Ok thanks.  Will remember the same.  Right now, I will not specify anything
as I have to get this to work first!

On Tue, Mar 28, 2017 at 2:00 PM, Bodireddy, Bhanuprakash <
[email protected]> wrote:

> >Question:
> >
> >I don't have any specific cpu cores associated with DPDK.  Will this make
> any
> >difference?  I also did not see this requirement as a MUST have in the
> >documentation.
>
> I assume your question is on PMD threads. If you don’t specify any thing
> explicitly
> PMD pmd thread shall be created and pinned to core 0.  You can explicitly
> select the no. of pmd threads
> and the cores by explicitly setting the affinity mask using
> 'other_config:pmd-cpu-mask'.
>
> Based on the affinity mask, the PMD threads shall be spawned and the rx
> queues will be uniformly
> distributed among the PMD threads.
>
> Refer http://docs.openvswitch.org/en/latest/howto/dpdk/.
>
> Also note that 'dpdk-lcore-mask' should be used to set the dpdk lcore
> threads and vswitchd.
>
> - Bhanuprakash.
>
> >
> ># cat /proc/cmdline
> >BOOT_IMAGE=/boot/vmlinuz-4.10.0-14-generic root=/dev/mapper/intelsdn-
> >-vg-root ro quiet intel_iommu=on iommu=pt default_hugepagesz=1G
> >hugepagesz=1G hugepages=4
> >
> >
> >Thanks
> >
> >/Shivaram
> >
> >On Tue, Mar 28, 2017 at 1:32 PM, Shivaram Mysore
> ><[email protected]> wrote:
> >I was advised on this mailing list that VFIO drivers are better than
> IGB_UIO +
> >more forgiving [1].  Hence switched to the same.
> >
> >[1] http://dpdk-guide.gitlab.io/dpdk-guide/setup/binding.html
> >
> >/Shivaram
> >
> >On Tue, Mar 28, 2017 at 1:12 PM, Bodireddy, Bhanuprakash
> ><[email protected]> wrote:
> >
> >>any hints for me based on the info provided?
> >
> >Your BIOS options and bootcmd line options are appropriate and no issues
> >there. I wanted to check if you tried igb_uio drivers
> >but saw your post here https://mail.openvswitch.org/pipermail/ovs-
> >discuss/2017-March/043993.html, reporting a crash with UIO drivers.
> >
> >Is that the reason why you moved to VFIO? I cross checked your logs but
> >found nothing suspicious there.
> >
> >-Bhanuprakash.
> >
> >>
> >>Thanks
> >>
> >>On Tue, Mar 28, 2017 at 8:41 AM, Shivaram Mysore
> >><[email protected]> wrote:
> >>Hi,
> >>
> >># dmesg | grep -e DMAR -e IOMMU
> >>[    0.000000] ACPI: DMAR 0x00000000798AF340 000158 (v01 SUPERM SMCI--
> >>MB 00000001 INTL 20091013)
> >>[    0.000000] DMAR: IOMMU enabled
> >>[    0.109987] DMAR: Host address width 46
> >>[    0.109988] DMAR: DRHD base: 0x000000fbffc000 flags: 0x0
> >>[    0.109997] DMAR: dmar0: reg_base_addr fbffc000 ver 1:0 cap
> >>d2078c106f0466 ecap f020de
> >>[    0.109998] DMAR: DRHD base: 0x000000c7ffc000 flags: 0x1
> >>[    0.110002] DMAR: dmar1: reg_base_addr c7ffc000 ver 1:0 cap
> >>d2078c106f0466 ecap f020de
> >>[    0.110003] DMAR: RMRR base: 0x0000007ba75000 end: 0x0000007ba84fff
> >>[    0.110004] DMAR: ATSR flags: 0x0
> >>[    0.110005] DMAR: RHSA base: 0x000000c7ffc000 proximity domain: 0x0
> >>[    0.110006] DMAR: RHSA base: 0x000000fbffc000 proximity domain: 0x1
> >>[    0.110008] DMAR-IR: IOAPIC id 3 under DRHD base  0xfbffc000 IOMMU 0
> >>[    0.110008] DMAR-IR: IOAPIC id 1 under DRHD base  0xc7ffc000 IOMMU 1
> >>[    0.110009] DMAR-IR: IOAPIC id 2 under DRHD base  0xc7ffc000 IOMMU 1
> >>[    0.110010] DMAR-IR: HPET id 0 under DRHD base 0xc7ffc000
> >>[    0.110011] DMAR-IR: x2apic is disabled because BIOS sets x2apic opt
> out
> >bit.
> >>[    0.110012] DMAR-IR: Use 'intremap=no_x2apic_optout' to override the
> >>BIOS setting.
