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Re: [libvirt] ESX: failure while performing "CastFromAnyType"



Hi,

do you have a patch that allows me to reproduce this problem? So I can
improve the error reporting here?

Regards,
Matthias

2012/7/18 Ata E Husain Bohra <ata husain hotmail com>:
> Just want to drop this note, so no one else gets bother with my query. I was
> able to find the reason and its fixed. It seems one of the ENUMs deep inside
> one of the structures was not defined. I am not sure if single step is the
> only way to solve such issues, as ESX_VI_ERROR never provided any useful
> information.
>
> Thanks!
> Ata
>
> From: Ata E Husain Bohra
> Sent: Monday, July 16, 2012 2:59 PM
> To: LIbvirt
> Subject: [libvirt] ESX: failure while performing "CastFromAnyType"
>
> Hi All,
>
> I am trying to extend “iscsi” support for iSCSI driver, currently am stuck
> at getting iSCSI target list from the hypervisor. I am using hostSystem
> object (propertyNameList is set to “config.storageDevice.hostBusAdapter”) to
> retrieve list of “HostHostBusAdapter” from ESX, but the call fails to
> perform “CastFromAnyType”  from ObjectContent –> HostHostBusAdapter. The
> esx_vi_generator.input object definition looks like this:
>
> object HostHostBusAdapter
>     String                                   key
> o
>     String                                   device
> r
>     Int                                      bus
> r
>     String                                   status
> r
>     String                                   model
> r
>     String                                   driver
> o
>     String                                   pci
> o
> end
>
> esx_vi_generaor.py is modified as follows:
>
> "HostHostBusAdapter"         : Object.FEATURE__ANY_TYPE |
>                                Object.FEATURE__LIST,
>
> Using gdb, I see the failure occurs at:
> esx/esx_vi.c:esxVI_List_CastFromAnyType(..) line 1631:
>
> ..
> if (esxVI_AnyType_Deserialize(childNode, &childAnyType) < 0 ||
>     castFromAnyTypeFunc(childAnyType, &item) < 0 ||
>     esxVI_List_Append(list, item) < 0) {
>     goto cleanup;
> }
> ..
>
> In one of my earlier patches (subject: Add routines to interface driver) I
> patched esx_vi_generator.py to deserialize “string list”; as the patch is
> still under review I manually applied the branch to this branch but no
> change (did not expect change as structure does not contain any list
> object). I am wondering what else is missing to make it work.
>
> Any suggestion how to debug/fix this issue is highly appreciated.
>
> Thanks!
> Ata
>
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