Dexuan,
I am attaching the logs
& HVM configuration file with this email.
The log files are named
accordingly.
Xend.log doesn’t
contain anything after creating a HVM guest (before creating a HVM guest I
cleared the log messages).
BTW, I am trying to
direct assign a SAS controller and not a NIC.
Thx,
Venkat
================================
Venkata
Kumar Duvvuru,
LSI
Engenio,
Adv.
Development,
Bangalore.
Mob:
+91-9880318542
Off
: +91-80-41978700 ( Extn : 3544 )
================================
From:
Cui, Dexuan
[mailto:dexuan.cui@xxxxxxxxx]
Sent: Thursday, August 07, 2008 6:32
AM
To: Kumar, Venkat; Han,
Weidong
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Bryan York
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'SABUGOR...)
Hi Venkat,
Can you attach the HVM config
file? After you create the HVM guest and make it run (but the assigned NIC
doesn't appear in guest's "lspci"), can you attach /var/log/xen/xend.log,
/var/log/xen/qemu-dm-YourDomainName.log?
And can you attach all the log
of serial cable -- from when Xen starts to boot, to after the
HVM guest (with "pci=['xx:xx.x']" specified in hvm config file) is
created? Please add "loglvl=all guest_logvel=all" in the Xen grub entry,
like "kernel /boot/xen.gz dom0_mem=256m console=com1 loglvl=all
guest_loglvl=all" to get verbose messages.
Thanks,
--
Dexuan
From: Kumar,
Venkat [mailto:Venkat.Kumar@xxxxxxx]
Sent: 2008年8月6日 19:14
To: Han, Weidong; Cui, Dexuan
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; Bryan York
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'SABUGOR...)
Thanks Randy,
Dexuan.
Eventually I could boot
Xen with VT-d enabled after disabling the PEG and enabling
IGD.
I could also create HVM
guests.
But while direct
assigning a pci device (I am editing the configuration file to add
pci=[‘PCIID’]) the HVM guest won’t show any error message and the HVM guest
comes up successfully.
But lspci in the HVM
guest is not showing up the device which has been direct assigned to
him.
Before direct assigning
I had bound the device to the pciback driver.
The dmesg in Domain0
shows me that pciback has seized that particular
device.
The device is a LSI
Mega Raid SAS controller.
Thx,
Venkat
================================
Venkata
Kumar Duvvuru,
LSI
Engenio,
Adv.
Development,
Bangalore.
Mob:
+91-9880318542
Off
: +91-80-41978700 ( Extn : 3544 )
================================
From: Han,
Weidong [mailto:weidong.han@xxxxxxxxx]
Sent: Wednesday, August 06, 2008 2:46
PM
To: Han, Weidong; Kumar,
Venkat; Cui, Dexuan; Bryan York
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'SABUGOR...)
Missed a word in the former
mail. This is a BIOS "issue".
Randy
(Weidong)
From:
xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Han, Weidong
Sent: 2008年8月6日 16:59
To: Kumar, Venkat; Cui, Dexuan; Bryan
York
Cc:
xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'SABUGOR...)
Venkat,
I think you are using PEG (which means IGD
is disabled), right? This is a BIOS. I suggest you use IGD at this
moment.
Randy
(Weidong)
From: Kumar,
Venkat [mailto:Venkat.Kumar@xxxxxxx]
Sent: 2008年8月6日 16:22
To: Cui,
Dexuan; Bryan York;
Han, Weidong
Cc:
xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'S ABUGOR...)
As Dexuan suggested I
used xen3.2.2-rc2.
With this version of
xen with vtd=1 boot parameter I could boot successfully (I was not able to boot
with vtd=1 in xen-3.2.1).
But I see the following
in the boot messages when I do a xm dmesg after a
boot.
===================================================
(XEN) Xen heap: 14MB
(14956kB)
(XEN) Domain heap
initialised: DMA width 32 bits
(XEN) Processor #0 6:15
APIC version 20
(XEN) Processor #1 6:15
APIC version 20
(XEN) IOAPIC[0]:
apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN)
Enabling APIC mode: Flat. Using 1 I/O
APICs
(XEN)
[VT-D]dmar.c:441: RMRR is incorrect.
(XEN)
Failed to parse ACPI DMAR. Disabling
VT-d.
(XEN)
[VT-D]ACPI DMAR:No DMAR devices found
===================================================
If you observe the
messages highlighted in RED.
VT-d is getting
disabled due to some RMRR incorrect problem and in the dmar.c code this is the
condition which is causing this.
if ( rmrr->base_address >= rmrr->end_address
)
{
dprintk(XENLOG_ERR VTDPREFIX, "RMRR is
incorrect.\n");
return -EFAULT;
}
This code is in
acpi_parse_one_rmrr
function.
Thx,
Venkat
================================
Venkata
Kumar Duvvuru,
LSI
Engenio,
Adv.
Development,
Bangalore.
Mob:
+91-9880318542
Off
: +91-80-41978700 ( Extn : 3544 )
================================
From:
xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Cui,
Dexuan
Sent:
Wednesday, August 06, 2008 10:58 AM
To: Bryan
York; Han, Weidong
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'S A BUGOR...)
Hi
Bryan,
According to our tests using the
latest xen-unstable, the assignment of SATA controller (like in AHCI mode
or Enhanced mode) should be OK on the DQ35
platform.
For xen-unstable, I guess you didn't
specify "iommu=1" in the Xen grub entry? By default, VT-d is not enabled in the
latest xen-unstable.
