Xen users - Feb 2009 - Infiniband Drivers under Xen kernel?

Hello folks,

I am running Xen 2.6 under Centos 5.2 installation, and am trying to port
Xen migration abilities to Infiniband. But, the InfiniBand drivers do not
work under Xen kernel, only under non-Xen kernels. It looks like I need to
install some patches to rectify the situation.

Has anyone ever worked with Infiniband and Xen and would be able to give me
inputs about the same? I would really appreciate any kind of help in the
matter.

Thanks & Regards,
Siddharth Wagh

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Many of life''s failures are people who did not realize how close they
were
to success when they gave up...
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On Mon, 23 Feb 2009, Siddharth Wagh wrote:
> Hello folks,
>
> I am running Xen 2.6 under Centos 5.2 installation, and am trying to port
> Xen migration abilities to Infiniband. But, the InfiniBand drivers do not
> work under Xen kernel, only under non-Xen kernels. It looks like I need to
> install some patches to rectify the situation.
>
> Has anyone ever worked with Infiniband and Xen and would be able to give me
> inputs about the same? I would really appreciate any kind of help in the
> matter.
# Install OFED and dependancies
yum -y install libibverbs-devel libmthca libibverbs-utils openib-diags openib

Works without issue on centos5.2 xen.

><>
Nathan Stratton                                CTO, BlinkMind, Inc.
nathan at robotics.net                         nathan at blinkmind.com
http://www.robotics.net                        http://www.blinkmind.com

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Thanks Nathan. But, it gives the following error during yum installation:

Transaction Check Error:
  package libibverbs-2.2-33596.832.1_1_1.rhel4_qlc (which is newer than
libibverbs-1.1.1-9.el5) is already installed
  package libibverbs-devel-2.2-33596.832.1_1_1.rhel4_qlc (which is newer
than libibverbs-devel-1.1.1-9.el5) is already installed


Thanks & Regards,
Siddharth Wagh

----------------------------------------------------------------------------------------------------------------------------------------------------------
Many of life''s failures are people who did not realize how close they
were
to success when they gave up...
----------------------------------------------------------------------------------------------------------------------------------------------------------


On Mon, Feb 23, 2009 at 1:11 PM, Nathan Stratton
<nathan@robotics.net>wrote:
> On Mon, 23 Feb 2009, Siddharth Wagh wrote:
>
>  Hello folks,
>>
>> I am running Xen 2.6 under Centos 5.2 installation, and am trying to
port
>> Xen migration abilities to Infiniband. But, the InfiniBand drivers do
not
>> work under Xen kernel, only under non-Xen kernels. It looks like I need
to
>> install some patches to rectify the situation.
>>
>> Has anyone ever worked with Infiniband and Xen and would be able to
give
>> me
>> inputs about the same? I would really appreciate any kind of help in
the
>> matter.
>>
>
> # Install OFED and dependancies
> yum -y install libibverbs-devel libmthca libibverbs-utils openib-diags
> openib
>
> Works without issue on centos5.2 xen.
>
>
>  <>
>>
> Nathan Stratton                                CTO, BlinkMind, Inc.
> nathan at robotics.net                         nathan at blinkmind.com
> http://www.robotics.net                        http://www.blinkmind.com
>

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Yes,

but you have started openib service?
(/etc/init.d/openib start)

Open IB load a kernel module to allow system work with ib....
If you does not have installed all required packages, when start, openib
exit with failed.

O.K., you must install anothers packages, drivers module vendors for
your IB cards!

Go in package manager, search in "available packages", type ibverbs
and go.
Check interested packages for your card(s), (sorry, at moment I does not
remember why
categorized by vendor) and install it.

....retry service openib start.

Bye,

Enrico
> Thanks Nathan. But, it gives the following error during yum installation:
>
> Transaction Check Error:
>   package libibverbs-2.2-33596.832.1_1_1.rhel4_qlc (which is newer 
> than libibverbs-1.1.1-9.el5) is already installed
>   package libibverbs-devel-2.2-33596.832.1_1_1.rhel4_qlc (which is 
> newer than libibverbs-devel-1.1.1-9.el5) is already installed
>
>


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