[ewg] NFS/RDMA backport for OFED 4.8-1 part 3

[Jeff Becker]

Hi,

I responded to the bugzilla 2633. In short, please try "modprobe 
rpcrdma" directly, and just once as it now contains both server and 
client. Thanks.

-jeff

On 09/05/2017 12:25 PM, David Z. Dai wrote:
> Hi, Vlad, Jeff:
> Today I got the latest daily build from:
> http://downloads.openfabrics.org/OFED/ofed-4.8-1-daily/OFED-4.8-1-20170905-0757.tgz
> This latest daily build includes the NFSoRDMA functionality now.
>
> I did a full install on RHEL 7.3 LE OS:
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# uname -a
> Linux rhel73_host1_guest1_local_htx 3.10.0-514.el7.ppc64le #1 SMP Wed Oct 19
> 11:27:06 EDT 2016 ppc64le ppc64le ppc64le GNU/Linux
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# ./install.pl  --all
>
> The installation finished successfully.
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# ofed_info -s
> OFED-4.8-1-20170905-0757:
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# modinfo xprtrdma
> filename:      /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> alias:          xprtrdma
> alias:          svcrdma
> license:        Dual BSD/GPL
> description:    RPC/RDMA Transport
> author:         Open Grid Computing and Network Appliance, Inc.
> rhelversion:    7.3
> srcversion:     9629610592FC8363A00B592
> depends:        sunrpc,compat,ib_core,rdma_cm
> vermagic:       3.10.0-514.el7.ppc64le SMP mod_unload modversions
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# modinfo svcrdma
> filename:      /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> alias:          xprtrdma
> alias:          svcrdma
> license:        Dual BSD/GPL
> description:    RPC/RDMA Transport
> author:         Open Grid Computing and Network Appliance, Inc.
> rhelversion:    7.3
> srcversion:     9629610592FC8363A00B592n
> depends:        sunrpc,compat,ib_core,rdma_cm
> vermagic:       3.10.0-514.el7.ppc64le SMP mod_unload modversions
>
> They are not in "nfsrdma" rpm any more. They are now in "compat-rdma" rpm:
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# rpm -qf
> /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> compat-rdma-4.8-0.20170905.0757.g63258b0.3.10.0_514.el7.ppc64le.ppc64le
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# rpm -qf
> /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> compat-rdma-4.8-0.20170905.0757.g63258b0.3.10.0_514.el7.ppc64le.ppc64le
>
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# ls -al /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> -rw-r--r--. 1 root root 6031120 Sep  5 14:24 /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# ls -al /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
> -rw-r--r--. 1 root root 6031120 Sep  5 14:24 /lib/modules/3.10.0-514.el7.ppc64le/updates/net/sunrpc/xprtrdma/rpcrdma.ko
>
> However I see the error during module load time:
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# modprobe xprtrdma
> modprobe: ERROR: could not insert 'rpcrdma': Exec format error
> [root at rhel73_host1_guest1_local_htx OFED-4.8-1-20170905-0757]# modprobe svcrdma
> modprobe: ERROR: could not insert 'rpcrdma': Exec format error
>
>
> NOTE:
> 1) Both xprtrdma and svcrdma are using same "rpcrdma.ko"  (see modinfo output above)
> 2) The mode of "rpcrdma.ko" is 644. Should it be at least 744?
>
> Could you please check on this?
>
> Thanks! - David
> On Sat, 2017-09-02 at 00:59 +0300, Vladimir Sokolovsky wrote:
>> Applied + build: OFED-4.8-1-20170901-1439
>>
>> Regards,
>> Vladimir
>>
>> On 09/02/2017 12:44 AM, Jeff Becker wrote:
>>> Hi Vlad,
>>>
>>> Please apply the attached patches to compat-rdma.git. Together with
>>> the previous two patches, these have been tested with RHEL7.3 and
>>> SLES12SP2. Thanks.
>>>
>>> -jeff
>>>
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