From:
Bryan York
[mailto:bryan.york@xxxxxxxxx]
Sent: 2008年8月6日 12:10
To: Han, Weidong
Cc: Cui,
Dexuan; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'S A BUGOR...)
Hello,
Thanks for the information. I'm trying to
forward a PCI express SATA/PATA controller with a JMicron chipset. (Info
here.) I know there have been problems with graphics cards in general, but I
thought it was possible with disk controllers? Is there a list of well supported
hardware (disk controllers) that can be used for VT-d?
Also, your RMRR
explanation makes sense for the mercurial 3.2-testing, but what about
xen-unstable? I didn't see any errors there besides "I/O Virtualisation
disabled" with no other reason listed.
Thanks so much for your
help on this. I will also try
removing the disk controller and see if the mercurial Xen-3.2-testing boots
without RMRR errors.
Regards,
-Bryan
On
Tue, Aug 5, 2008 at 6:27 PM, Han, Weidong <weidong.han@xxxxxxxxx>
wrote:
Hi Bryan,
I think you are using an add-on graphic
card (iGfx disabled), right? We also met this issue before. Obviously it's a
BIOS issue (RMRR is incorrect). When parsing apci dmar
failed, VT-d will be disabled.
Randy
(Weidong)
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Bryan York
Sent: 2008年8月6日 6:17
To: Cui,
Dexuan
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-devel] Xen-3.2.1 VT-d
Support (NOT SURE WHETHER IT'S A
BUGOR...)
Hello,
I'm also seeing this
exact same problem. I've posted on xen-users, but did not get an answer. Venkat
seems to be experiencing the same problem as me. I have the latest BIOS for my
motherboard DQ35JO. (BIOS ver 933) I'm running a Q6600 as well. It hangs at
"Brought up 4 CPUs." I've tried all sorts of combinations of Xen versions and
kernels to get this working. And, yes, VT and VT-d are enabled in my
BIOS.
1) CentOS 5.2 SRPMS
compiled with Xen 3.2.1. Adding
pci=nommconf does not get it to boot.
2) Mercurial
Xen-3.2-testing. Here, after adding pci=nommconf, I
get:
(XEN)
[VT-D]dmar.c:441: RMRR is incorrect.
(XEN) Failed to parse ACPI DMAR.
Disabling VT-d.
(XEN) [VT-D]ACPI DMAR:No DMAR devices
found
3) Mercurial
Xen-unstable, I get "I/O Virtualisation disabled" I can't find any reason why
this is the case. VT-D is not enabled.
I would really like to
find the cause for this. I don't know if this is a BIOS bug or what. This board
is supposedly supported on Xen per the VT-D wiki. Other people seem to have the
same problem as me:
http://forums12.itrc.hp.com/service/forums/bizsupport/questionanswer.do?admit=109447627+1217898320366+28353475&threadId=1234588
Thanks for any and all
help,
-Bryan
The BIOS version I use
may be not the exact one as yours. I mean I expect you're
not using a very
old BIOS. :-)
How about trying the
xen 3.2.2-rc2 and the latest xen-unstable first? There are some VT-d bug fixes between 3.2.1 (you're using
it) and 3.2.2-rc2.
Thanks,
-- Dexuan
________________________________
From: Kumar, Venkat
[mailto:Venkat.Kumar@xxxxxxx] Sent: 2008年8月5日 14:37
To: Cui, Dexuan; xen-devel@xxxxxxxxxxxxxxxxxxx Subject: RE: [Xen-devel]
Xen-3.2.1 VT-d Support (NOT SURE
WHETHER IT'S A BUG
OR...)
If you don't mind can
you send me the BIOS version you are using?
Thx,
Venkat
================================
Venkata Kumar Duvvuru,
LSI Engenio,
Adv. Development,
Bangalore.
Mob: +91-9880318542
Off : +91-80-41978700
( Extn : 3544 )
================================
________________________________
From: Cui, Dexuan [mailto:dexuan.cui@xxxxxxxxx] Sent:
Tuesday, August 05, 2008 12:03 PM To: Kumar, Venkat; xen-devel@xxxxxxxxxxxxxxxxxxx Subject: RE: [Xen-devel]
Xen-3.2.1 VT-d Support (NOT SURE
WHETHER IT'S A BUG
OR...)
Hi Venkat,
Can you confirm you're
using the latest BIOS? Can you try the xen 3.2.2-rc2 and
the latest
xen-unstable on the same host?
I have the similar
host. Xen 3.2.2-rc2 and the latest xen-unstable both work
well on it.
Thanks,
-- Dexuan
________________________________
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kumar,
Venkat Sent: 2008年8月5日 12:21 To: xen-devel@xxxxxxxxxxxxxxxxxxx Subject: [Xen-devel] Xen-3.2.1
VT-d Support (NOT SURE WHETHER
IT'S A BUG OR...)
After building
Xen-3.2.1 I could successfully boot into it if I avoid giving
vtd=1 as the
boot parameter.
If I pass vtd=1 as the
boot parameter to xen, the system hangs while booting.
The system hangs after
the following messages
============================
Boot messages
[XEN]…..
[Xen] Brought up 2
CPUs...
=========================
My chipset DQ35 series
is having VT-d support and is
enabled in the BIOS as
well.
My domain0 is
CentOS-5.2(2.6.18.8-xen).
Is this a possible bug
or some thing else??
Any Idea??
Thx,
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