Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

[Davis, Arlin R]

Marty,

What upstream kernel did you use to verify SRP? Was it on a 4.8 base or 
something newer? If newer, maybe we are missing some key SRP fixes in our OFED 
4.8 kernel base.

Thanks, Arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 1:00 PM
To: Davis, Arlin R ; Woodruff, Robert J 
; RSD@SFI ; 'Vladimir 
Sokolovsky' 
Cc: bart.vanass...@gmail.com; ewg@lists.openfabrics.org; Cedric Fernandes 
; Mike Davis 
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I can’t say for sure. I am attempting to build the upstream ib_srp driver for 
this platform, but I am running into build issues. Bart, I will send you a 
separate email on that subject.

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Friday, June 16, 2017 3:58 PM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Marty 
Schlining mailto:mschlin...@ddn.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Another SRP critical issue just opened. Is this also a backport issue?

Bug 2632 - SRP Login failure 
for SL 7.2 and OFED 4.8-rc4 (ib_srp: Sending CM DREQ failed)


From: Woodruff, Robert J
Sent: Friday, June 16, 2017 10:24 AM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Davis, 
Arlin R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Ok, then it sound like it is important enough to hold the release until we have 
a fix. I assume this is something that you can look at Vlad ?

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 10:17 AM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Davis, Arlin 
R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I tested the upstream driver from Bart VanAssche and it does not have the same 
issue as the OFED-4.8-rc4 ib_srp driver. The upstream driver handles the 
SRP_Reject as expected without crashing the SL 7.3 kernel. That is also 
detailed in the defect.

From: Woodruff, Robert J [mailto:robert.j.woodr...@intel.com]
Sent: Friday, June 16, 2017 1:14 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Davis, 
Arlin R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

So I guess the next question is, does anyone have a fix that can be included ? 
Also, do you know if this is a problem with the backport or is it also broken 
in the upstream kernel ?

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 10:03 AM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Davis, Arlin 
R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I do not think this is an acceptable workaround. An SRP target could have many 
hosts connected (IO nodes), not just the one that may have been abruptly 
rebooted (due to a power failure or pulled power cord). Are you suggesting that 
customers must reboot all of the IO nodes in their cluster attached to the SRP 
target and the SRP target as a workaround thereby taking the entire file system 
offline?

The backported ib_srp driver has a defect where it is not handling an 
SRP_Reject properly leaving a null pointer for the blk_mq driver. Normally, 
this would just be a note in the log and the srp_daemon could be setup to 
attempt a reconnect after 30 seconds. But, that is no longer possible with the 
current defect. 

Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

[Davis, Arlin R]

Sorry, I am still trying to understand what is working and what is needed to 
fix this for OFED 4.8.

When you said you tested the upstream kernel, was it SL 7.2 kernel plus the 
backports from Bart’s 4.11 drop? Do you need the 4.11 kernel base driver set 
for SRP to work properly?
-arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 9:42 AM
To: Davis, Arlin R ; Woodruff, Robert J 
; RSD@SFI ; 'Vladimir 
Sokolovsky' 
Cc: bart.vanass...@gmail.com; ewg@lists.openfabrics.org; Cedric Fernandes 
; Mike Davis 
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

No upstream kernel. SL 7.2 (3.10.0-327.el7.x86_64), OFED-4.8-rc4. Was unable to 
build the backport ib_srp backport driver on this platform with OFED 4.8-rc4 
installed. Multiple build errors. However, if I uninstall OFED-4.8-rc4, I am 
able to build the upstream ib_srp RPMs on SL 7.2

Backport ib_srp driver obtained by the following mechanism:

git clone https://github.com/bvanassche/ib_srp-backport.git

-Marty


From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 12:36 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Marty,

What upstream kernel did you use to verify SRP? Was it on a 4.8 base or 
something newer? If newer, maybe we are missing some key SRP fixes in our OFED 
4.8 kernel base.

Thanks, Arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 1:00 PM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I can’t say for sure. I am attempting to build the upstream ib_srp driver for 
this platform, but I am running into build issues. Bart, I will send you a 
separate email on that subject.

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Friday, June 16, 2017 3:58 PM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Marty 
Schlining mailto:mschlin...@ddn.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Another SRP critical issue just opened. Is this also a backport issue?

Bug 2632 - SRP Login failure 
for SL 7.2 and OFED 4.8-rc4 (ib_srp: Sending CM DREQ failed)


From: Woodruff, Robert J
Sent: Friday, June 16, 2017 10:24 AM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Davis, 
Arlin R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Ok, then it sound like it is important enough to hold the release until we have 
a fix. I assume this is something that you can look at Vlad ?

