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Re: [Xen-devel] domU guest for xcp 0.1.1

To: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] domU guest for xcp 0.1.1
From: Ritu kaur <ritu.kaur.us@xxxxxxxxx>
Date: Sun, 14 Mar 2010 13:29:29 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Hi Sander,

Thanks, I enabled DOM0 and other backend drivers along with pci frontend in .config file. I am able to get it build. However, I having additional questions, inputs appreciated.

1. can this kernel be used in any linux distribution? I have Debian Lenny as DomU?

2. In Debian Lenny /boot/grub/menu.lst, I have
title           Debian GNU/Linux, kernel 2.6.26-2-686-bigmem
root            (hd0,0)
kernel          /boot/vmlinuz-2.6.26-2-686-bigmem root=/dev/xvda1 ro console=hvc0 quiet
initrd          /boot/initrd.img-2.6.26-2-686-bigmem

but the kernel image built in arch/i386/boot is bzImage. Does "make modules_install" and "make install" take care of it, since I am not sure I haven't tried it.

Basically, my question boils down to

1. Can I use bzImage in debian lenny,
2. does make install take care of configuring it


On Sun, Mar 14, 2010 at 4:15 AM, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> wrote:
Hello Ritu,

There are some problems with pci.h, i have also reported this to Konrad.
As a workaround you can enable dom0 support in these kernels, then they compile fine in my case.



Sunday, March 14, 2010, 2:43:23 AM, you wrote:

> I followed the steps mentioned in  wiki to pull xen code to compile domU
> kernel from

> 1. xen/master, I get following compilation errors. I do see in xen-devel
> forum someone else has reported similar issue but no solution yet(patch
> provided by Konrad has followup errors)

> CC [M]  drivers/watchdog/machzwd.o
>   CC [M]  drivers/watchdog/sbc_epx_c3.o
>   CC [M]  drivers/watchdog/softdog.o
>   CC      drivers/xen/grant-table.o
>   CC      drivers/xen/features.o
>   CC      drivers/xen/events.o
> drivers/xen/events.c:605: error: redefinition of ‘xen_destroy_irq’
> /root/kernel/linux.2-6.xen/arch/x86/include/asm/xen/pci.h:29: error:
> previous definition of ‘xen_destroy_irq’ was here
> drivers/xen/events.c:637: error: redefinition of ‘xen_create_msi_irq’
> /root/kernel/linux.2-6.xen/arch/x86/include/asm/xen/pci.h:25: error:
> previous definition of ‘xen_create_msi_irq’ was here
> make[2]: *** [drivers/xen/events.o] Error 1
> make[1]: *** [drivers/xen] Error 2
> make: *** [drivers] Error 2

> 2. xen/stable, I get following errors

>  CC      drivers/pci/xen-pcifront.o
> drivers/pci/xen-pcifront.c:373: error: variable ‘pci_frontend_ops’ has
> initializut incomplete type
> drivers/pci/xen-pcifront.c:374: error: unknown field ‘enable_msi’
> specified in ializer
> drivers/pci/xen-pcifront.c:374: warning: excess elements in struct
> initializer
> drivers/pci/xen-pcifront.c:374: warning: (near initialization for
> ‘pci_frontend_op)’
> drivers/pci/xen-pcifront.c:375: error: unknown field ‘disable_msi’
> specified in ializer
> drivers/pci/xen-pcifront.c:375: warning: excess elements in struct
> initializer
> drivers/pci/xen-pcifront.c:375: warning: (near initialization for
> ‘pci_frontend_op)’
> drivers/pci/xen-pcifront.c:376: error: unknown field ‘enable_msix’
> specified in ializer
> drivers/pci/xen-pcifront.c:376: warning: excess elements in struct
> initializer
> drivers/pci/xen-pcifront.c:376: warning: (near initialization for
> ‘pci_frontend_op)’
> drivers/pci/xen-pcifront.c:377: error: unknown field ‘disable_msix’
> specified intializer
> drivers/pci/xen-pcifront.c:377: warning: excess elements in struct
> initializer
> drivers/pci/xen-pcifront.c:377: warning: (near initialization for
> ‘pci_frontend_op)’
> drivers/pci/xen-pcifront.c: In function ‘pci_frontend_registrar’:
> drivers/pci/xen-pcifront.c:383: error: ‘xen_pci_frontend’ undeclared
> (first use his function)
> drivers/pci/xen-pcifront.c:383: error: (Each undeclared identifier is
> reported only once
> drivers/pci/xen-pcifront.c:383: error: for each function it appears in.)
> make[2]: *** [drivers/pci/xen-pcifront.o] Error 1
> make[1]: *** [drivers/pci] Error 2
> make: *** [drivers] Error 2

> Kindly let me know how to proceed on this.

> Thanks

Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx

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