Hi,
My hardware configuration is as follows:
Intel Desktop Board DQ45CB
BIOS Flashed from version 0063 to 0093
Intel Pentium Dual Core E6300
PCI Express x16 Graphics card NVIDIA chipset
8 GB DDR2-800
My software configuration is as follows:
Fedora 11 64-bit host operating system
Jeremy's pv-ops dom0 kernel 2.6.30 rc3 and 2.6.31 rc6
Xen 3.4.1 testing
When I tried to download and compile Jeremy's pv-ops dom0 kernel, bzImage
kernel image is compiled successfully for both 2.6.30 rc3 and 2.6.31 rc6.
However, when I tried to boot using bzImage kernel image, it complains of a
kernel panic on CPU0.
(XEN) *** LOADING DOMAIN 0 ***
(XEN) elf_init: not an ELF binary
I googled around and saw a posting saying to use vmlinux kernel image and
not the bzImage kernel image.
So I tried to use vmlinux in arch/x86/boot/compressed to boot but it did not
work.
Not disheartened, I proceeded to try vmlinux.bin as my kernel image.
Now I can successfully boot up the Xen Dom 0 pv-ops kernel, I can see Domain
0 using "xm list" and I can see the Ethernet bridge created and I can also
surf the internet using a text based browser.
However, I cannot start X server. It crashed. The system complains about
some libraries.
Any idea what goes wrong?
Regards,
 
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
BEng(Hons)(Mechanical Engineering) 
Technical Support Engineer 
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza 
Singapore 529541
Republic of Singapore
Mobile: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Han, Weidong
Sent: Wednesday, August 19, 2009 3:24 PM
To: 'Bonenkamp, Ralf'; 'xen-devel@xxxxxxxxxxxxxxxxxxx'
Cc: 'enming.teo@xxxxxxxxxxxxxxx'
Subject: RE: [Xen-devel] Vt-d not working with 3.4.1
'vtd=1' is old parameter to enable VT-d. It's replaced by 'iommu' parameter
for a long time. The 'iommu=' parameter values are as follows:
 * off|no|false|disable Disable IOMMU (default)
 * pv Enable IOMMU for PV domains
 * no-pv Disable IOMMU for PV domains (default)
 * force|required Don't boot unless IOMMU is enabled
 * passthrough Enable VT-d DMA passthrough (no DMA
translation for Dom0)
 * no-snoop Disable VT-d Snoop Control
 * no-qinval Disable VT-d Queued Invalidation
 * no-intremap Disable VT-d Interrupt Remapping
Usually, you just need 'iommu=1' to enable IOMMU. When IOMMU is enabled,
most of VT-d features (snoop control, queued invalidation and interrupt
remapping) are enabled by default if they are available. 
When RMRR address range is not in reserved memory (BIOS issue), can use
'iommu_inclusive_mapping=1' to work around it.
Regards,
Weidong
Bonenkamp, Ralf wrote:
> Dear Teo,
>
> I tried all combinations
> - kernel /xen.gz iommu=1
> - kernel /xen.gz iommu_inclusive_mapping=1
> - kernel /xen.gz iommu=1 iommu_inclusive_mapping=1
>
> And got the same result at xm dmesg on my mobo ;-)
>
> I noticed that there is another switch mentioned named 'vtd=1' in
> some postings. The wiki at http://wiki.xensource.com/xenwiki/VTdHowTo 
> does not mention any of those switches. Hopefully I can spare time in
> the next days to sort this switches out and prepare some sort of
> beginners guide to this topic... 
>
> Regards,
> Ralf
>
>
> -----Original Message-----
> From: Teo En Ming (Zhang Enming) [mailto:enming.teo@xxxxxxxxxxxxxxx]
> Sent: Mittwoch, 19. August 2009 04:44
> To: pasik@xxxxxx; Bonenkamp, Ralf
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-devel] Vt-d not working with 3.4.1
>
> Hi,
>
> Is it not sufficient to parse iommu=1 only?
>
> kernel /xen.gz iommu=1
>
> We should also add iommu_inclusive_mapping=1?
>
> So it becomes
>
> kernel /xen.gz iommu=1 iommu_inclusive_mapping=1
>
> Regards,
>
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering)
> Technical Support Engineer
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Pasi
> Kärkkäinen 
> Sent: Monday, August 17, 2009 10:32 PM
> To: Bonenkamp, Ralf
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Vt-d not working with 3.4.1
>
> On Sat, Aug 08, 2009 at 11:53:23PM +0200, Bonenkamp, Ralf wrote:
>> Hi folks,
>> 
>> currently I try to setup a new xen host v3.4.1 on top of a Asus
>> P5E-VM DO (latest BIOS, Vt-d capable and enabled in BIOS) to migrate
>> my extisting HVMs (Win2k3 server) running on Xen v3.3.0 to a new
>> home. I want to switch over to 3.4.1 to (hopefully!) passthrough my
>> ISDN board to a HVM domU. Unfortunate there seem some issue with the
>> VT-d DMAR tables which is beyond my knowledge and probably someone
>> has some hint how to proceed? :-) 
>> 
>
> Well did you try iommu_inclusive_mapping=1, like it suggests ?
>
>> (XEN) [VT-D]dmar.c:401: RMRR address range not in reserved memory
>> base = 7d600000 end = 7dffffff; iommu_inclusive_mapping=1 parameter
>> may be needed. (XEN) Intel VT-d DMAR tables have been parsed.
>
> -- Pasi
>
> _______________________________________________
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