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

[Jeff Becker]

On 09/05/2017 12:51 PM, David Z. Dai wrote:
> Hi, Jeff:
> It has the same error when loading "rpmcrdma" directly.
> [root at rhel73_host1_guest1_local_htx modules]# modprobe rpcrdma
> modprobe: ERROR: could not insert 'rpcrdma': Exec format error
>
> I also change the "rpcrdma.ko" mode from 644 to 744. It still has the
> same issue.

Since you're on IBM Power architecture I suspect this may be a factor - 
I only have access to x86_64 for development and testing. Perhaps 
someone at UNHIOL could verify? Thanks.

-jeff
>
> Thanks! - David Dai
>
> On Tue, 2017-09-05 at 12:33 -0700, Jeff Becker wrote:
>> 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:
>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__downloads.openfabrics.org_OFED_ofed-2D4.8-2D1-2Ddaily_OFED-2D4.8-2D1-2D20170905-2D0757.tgz&d=DwICaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=jE7tivF653Vygp552zF5nqagPKJAuy1x71Qnyf3szIw&m=g18gQ6E3E67ica6Ua-VcSfLqUhqoidoQ6p9JBZX16ZM&s=7P1W9rvFy-ZeD1z4hfqzovK40umK372kBX0EKXyeYfQ&e=
>>> 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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