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 10:17 AM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Davis, Arlin 
R mailto:arlin.r.da...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I tested the upstream driver from Bart VanAssche and it does not have the same 
issue as the OFED-4.8-rc4 ib_srp driver. The upstream driver handles the 
SRP_Reject as expected without crashing the SL 7.3 kernel. That is also 
detailed in the defect.

From: Woodruff, Robert J [mailto:robert.j.woodr...@intel.com]
Sent: Friday, June 16, 2017 1:14 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Davis, 
Arlin R mailto:arlin.r.da...@intel.com>>; RSD@

Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

[Davis, Arlin R]

I tested SL 7.2 with OFED 4.8-rc4. Scanning SRP targets yielded the following 
response:

Ok, so this is a kernel.org 4.8 base SRP driver backported to 3.10.
Can someone tell me if the same problem exists with upstream SRP driver in 
kernel 4.8?
This will tell me if it is an OFED 4.8 backport issue or if it is a kernel 
4.8 SRP driver issue.

ib_srp: Sending CM DREQ failed and the SRP targets were never scanned. (See Bug 
2632. http://bugs.openfabrics.org/show_bug.cgi?id=2632)

I attempted to use Bart Van Assche’s ib_srp_backport driver on top of SL 7.2 
and OFED 4.8-rc4 according to his instructions. The ib_srp_backport driver 
failed to compile (see attached text file). The ib_srp_backport driver will not 
compile with OFED 4.8-rc4 installed. I was able to uninstall OFED 4.8-rc4, then 
compile the driver. However, when OFED 4.8-rc4 was reinstalled, the 
ib_srp_backport driver was not compatible.

Ok, I think I understand.
This is the upstream test that you said passed? A SL 
7.2+infiniband+ib_srp_backport_from_4.11?
Correct?

   -arlin

That’s all of the testing , so far.

-Marty

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 4:02 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Sorry, I am still trying to understand what is working and what is needed to 
fix this for OFED 4.8.

When you said you tested the upstream kernel, was it SL 7.2 kernel plus the 
backports from Bart’s 4.11 drop? Do you need the 4.11 kernel base driver set 
for SRP to work properly?

-arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 9:42 AM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

No upstream kernel. SL 7.2 (3.10.0-327.el7.x86_64), OFED-4.8-rc4. Was unable to 
build the backport ib_srp backport driver on this platform with OFED 4.8-rc4 
installed. Multiple build errors. However, if I uninstall OFED-4.8-rc4, I am 
able to build the upstream ib_srp RPMs on SL 7.2

Backport ib_srp driver obtained by the following mechanism:

git clone https://github.com/bvanassche/ib_srp-backport.git

-Marty


From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 12:36 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Marty,

What upstream kernel did you use to verify SRP? Was it on a 4.8 base or 
something newer? If newer, maybe we are missing some key SRP fixes in our OFED 
4.8 kernel base.

Thanks, Arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 1:00 PM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I can’t say for sure. I am attempting to build the upstream ib_srp driver for 
this platform, but I am running into build issues. Bart, I will send you a 
separate email on that subject.

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Friday, June 16, 2017 3:58 PM
To: Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; Marty 
Schlining mailto:mschlin...@ddn.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT 

Re: [ewg] [GIT PULL compat-rdma] Fix rstream timeouts on 4k_lat test

[Vladimir Sokolovsky]

Hi Tomas,
Done + build: OFED-4.8-20170619-1350.tgz

Regards,
Vladimir

From: Czeszun, Tomasz [mailto:tomasz.czes...@intel.com]
Sent: Monday, June 19, 2017 12:45 PM
To: Vladimir Sokolovsky 
Cc: ewg@lists.openfabrics.org
Subject: [ewg] [GIT PULL compat-rdma] Fix rstream timeouts on 4k_lat test

Hi Vlad,

Please pull from git://flatbed.openfabrics.org/~tomaszc/compat-rdma:for_vlad
commit d295ff654f1116249d901fc838a0df0feec7aca8  -  Fix rstream timeouts on 
4k_lat test
Thanks,
Tomasz

-
Intel Technology Poland sp. z o.o.
ul. Słowackiego 173 | 80-298 Gdańsk | Sąd Rejonowy Gdańsk Północ | VII Wydział 
Gospodarczy Krajowego Rejestru Sądowego - KRS 101882 | NIP 957-07-52-316 | 
Kapitał zakładowy 200.000 PLN.

Ta wiadomość wraz z załącznikami jest przeznaczona dla określonego adresata i 
może zawierać informacje poufne. W razie przypadkowego otrzymania tej 
wiadomości, prosimy o powiadomienie nadawcy oraz trwałe jej usunięcie; 
jakiekolwiek przeglądanie lub rozpowszechnianie jest zabronione.
This e-mail and any attachments may contain confidential material for the sole 
use of the intended recipient(s). If you are not the intended recipient, please 
contact the sender and delete all copies; any review or distribution by others 
is strictly prohibited.

