virtualization option in the BIOS is for HVM (Full
Virtualization).  Seeing as how you had guests before this option was
enabled, you are clearly using PV.  As such, the option would have no effect
that I know of.  That said, your problem probably lies in Xen configuration.
Is this your first Xen box?  Hopefully someone skilled at troubleshooting
network connectivity issues in Xen can assist you with this.

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of s@l
Sent: Monday, July 21, 2008 16:35
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Xen Installation without virtualization enabled in Bios

Hi there,

Having a problem with Xen using RHEL 5.  Using a dell poweredge 1950 with
BCM5708 integrated NIC's. 

07:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708
Gigabit Ethernet (rev 12)
        Subsystem: Dell Unknown device 01b3
        Control: I/O- Mem+ BusMaster+ SpecCycle+ MemWINV+ VGASnoop- ParErr+
Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64 (16000ns min), Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f4000000 (64-bit, non-prefetchable) [size=32M]
        Capabilities: [40] PCI-X non-bridge device
                Command: DPERE- ERO- RBC=512 OST=8
                Status: Dev=07:00.0 64bit+ 133MHz+ SCD- USC- DC=simple
DMMRBC=512 DMOST=8 DMCRS=32 RSCEM- 266MHz- 533MHz-
        Capabilities: [48] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-
        Capabilities: [50] Vital Product Data
        Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/0
                Address: 214082b132d03000  Data: 0b40

Basically, I have this strange issue where everything is good, I can create
my virtual guests, but there is some issue with network connectivity.  I can
get to the outside world no problem from the virtual host, but on the
guests, I can only ping the local machine, I cant ping or access anything on
the outside world. 

At first I was taking a look at drivers and other network related problems,
when I noticed that the virtualization option in the bios cpu settings was
NOT enabled.  I enabled it, but im still having the same problem.

My question is: Would installing RHEL 5 and Xen while this option was NOT
enabled in the bios cause problems and perhaps cause this networking
connectivity issue im experiencing? Do I need to reinstall xen? 


version: xen-3.0.3-64.el5_2.1
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