Re: [Xen-devel] pvops dom0 20090821 issue (msi)

[Qing He <qing.he@xxxxxxxxx>]

On Fri, 2009-08-21 at 17:41 +0800, Daniel Schroeder wrote:
> Hi Jeremy,
> 
> compilation[1] breaks with:
> 
> grep -i msi .config
> CONFIG_ARCH_SUPPORTS_MSI=y
> # CONFIG_PCI_MSI is not set
> 

Hi Daniel,

The attached patch should fix this,and also another compilation error
of missing domid_t decalaration in drivers/xen/pci.c introduced by
map_pirq physop calls.


> with msi configured it compiles...
> 
> grep -i msi .config
> CONFIG_ARCH_SUPPORTS_MSI=y
> CONFIG_PCI_MSI=y
> 
> may be its related, this compiled kernel is waiting forever at boot time
> during "starting xen control daemon"...three finger salute stalls after
> "unmounting network filesystems"...
> 
> if i add pci=nomsi system boots up and everything is fine :)

What userspace program are you using? I can't find these output
message ("xen control daemon") on my system. Do you get the {xen,kernel}
dmesg? That may help to identify the problem. And what's your environment?

Thanks,
Qing

> 
> -
> daniel
> 
> 
> 
> [1]
>  CHK     include/linux/version.h
>   CHK     include/linux/utsrelease.h
>   SYMLINK include/asm -> include/asm-x86
>   CALL    scripts/checksyscalls.sh
>   CHK     include/linux/compile.h
>   CC      arch/x86/xen/pci.o
> arch/x86/xen/pci.c: In function 'xen_setup_msi_irqs':
> arch/x86/xen/pci.c:96: error: 'struct pci_dev' has no member named
> 'msi_list'
> arch/x86/xen/pci.c:96: error: 'struct pci_dev' has no member named
> 'msi_list'
> make[2]: *** [arch/x86/xen/pci.o] Error 1
> make[1]: *** [arch/x86/xen] Error 2
> make: *** [arch/x86] Error 2
> make: *** Waiting for unfinished jobs....
> 
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Attachment: xen-msi-fix-build.patch
Description: Text Data

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