[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Brad Figg]

** Changed in: linux (Ubuntu)
   Status: Fix Committed => Fix Released

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.8.0-52.55

---
linux (4.8.0-52.55) yakkety; urgency=low

  * linux: 4.8.0-52.55 -proposed tracker (LP: #1686976)

  * CVE-2017-7477: macsec: avoid heap overflow in skb_to_sgvec (LP: #1685892)
- macsec: avoid heap overflow in skb_to_sgvec
- macsec: dynamically allocate space for sglist

  * net/ipv4: original ingress device index set as the loopback interface.
(LP: #1683982)
- net: fix incorrect original ingress device index in PKTINFO

  * Touchpad not working correctly after kernel upgrade (LP: #1662589)
- Input: ALPS - fix V8+ protocol handling (73 03 28)

  * ifup service of network device stay active after driver stop (LP: #1672144)
- net: use net->count to check whether a netns is alive or not

  * [Hyper-V] mkfs regression in kernel 4.4+ (LP: #1682215)
- block: relax check on sg gap

  * Potential memory corruption with capi adapters (LP: #1681469)
- powerpc/mm: Add missing global TLB invalidate if cxl is active

  * [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and
image (LP: #1650058)
- net/mlx4_en: Fix bad WQE issue
- net/mlx4_core: Fix racy CQ (Completion Queue) free
- net/mlx4_core: Fix when to save some qp context flags for dynamic VST to 
VGT
  transitions
- net/mlx4_core: Avoid command timeouts during VF driver device shutdown

 -- Stefan Bader   Fri, 28 Apr 2017 12:17:12
+0200

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.8.0-52.55

---
linux (4.8.0-52.55) yakkety; urgency=low

  * linux: 4.8.0-52.55 -proposed tracker (LP: #1686976)

  * CVE-2017-7477: macsec: avoid heap overflow in skb_to_sgvec (LP: #1685892)
- macsec: avoid heap overflow in skb_to_sgvec
- macsec: dynamically allocate space for sglist

  * net/ipv4: original ingress device index set as the loopback interface.
(LP: #1683982)
- net: fix incorrect original ingress device index in PKTINFO

  * Touchpad not working correctly after kernel upgrade (LP: #1662589)
- Input: ALPS - fix V8+ protocol handling (73 03 28)

  * ifup service of network device stay active after driver stop (LP: #1672144)
- net: use net->count to check whether a netns is alive or not

  * [Hyper-V] mkfs regression in kernel 4.4+ (LP: #1682215)
- block: relax check on sg gap

  * Potential memory corruption with capi adapters (LP: #1681469)
- powerpc/mm: Add missing global TLB invalidate if cxl is active

  * [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and
image (LP: #1650058)
- net/mlx4_en: Fix bad WQE issue
- net/mlx4_core: Fix racy CQ (Completion Queue) free
- net/mlx4_core: Fix when to save some qp context flags for dynamic VST to 
VGT
  transitions
- net/mlx4_core: Avoid command timeouts during VF driver device shutdown

 -- Stefan Bader   Fri, 28 Apr 2017 12:17:12
+0200

** Changed in: linux (Ubuntu Yakkety)
   Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2017-7477

** Changed in: linux (Ubuntu Yakkety)
   Status: Fix Committed => Fix Released

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Chris Valean]

** Tags removed: verification-needed-yakkety
** Tags added: verification-done-yakkety

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Adrian Suhov]

Hi,
I tested the latest proposed kernel and it's looking good, no issues were 
found. You can submit the changes.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Kleber Sacilotto de Souza]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
yakkety' to 'verification-done-yakkety'. If the problem still exists,
change the tag 'verification-needed-yakkety' to 'verification-failed-
yakkety'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-yakkety

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Stefan Bader]

** Changed in: linux (Ubuntu Yakkety)
   Status: In Progress => Fix Committed

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Adrian Suhov]

Hi,
The test kernel looks good, you can submit it.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

I built a Yakkety test kernel with the four patches. The test kernel can
be downloaded from:

http://kernel.ubuntu.com/~jsalisbury/lp1650058/yakkety

Can you test this kernel and see if it resolves this bug?

** Changed in: linux (Ubuntu Yakkety)
   Status: New => In Progress

** Changed in: linux (Ubuntu Yakkety)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Yakkety)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Brad Figg]

** Also affects: linux (Ubuntu Yakkety)
   Importance: Undecided
   Status: New

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Launchpad Bug Tracker]

This bug was fixed in the package linux - 4.4.0-65.86

---
linux (4.4.0-65.86) xenial; urgency=low

  * linux: 4.4.0-65.86 -proposed tracker (LP: #1667052)

  [ Stefan Bader ]
  * Upgrade Redpine RS9113 driver to support AP mode (LP: #1665211)
- SAUCE: Redpine driver to support Host AP mode

  * NFS client : permission denied when trying to access subshare, since kernel
4.4.0-31 (LP: #1649292)
- fs: Better permission checking for submounts

  * [Hyper-V] SAUCE: pci-hyperv fixes for SR-IOV on Azure (LP: #1665097)
- SAUCE: PCI: hv: Fix wslot_to_devfn() to fix warnings on device removal
- SAUCE: pci-hyperv: properly handle pci bus remove
- SAUCE: pci-hyperv: lock pci bus on device eject

  * [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and
image (LP: #1650058)
- net/mlx4_en: Fix bad WQE issue
- net/mlx4_core: Fix racy CQ (Completion Queue) free
- net/mlx4_core: Fix when to save some qp context flags for dynamic VST to 
VGT
  transitions
- net/mlx4_core: Avoid command timeouts during VF driver device shutdown

  * Xenial update to v4.4.49 stable release (LP: #1664960)
- ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
- selinux: fix off-by-one in setprocattr
- Revert "x86/ioapic: Restore IO-APIC irq_chip retrigger callback"
- cpumask: use nr_cpumask_bits for parsing functions
- hns: avoid stack overflow with CONFIG_KASAN
- ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset 
write
- target: Don't BUG_ON during NodeACL dynamic -> explicit conversion
- target: Use correct SCSI status during EXTENDED_COPY exception
- target: Fix early transport_generic_handle_tmr abort scenario
- target: Fix COMPARE_AND_WRITE ref leak for non GOOD status
- ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
- mac80211: Fix adding of mesh vendor IEs
- netvsc: Set maximum GSO size in the right place
- scsi: zfcp: fix use-after-free by not tracing WKA port open/close on 
failed
  send
- scsi: aacraid: Fix INTx/MSI-x issue with older controllers
- scsi: mpt3sas: disable ASPM for MPI2 controllers
- xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()
- ALSA: seq: Fix race at creating a queue
- ALSA: seq: Don't handle loop timeout at snd_seq_pool_done()
- drm/i915: fix use-after-free in page_flip_completed()
- Linux 4.4.49

  * NFS client : kernel 4.4.0-57 crash with nfsv4 enries in /etc/fstab
(LP: #1650336)
- SUNRPC: fix refcounting problems with auth_gss messages.

  * [0bda:0328] Card reader failed after S3 (LP: #1664809)
- usb: hub: Wait for connection to be reestablished after port reset

  * linux-lts-xenial 4.4.0-63.84~14.04.2 ADT test failure with linux-lts-xenial
4.4.0-63.84~14.04.2 (LP: #1664912)
- SAUCE: apparmor: fix link auditing failure due to, uninitialized var

  * ibmvscsis: Add SGL LIMIT (LP: #1662551)
- ibmvscsis: Add SGL limit

  * [Hyper-V] Bug fixes for storvsc (tagged queuing, error conditions)
(LP: #1663687)
- scsi: storvsc: Enable tracking of queue depth
- scsi: storvsc: Remove the restriction on max segment size
- scsi: storvsc: Enable multi-queue support
- scsi: storvsc: use tagged SRB requests if supported by the device
- scsi: storvsc: properly handle SRB_ERROR when sense message is present
- scsi: storvsc: properly set residual data length on errors

  * ISST-LTE:pNV: ppc64_cpu command is hung w HDs, SSDs and NVMe (LP: #1662666)
- blk-mq: Avoid memory reclaim when remapping queues
- blk-mq: Fix failed allocation path when mapping queues

  * Possible missing firmware /lib/firmware/i915/kbl_dmc_ver1.bin for module
i915_bpo (LP: #1624164)
- SAUCE: i915_bpo: Remove MODULE_FIRMWARE statement for 
i915/kbl_dmc_ver1.bin

  *  Intel I210 ethernet does not work both after S3 (LP: #1662763)
- igb: implement igb_ptp_suspend
- igb: call igb_ptp_suspend during suspend/resume cycle

  * [Hyper-V] Fix ring buffer handling to avoid host throttling (LP: #1661430)
- Drivers: hv: vmbus: On write cleanup the logic to interrupt the host
- Drivers: hv: vmbus: On the read path cleanup the logic to interrupt the 
host
- Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()

  * brd module compiled as built-in (LP: #1593293)
- [Config] CONFIG_BLK_DEV_RAM=m

  * regession tests failing after stackprofile test is run (LP: #1661030)
- SAUCE: fix regression with domain change in complain mode

  * Permission denied and inconsistent behavior in complain mode with 'ip netns
list' command (LP: #1648903)
- SAUCE: fix regression with domain change in complain mode

  * flock not mediated by 'k' (LP: #1658219)
- SAUCE: apparmor: flock mediation is not being enforced on cache check

  * unexpected errno=13 and disconnected path when trying to open /proc/1/ns/mnt
from a unshared mount 

[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Brad Figg]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag 'verification-needed-xenial' to 'verification-failed-
xenial'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-xenial

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Dexuan Cui]

Thanks, Joseph!

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Hi Dexuan,

I confirmed the patch for bug 1667007 is applied in the posted test
kernel(Comment #4 for that bug):

Author: Jack Morgenstein 
Date:   Thu Feb 16 12:59:58 2017 +0200

[PATCH] net/mlx4_core: Use cq quota in SRIOV when creating
completion EQs

However, the test kernel for that bug did not have the four patches
applied that came in from this bug.  I will rebuild the test kernel for
that bug and post it in that bugs comments.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Dexuan Cui]

@Joshph, "the test kernel in #25" means the #4 in the link of #25,
i.e.  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1667007/comments/4
It looks to me the patch is not included. Just want to confirm my guess.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Dexuan Cui]

@Joshph
Can you please confirm the patch 
(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1665097/comments/4) is 
included in the test kernel in #25?

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Status: In Progress => Fix Committed

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

The in-flight patch is now in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1667007

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Ah, we don't normally install "extra" on virtual machines, but if that's
where the mlx4 driver lives, we will change.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Also, just wanted to confirm you installed both the linux-image and the
linux-image-extra .deb packages.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

I built a test kernel based on -63 with the patches from both bugs. It
is available from:

http://kernel.ubuntu.com/~jsalisbury/lp1650058Andlp1665097/

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Is the VF device not showing up only with my test kernel posted in
comment #14, or does it also fail to show up with the stock -64 kernel
in the proposed repository?

If the new issue only happens with my test kernel, can you test the
kernel posted in comment #9?  That will help narrow down which commit
might be causing this.  That kernel only has the first 4 patches.

I can also build a -63 based kernel with the patches instead of -64.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Simon Xiao]

A quick test on the kernel in comment #14:
Mellanox CX3 VF device is not showing up when booting up with this test kernel: 
4.4.0-64-generic.
Looks like this is a regression from 4.4.0-63-generic. In 4.4.0-63-generic, the 
VF presented correctly.


1. Boot with this test kernel: 4.4.0-64-generic; then VF is not listed in lspci:

root@ubuntu1604-client:~# uname -r
4.4.0-64-generic
root@ubuntu1604-client:~# lspci
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge 
(AGP disabled) (rev 03)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual VGA
00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 
[FasterNet] (rev 20)

2. Then boot the same VM with same configuration on: 4.4.0-63-generic,
VF shows up.

root@ubuntu1604-client:~# uname -r
4.4.0-63-generic
root@ubuntu1604-client:~# lspci
:00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host 
bridge (AGP disabled) (rev 03)
:00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
:00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
:00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
:00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual 
VGA
:00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 
[FasterNet] (rev 20)
99b2:00:02.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family 
[ConnectX-3/ConnectX-3 Pro Virtual Function]  <=== this is the VF device

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Yes, it might be best to have a separate bug.  That way we can track it
seperatly, since these patches were already committed.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Yes, I am requesting it. It will be submitted upstream soon (although
there's a 32 vCPU problem still being investigated). Should I open a
separate bug since the rest of the work has been committed?

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Hi Josh,

Are you also requesting the fifth patch posted in comment #15?

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Ubuntu Foundations Team Bug Bot]

** Tags added: patch

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

We are testing the kernel in comment #14 and will revert as soon as
possible.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

The following patch to mlx4_core fixes a problem with 16 or more vCPUs
with Hyper-V and guest RDMA is disabled (as is the case with SR-IOV in
Azure). Microsoft has smoke tested 16 and 20 CPU cases today.

** Patch added: 
"0001-net-mlx4_core-Use-cq-quota-in-SRIOV-when-creating-co.patch"
   
https://bugs.launchpad.net/ubuntu/xenial/+source/linux/+bug/1650058/+attachment/4821109/+files/0001-net-mlx4_core-Use-cq-quota-in-SRIOV-when-creating-co.patch

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Tim Gardner]

** Changed in: linux (Ubuntu Xenial)
   Status: In Progress => Fix Committed

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

Thanks for the update, Josh.  I built a test kernel based on -64 with
the patches from both bugs.  It is available in the same location:


http://kernel.ubuntu.com/~jsalisbury/lp1650058Andlp1665097/

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

The -63 in proposed has other prerequisites for SR-IOV in Azure:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1650059 and
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1657540

Since -64 is newer, and going GA on Monday I hope, it's best to go with
that one.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

The patches were applied to the current kernel in -updates for testing.
4.4.0-63 is what is in -proposed(Proposed is actually now up to -64).
The patches will be applied to whichever version is in proposed.

I can build you a -63 or -64 kernel with the patches if you want?

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Hrm, 4.4.0-62? We need the prerequisite merges in 4.4.0-63.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

I build a Xenial test kernel with all seven patches from both bug
reports.  The test kernel can be downloaded from:

http://kernel.ubuntu.com/~jsalisbury/lp1650058Andlp1665097/

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

I built a Xenial test kernel with the four patches. The test kernel can
be downloaded from:

http://kernel.ubuntu.com/~jsalisbury/lp1650058/xenial/

Can you test this kernel and see if it resolves this bug?

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Mellanox just sent me another one:
6496bbf0ec48 net/mlx4_en: Fix bad WQE issue

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Status: Triaged => In Progress

** Changed in: linux (Ubuntu Xenial)
   Status: Triaged => In Progress

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

** Changed in: linux (Ubuntu Xenial)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Mellanox has told me that the following three commits are needed for SR-IOV in 
Azure:
1.  d585df1c5ccf net/mlx4_core: Avoid command timeouts during VF driver 
device shutdown
2.  7c3945bc2073 net/mlx4_core: Fix when to save some qp context flags for 
dynamic VST to VGT transitions
3.  291c566a2891 net/mlx4_core: Fix racy CQ (Completion Queue) free

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Mellanox assures us that all the ConnectX3 drivers are upstream now, so
I will switch focus on the kernel side to integrating those once I have
the commits. DPDK however has userspace which come from this repo:
http://linux.mellanox.com/public/repo/mlnx_rdma_minimal/3.4-2.0.5.0/

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Tim Gardner]

Joshua - I looked at mlnx-ofed-kernel-
dkms_3.4-OFED.3.4.2.0.0.1.g30039f7_all.deb in some detail. It appears
that nearly all of the drivers contained therein are replacements for
existing drivers in the linux v4.4 kernel. Even without looking at the
code for these replacement drivers, I can say that a patch series
integrating these changes will certainly _not_ qualify under the Ubuntu
SRU policy. There are a number of consumers of the Mellanox Infiniband
stack for which these changes might cause regression.

We could certainly merge these changes in an Azure specific kernel or
flavor, but not as part of the generic distribution kernel binary.

rtg

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

Mellanox has pointed me to a repository that has the minimal set of
drivers and utilities needed for SR-IOV (and, eventually, DPDK).
Consider the "mlnx_rdma_minimal" repository, here:
http://linux.mellanox.com/public/repo/mlnx_rdma_minimal/

I am requesting the latest 64-bit drivers and userspace for Azure
images, here:
http://linux.mellanox.com/public/repo/mlnx_rdma_minimal/3.4-2.0.0.0/ubuntu16.04/x86_64/

and here if we want to apply to the yakkety kernel:
http://linux.mellanox.com/public/repo/mlnx_rdma_minimal/3.4-2.0.0.0/ubuntu16.10/x86_64/

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

I'll pester Mellanox on that. Thanks!

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Tim Gardner]

Joshua - I'm not sure we can include this driver since it requires a
EULA -
http://www.mellanox.com/page/mlnx_ofed_eula?mtag=linux_sw_drivers=downloads=ofed=MLNX_OFED-3.4-2.0.0.0=MLNX_OFED_LINUX-3.4-2.0.0.0-ubuntu16.04-x86_64.tgz

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

** Description changed:

  In order to have the correct VF driver to support SR-IOV in Azure, the
  Mellanox OFED distribution needs to be included in the kernel and the
  image. Mellanox's drivers are not upstream, but they are available from
  here:
  
  
https://www.mellanox.com/page/products_dyn?product_family=26=linux_sw_drivers=3nnhohirh5htv6dnp1uk7tf487
  
  While this configuration is not explicitly listed as supported in the
  release notes, Microsoft and Mellanox engineers are working on the
- corresponding Windows Server 216 PF driver to support this VF driver in
+ corresponding Windows Server 2016 PF driver to support this VF driver in
  operation in Ubuntu guests.
  
  I file file a corresponding rebase request to pick up the PCI
  passthrough and other SR-IOV work done for the Hyper-V capabilities in
  the upstream 4.9 kernel.
  
  Only 64-bit support for Ubuntu 16.04's HWE kernel is needed.

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Xenial)
   Status: New => Triaged

** Changed in: linux (Ubuntu)
   Status: Confirmed => Triaged

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Medium

** Tags added: kernel-da-key kernel-hyper-v xenial

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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[Bug 1650058] Re: [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

[Joshua R. Poulson]

** Summary changed:

- Please include Mellanox OFED drivers in Azure kernel and image
+ [Hyper-V/Azure] Please include Mellanox OFED drivers in Azure kernel and image

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