___
ewg mailing list
ewg@lists.openfabrics.org
http://lists.openfabrics.org/mailman/listinfo/ewg

Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

[Davis, Arlin R]

Ok, so it’s safe to say we are missing some bug fixes after kernel.org 4.8.

+Amir, to help isolate and validate.


From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 1:40 PM
To: Davis, Arlin R ; Woodruff, Robert J 
; RSD@SFI ; 'Vladimir 
Sokolovsky' 
Cc: bart.vanass...@gmail.com; ewg@lists.openfabrics.org; Cedric Fernandes 
; Mike Davis 
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

The upstream test was for Bug 2631, SRP Reject Issue. The Base OS was SL 7.3 
(not SL 7.2) w/ OFED 4.8-rc4 and the ib_srp_backport_4_11. That combination 
worked properly.

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 4:35 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I tested SL 7.2 with OFED 4.8-rc4. Scanning SRP targets yielded the following 
response:

Ok, so this is a kernel.org 4.8 base SRP driver backported to 3.10.
Can someone tell me if the same problem exists with upstream SRP driver in 
kernel 4.8?
This will tell me if it is an OFED 4.8 backport issue or if it is a kernel 
4.8 SRP driver issue.

ib_srp: Sending CM DREQ failed and the SRP targets were never scanned. (See Bug 
2632. http://bugs.openfabrics.org/show_bug.cgi?id=2632)

I attempted to use Bart Van Assche’s ib_srp_backport driver on top of SL 7.2 
and OFED 4.8-rc4 according to his instructions. The ib_srp_backport driver 
failed to compile (see attached text file). The ib_srp_backport driver will not 
compile with OFED 4.8-rc4 installed. I was able to uninstall OFED 4.8-rc4, then 
compile the driver. However, when OFED 4.8-rc4 was reinstalled, the 
ib_srp_backport driver was not compatible.

Ok, I think I understand.
This is the upstream test that you said passed? A SL 
7.2+infiniband+ib_srp_backport_from_4.11?
Correct?

   -arlin

That’s all of the testing , so far.

-Marty

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 4:02 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Sorry, I am still trying to understand what is working and what is needed to 
fix this for OFED 4.8.

When you said you tested the upstream kernel, was it SL 7.2 kernel plus the 
backports from Bart’s 4.11 drop? Do you need the 4.11 kernel base driver set 
for SRP to work properly?

-arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 9:42 AM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

No upstream kernel. SL 7.2 (3.10.0-327.el7.x86_64), OFED-4.8-rc4. Was unable to 
build the backport ib_srp backport driver on this platform with OFED 4.8-rc4 
installed. Multiple build errors. However, if I uninstall OFED-4.8-rc4, I am 
able to build the upstream ib_srp RPMs on SL 7.2

Backport ib_srp driver obtained by the following mechanism:

git clone https://github.com/bvanassche/ib_srp-backport.git

-Marty


From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 12:36 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Marty,

What upstream kernel did you use to verify SRP? Was it on a 4.8 base or 
something newer? If newer, maybe we are missing some key SRP fixes in our OFED 
4.8 kernel base.

Thanks, Arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Friday, June 16, 2017 1:00 PM
To: Davis, Arlin R mailto:arli

[ewg] OFA EWG Meeting: Monday, June 19th, 2017, 09:00 AM US Pacific Time (12pm EST) - Minutes

[Davis, Arlin R]

Attendees  Company
Pradeep KankipatiBroadcom
Steve Wise   Chelsio
David DaiIBM
Robert Woodruff Intel
Arlin Davis Intel
Paul BowdenIntel
Tatyana Nikolova Intel
Jim RyanOFA
Vladimir SokolovskyMellanox
Rupert DanceSoftware Forge
Susan Coulterlanl

Please let me know if I missed anyone.


Agenda:



*Opens

? OFED GA has been delayed, new critical SRP bugs reported, must have for DDN

? Add bug #2628 "qib: rstream timeout on 4K_lat test" to OFED 4.8 fix list

? Open new bug for nfs-rdma feature, target OFED 4.8-1, P5 Major (2633)



*OFED 4.8 Update

?  RC4: http://downloads.openfabrics.org/OFED/ofed-4.8/OFED-4.8-rc4.tgz

?  Bug Status

?  2628 -  rstream timeout on 4K_lat test

?  Fixed: OFED-4.8-20170619-1350.tgz

?  2631 - SRP reject from SRP target causes kernel crash with SL 7.3 and RC4

?  2632 - SRP login failure for SL 7.2 and RC4, (ib_srp: sending CM DREQ failed)

?  Doesn't appear to be a OFED backport issue, missing upstream 4.11 fixes?

?  Arlin/Rupert to work with Martin (DDN) and Bart (maintainer) to help resolve 
ASAP

?  Keep EWG list informed of progress



*GA target date - 1 week to fix SRP, 1 week for RC5 testing, June 30th 
GA is best case.



Regards,



Arlin




___
ewg mailing list
ewg@lists.openfabrics.org
http://lists.openfabrics.org/mailman/listinfo/ewg

Re: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

[Hanania, Amir]

I updated the bug with the below comment:

I'm not sure if this ib_srp-backport patch is related, but it worth to take a 
look.

IB/srp: Improve an error path
Avoid that the following message is printed if login fails: scsi host0: ib_srp: 
Sending CM DREQ failed



https://github.com/bvanassche/ib_srp-backport/commit/75c59cb20e6b7d20948f5a7b5e4fd92bd7436a60


From: Davis, Arlin R
Sent: Monday, June 19, 2017 2:21 PM
To: Marty Schlining ; Woodruff, Robert J 
; RSD@SFI ; 'Vladimir 
Sokolovsky' 
Cc: bart.vanass...@gmail.com; ewg@lists.openfabrics.org; Cedric Fernandes 
; Mike Davis ; Hanania, Amir 

Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Ok, so it’s safe to say we are missing some bug fixes after kernel.org 4.8.

+Amir, to help isolate and validate.


From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 1:40 PM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

The upstream test was for Bug 2631, SRP Reject Issue. The Base OS was SL 7.3 
(not SL 7.2) w/ OFED 4.8-rc4 and the ib_srp_backport_4_11. That combination 
worked properly.

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 4:35 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

I tested SL 7.2 with OFED 4.8-rc4. Scanning SRP targets yielded the following 
response:

Ok, so this is a kernel.org 4.8 base SRP driver backported to 3.10.
Can someone tell me if the same problem exists with upstream SRP driver in 
kernel 4.8?
This will tell me if it is an OFED 4.8 backport issue or if it is a kernel 
4.8 SRP driver issue.

ib_srp: Sending CM DREQ failed and the SRP targets were never scanned. (See Bug 
2632. http://bugs.openfabrics.org/show_bug.cgi?id=2632)

I attempted to use Bart Van Assche’s ib_srp_backport driver on top of SL 7.2 
and OFED 4.8-rc4 according to his instructions. The ib_srp_backport driver 
failed to compile (see attached text file). The ib_srp_backport driver will not 
compile with OFED 4.8-rc4 installed. I was able to uninstall OFED 4.8-rc4, then 
compile the driver. However, when OFED 4.8-rc4 was reinstalled, the 
ib_srp_backport driver was not compatible.

Ok, I think I understand.
This is the upstream test that you said passed? A SL 
7.2+infiniband+ib_srp_backport_from_4.11?
Correct?

   -arlin

That’s all of the testing , so far.

-Marty

From: Davis, Arlin R [mailto:arlin.r.da...@intel.com]
Sent: Monday, June 19, 2017 4:02 PM
To: Marty Schlining mailto:mschlin...@ddn.com>>; Woodruff, 
Robert J mailto:robert.j.woodr...@intel.com>>; 
RSD@SFI mailto:rsda...@soft-forge.com>>; 'Vladimir 
Sokolovsky' mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

Sorry, I am still trying to understand what is working and what is needed to 
fix this for OFED 4.8.

When you said you tested the upstream kernel, was it SL 7.2 kernel plus the 
backports from Bart’s 4.11 drop? Do you need the 4.11 kernel base driver set 
for SRP to work properly?

-arlin

From: Marty Schlining [mailto:mschlin...@ddn.com]
Sent: Monday, June 19, 2017 9:42 AM
To: Davis, Arlin R mailto:arlin.r.da...@intel.com>>; 
Woodruff, Robert J 
mailto:robert.j.woodr...@intel.com>>; RSD@SFI 
mailto:rsda...@soft-forge.com>>; 'Vladimir Sokolovsky' 
mailto:v...@dev.mellanox.co.il>>
Cc: bart.vanass...@gmail.com; 
ewg@lists.openfabrics.org; Cedric Fernandes 
mailto:cfernan...@ddn.com>>; Mike Davis 
mailto:mda...@ddn.com>>
Subject: RE: [ewg] [GIT PULL compat-rdma] qib for OFED 4.8

No upstream kernel. SL 7.2 (3.10.0-327.el7.x86_64), OFED-4.8-rc4. Was unable to 
build the backport ib_srp backport driver on this platform with OFED 4.8-rc4 
installed. Multiple build errors. However, if I uninstall OFED-4.8-rc4, I am 
able to build the upstream ib_srp RPMs on SL 7.2

Backport ib_srp driver obtained by the following mechanism:

git clone https://github.com/