Re: [Xen-devel] Vt-d not working with 3.4.1

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Aug 19, 2009 at 03:16:35PM +0200, Marc - A. Dahlhaus wrote:
> Pasi Kärkkäinen schrieb:
> >On Wed, Aug 19, 2009 at 02:45:54PM +0200, Marc - A. Dahlhaus wrote:
> >  
> >>Mr. Teo En Ming (Zhang Enming) schrieb:
> >>    
> >>>Dear Pasi,
> >>>
> >>>I suspect that there may be some problems with the Xen 3.4.1 changeset 
> >>>of 6 August 2009.
> >>>
> >>>The bzImage kernel image that I compiled is not a bzip2 file, hence I 
> >>>cannot bzcat it. If I tried to do so, it will complain that it is not 
> >>>a bzip2 file.
> >>>
> >>>I did specify the following in my kernel configuration:
> >>>
> >>>CONFIG_HAVE_KERNEL_BZIP2=y
> >>>CONFIG_KERNEL_BZIP2=y
> >>>CONFIG_RD_BZIP2=y
> >>>CONFIG_DECOMPRESS_BZIP2=y
> >>>
> >>>When I do a "xm dmesg" command, I see the following output:
> >>>
> >>>(XEN) Intel VT-d DMAR tables have been parsed.
> >>>(XEN) Intel VT-d Snoop Control not supported.
> >>>(XEN) Intel VT-d DMA Passthrough not supported.
> >>>(XEN) Intel VT-d Queued Invalidation not supported.
> >>>(XEN) Intel VT-d Interrupt Remapping not supported.
> >>>(XEN) I/O virtualisation enabled
> >>>(XEN) I/O virtualisation for PV guests disabled
> >>>
> >>>So can I confirm that I have VT-d support enabled?
> >>>
> >>>I have checked. Both bzImage and vmlinux.bin inside arch/x86/boot are 
> >>>NOT ELF images.
> >>>
> >>>Only vmlinux and vmlinux.bin inside arch/x86/boot/compressed are ELF64 
> >>>images.
> >>>
> >>>However, vmlinux inside compressed cannot boot successfully.
> >>>
> >>>Only vmlinux.bin inside compressed can boot successfully, and this is 
> >>>what I am using now.
> >>>
> >>>Regarding X server (GUI) unable to start, I have a backtrace inside 
> >>>/var/log/Xorg.0.log.
> >>>
> >>>It complains about Fatal Server error:
> >>>Caught signal 11. Server aborting.
> >>>
> >>>      
> >>The bzImage has nothing to do with bzip2 compression and the current 
> >>dom0 loader can only decode that CONFIG_KERNEL_GZIP based image.
> >>Please change your config to use CONFIG_KERNEL_GZIP instead of 
> >>CONFIG_KERNEL_BZIP2.
> >>
> >>    
> >
> >Actually there is a patch to support bzip2 and LZMA compression:
> >http://lists.xensource.com/archives/html/xen-devel/2009-08/msg00351.html
> This is for the domU builder in userspace... Dom0 builder is located in 
> xen/arch/x86/ ...
> 

That's true. Thanks for correcting me. 

-- Pasi

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel