[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Launchpad Bug Tracker]

This bug was fixed in the package dpdk - 2.2.0-0ubuntu5

---
dpdk (2.2.0-0ubuntu5) xenial; urgency=medium

  * d/t/test-initscripts fix issues regarding 1G hugepages
 - the dep8 was already taking care of 1G hugepages being not supported in
   some environments. But it was failing when supported, but not enough
   memory available.

 -- Christian Ehrhardt   Wed, 09 Mar
2016 17:19:24 +

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

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Launchpad Bug Tracker]

This bug was fixed in the package dpdk - 2.2.0-0ubuntu5

---
dpdk (2.2.0-0ubuntu5) xenial; urgency=medium

  * d/t/test-initscripts fix issues regarding 1G hugepages
 - the dep8 was already taking care of 1G hugepages being not supported in
   some environments. But it was failing when supported, but not enough
   memory available.

 -- Christian Ehrhardt   Wed, 09 Mar
2016 17:19:24 +

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

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https://bugs.launchpad.net/bugs/1554214

Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

FYI - fix is in the queue for review & upload.
This bug should get auto-updated once it gets through.

** Changed in: dpdk (Ubuntu)
   Status: Triaged => Fix Committed

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

FYI - fix is in the queue for review & upload.
This bug should get auto-updated once it gets through.

** Changed in: dpdk (Ubuntu)
   Status: Triaged => Fix Committed

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

The root cause is very easy - the "-" to "_" conversion in the scripts.
I'll have to discuss why that was added as it is from before my time.

I'll let you know about a solution.

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

The root cause is very easy - the "-" to "_" conversion in the scripts.
I'll have to discuss why that was added as it is from before my time.

I'll let you know about a solution.

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https://bugs.launchpad.net/bugs/1554214

Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

Hi - here a minor update

Regarding:
NOTE: To make it work manually, the module "vfio-pci" must be declared at 
"/etc/modules" as well.

Yes it is required to load the module before dpdk_nic_bind, if running manually 
you have to do it some way on your own e.g. /etc/modules.
If using the init scripts they will take care of it before calling 
dpdk_nic_bind.


Also regarding vfio in general there is a lot of things that can go wrong 
regarding the actual iommu setup.
I don't think that is your issue, but as FYI you might want to read into the 
references in this mail => 
http://dpdk.org/ml/archives/dev/2016-February/05.html

going on to try this on my machine now ...

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

Hi - here a minor update

Regarding:
NOTE: To make it work manually, the module "vfio-pci" must be declared at 
"/etc/modules" as well.

Yes it is required to load the module before dpdk_nic_bind, if running manually 
you have to do it some way on your own e.g. /etc/modules.
If using the init scripts they will take care of it before calling 
dpdk_nic_bind.


Also regarding vfio in general there is a lot of things that can go wrong 
regarding the actual iommu setup.
I don't think that is your issue, but as FYI you might want to read into the 
references in this mail => 
http://dpdk.org/ml/archives/dev/2016-February/05.html

going on to try this on my machine now ...

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https://bugs.launchpad.net/bugs/1554214

Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

Thanks for reporting.
As I'm currently testing and fixing all kind of this it matches what I do this 
week.
I just came not yet by vfio-pci, by that I have to thank you to make me aware.

I'll have a look at it and let you know.

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

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

** Changed in: dpdk (Ubuntu)
 Assignee: (unassigned) => ChristianEhrhardt (paelzer)

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[ChristianEhrhardt]

Thanks for reporting.
As I'm currently testing and fixing all kind of this it matches what I do this 
week.
I just came not yet by vfio-pci, by that I have to thank you to make me aware.

I'll have a look at it and let you know.

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

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

** Changed in: dpdk (Ubuntu)
 Assignee: (unassigned) => ChristianEhrhardt (paelzer)

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https://bugs.launchpad.net/bugs/1554214

Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Thiago Martins]

I also added:

--
default_hugepagesz=1GB hugepagesz=1G hugepages=1
--

To Grub Linux options, still doesn't work.

I think I am following
"https://github.com/openvswitch/ovs/blob/master/INSTALL.DPDK.md; but no
luck.

BTW, this isn't working on Ubuntu:

--
chmod a+x /dev/vfio
--

It just ignored it.

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Thiago Martins]

I also added:

--
default_hugepagesz=1GB hugepagesz=1G hugepages=1
--

To Grub Linux options, still doesn't work.

I think I am following
"https://github.com/openvswitch/ovs/blob/master/INSTALL.DPDK.md; but no
luck.

BTW, this isn't working on Ubuntu:

--
chmod a+x /dev/vfio
--

It just ignored it.

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https://bugs.launchpad.net/bugs/1554214

Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Thiago Martins]

I forgot to mention that, to make it work manually, I also enabled IOMMU
at boot, by appending the following option to Linux via GRUB2:

---
intel_iommu=on
---

Otherwise, the command `dpdk_nic_bind --bind=vfio-pci em1|em2` fails.

Best,
Thiago

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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[Bug 1554214] Re: Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

[Thiago Martins]

I forgot to mention that, to make it work manually, I also enabled IOMMU
at boot, by appending the following option to Linux via GRUB2:

---
intel_iommu=on
---

Otherwise, the command `dpdk_nic_bind --bind=vfio-pci em1|em2` fails.

Best,
Thiago

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Title:
  Usege of vfio-pci module via /etc/dpdk/interfaces doesn't work

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