Re: [Xen-API] XCP 1.6 61002c Areca CLI Issues

[Graham Frank <jakiao@xxxxxxxxx>]

Sweet success!  Thank you for helping with this, James.
--Graham

On Tue, Nov 6, 2012 at 5:53 AM, James Bulpin <James.Bulpin@xxxxxxxxxxxxx> wrote:
> Graham wrote:
>> Yargh, I hate that I'm sending a third reply so soon.  It appears the
>> arcmsr and kernel-xen-devel packages conflict.
>>
>> make -C /lib/modules/2.6.32.43-0.4.1.xs1.6.06.734.170748xen/build
>> SUBDIRS=/root/arcmsr.1.20.0X.15-111012 BUILD_INI=m
>> make[1]: Entering directory
>> `/usr/src/kernels/2.6.32.43-0.4.1.xs1.6.06.734.170748xen-i686'
>>   CC [M]  /root/arcmsr.1.20.0X.15-111012/arcmsr.o
>> In file included from /root/arcmsr.1.20.0X.15-111012/arcmsr.c:243:
>> /root/arcmsr.1.20.0X.15-111012/arcmsr.h:252: error: redeclaration of
>> enumerator ÃâËSCSI_QDEPTH_DEFAULTÃââ
>> include/scsi/scsi_host.h:47: error: previous definition of
>> ÃâËSCSI_QDEPTH_DEFAULTÃââ was here
>> /root/arcmsr.1.20.0X.15-111012/arcmsr.h:253: error: redeclaration of
>> enumerator ÃâËSCSI_QDEPTH_QFULLÃââ
>> include/scsi/scsi_host.h:48: error: previous definition of
>> ÃâËSCSI_QDEPTH_QFULLÃââ was here
>> /root/arcmsr.1.20.0X.15-111012/arcmsr.h:254: error: redeclaration of
>> enumerator ÃâËSCSI_QDEPTH_RAMP_UPÃââ
>> include/scsi/scsi_host.h:49: error: previous definition of
>> ÃâËSCSI_QDEPTH_RAMP_UPÃââ was here
>> /root/arcmsr.1.20.0X.15-111012/arcmsr.h:5269: warning: initialization
>> from incompatible pointer type
>> make[2]: *** [/root/arcmsr.1.20.0X.15-111012/arcmsr.o] Error 1
>> make[1]: *** [_module_/root/arcmsr.1.20.0X.15-111012] Error 2
>> make[1]: Leaving directory
>> `/usr/src/kernels/2.6.32.43-0.4.1.xs1.6.06.734.170748xen-i686'
>> make: *** [all] Error 2
>>
>> Is this an XCP bug or an Areca bug?
>
> It comes from some backported stuff in the 2.6.32.12-0.7.1 SLES kernel that 
> the XCP kernel is based on. The Areca driver expects that this enum needs 
> defining for 2.6.32 and earlier kernels whereas the SLES and XCP kernels (and 
> RHEL probably based on the "!defined(RHEL_RELEASE_CODE)" bit) already have it 
> defined hence the redefinition error. FWIW this would happen on SLES with 
> 2.6.32 as well.
>
> #if !defined(RHEL_RELEASE_CODE) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 
> 33)
>         enum {
>                 SCSI_QDEPTH_DEFAULT,    /* default requested change, e.g. 
> from sysfs */
>                 SCSI_QDEPTH_QFULL,      /* scsi-ml requested due to queue 
> full */
>                 SCSI_QDEPTH_RAMP_UP,    /* scsi-ml requested due to 
> threshhold event */
>         };
> #endif
>
> You can simply remove this or cause the #if to always give false, e.g.:
>
> [root@localhost arcmsr.1.20.0X.15-111012]# diff -up arcmsr.h.orig arcmsr.h
> --- arcmsr.h.orig       2012-11-06 06:51:07.000000000 -0500
> +++ arcmsr.h    2012-11-06 06:51:31.000000000 -0500
> @@ -247,7 +247,7 @@
>         #define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
>  #endif
>
> -#if !defined(RHEL_RELEASE_CODE) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 
> 33)
> +#if !defined(RHEL_RELEASE_CODE) && LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 
> 33) && 0
>         enum {
>                 SCSI_QDEPTH_DEFAULT,    /* default requested change, e.g. 
> from sysfs */
>                 SCSI_QDEPTH_QFULL,      /* scsi-ml requested due to queue 
> full */
>
> Regards,
> James
>
>

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