> >>[    0.110902] DMAR-IR: Enabled IRQ remapping in xapic mode
> >>[    1.687595] DMAR: dmar0: Using Queued invalidation
> >>[    1.687608] DMAR: dmar1: Using Queued invalidation
> >>[    1.688473] DMAR: Hardware identity mapping for device 0000:ff:08.0
> >>[    1.688475] DMAR: Hardware identity mapping for device 0000:ff:08.2
> >>[    1.688477] DMAR: Hardware identity mapping for device 0000:ff:08.3
> >>[    1.688478] DMAR: Hardware identity mapping for device 0000:ff:09.0
> >>[    1.688480] DMAR: Hardware identity mapping for device 0000:ff:09.2
> >>[    1.688482] DMAR: Hardware identity mapping for device 0000:ff:09.3
> >>[    1.688483] DMAR: Hardware identity mapping for device 0000:ff:0b.0
> >>[    1.688485] DMAR: Hardware identity mapping for device 0000:ff:0b.1
> >>[    1.688487] DMAR: Hardware identity mapping for device 0000:ff:0b.2
> >>[    1.688488] DMAR: Hardware identity mapping for device 0000:ff:0c.0
> >>[    1.688490] DMAR: Hardware identity mapping for device 0000:ff:0c.1
> >>[    1.688491] DMAR: Hardware identity mapping for device 0000:ff:0c.2
> >>[    1.688493] DMAR: Hardware identity mapping for device 0000:ff:0c.3
> >>[    1.688494] DMAR: Hardware identity mapping for device 0000:ff:0c.4
> >>[    1.688496] DMAR: Hardware identity mapping for device 0000:ff:0c.5
> >>[    1.688498] DMAR: Hardware identity mapping for device 0000:ff:0c.6
> >>[    1.688499] DMAR: Hardware identity mapping for device 0000:ff:0c.7
> >>[    1.688500] DMAR: Hardware identity mapping for device 0000:ff:0d.0
> >>[    1.688502] DMAR: Hardware identity mapping for device 0000:ff:0d.1
> >>[    1.688504] DMAR: Hardware identity mapping for device 0000:ff:0d.2
> >>[    1.688505] DMAR: Hardware identity mapping for device 0000:ff:0d.3
> >>[    1.688506] DMAR: Hardware identity mapping for device 0000:ff:0d.4
> >>[    1.688508] DMAR: Hardware identity mapping for device 0000:ff:0d.5
> >>[    1.688509] DMAR: Hardware identity mapping for device 0000:ff:0d.6
> >>[    1.688510] DMAR: Hardware identity mapping for device 0000:ff:0d.7
> >>[    1.688511] DMAR: Hardware identity mapping for device 0000:ff:0e.0
> >>[    1.688513] DMAR: Hardware identity mapping for device 0000:ff:0e.1
> >>[    1.688514] DMAR: Hardware identity mapping for device 0000:ff:0f.0
> >>[    1.688516] DMAR: Hardware identity mapping for device 0000:ff:0f.1
> >>[    1.688517] DMAR: Hardware identity mapping for device 0000:ff:0f.2
> >>[    1.688518] DMAR: Hardware identity mapping for device 0000:ff:0f.3
> >>[    1.688520] DMAR: Hardware identity mapping for device 0000:ff:0f.4
> >>[    1.688521] DMAR: Hardware identity mapping for device 0000:ff:0f.5
> >>[    1.688523] DMAR: Hardware identity mapping for device 0000:ff:0f.6
> >>[    1.688524] DMAR: Hardware identity mapping for device 0000:ff:10.0
> >>[    1.688526] DMAR: Hardware identity mapping for device 0000:ff:10.1
> >>[    1.688527] DMAR: Hardware identity mapping for device 0000:ff:10.5
> >>[    1.688529] DMAR: Hardware identity mapping for device 0000:ff:10.6
> >>[    1.688530] DMAR: Hardware identity mapping for device 0000:ff:10.7
> >>[    1.688532] DMAR: Hardware identity mapping for device 0000:ff:12.0
> >>[    1.688533] DMAR: Hardware identity mapping for device 0000:ff:12.1
> >>[    1.688534] DMAR: Hardware identity mapping for device 0000:ff:12.4
> >>[    1.688536] DMAR: Hardware identity mapping for device 0000:ff:12.5
> >>[    1.688537] DMAR: Hardware identity mapping for device 0000:ff:13.0
> >>[    1.688539] DMAR: Hardware identity mapping for device 0000:ff:13.1
> >>[    1.688541] DMAR: Hardware identity mapping for device 0000:ff:13.2
> >>[    1.688542] DMAR: Hardware identity mapping for device 0000:ff:13.3
> >>[    1.688543] DMAR: Hardware identity mapping for device 0000:ff:13.6
> >>[    1.688545] DMAR: Hardware identity mapping for device 0000:ff:13.7
> >>[    1.688546] DMAR: Hardware identity mapping for device 0000:ff:14.0
> >>[    1.688547] DMAR: Hardware identity mapping for device 0000:ff:14.1
> >>[    1.688549] DMAR: Hardware identity mapping for device 0000:ff:14.2
> >>[    1.688550] DMAR: Hardware identity mapping for device 0000:ff:14.3
> >>[    1.688552] DMAR: Hardware identity mapping for device 0000:ff:14.4
> >>[    1.688553] DMAR: Hardware identity mapping for device 0000:ff:14.5
> >>[    1.688559] DMAR: Hardware identity mapping for device 0000:ff:14.6
> >>[    1.688561] DMAR: Hardware identity mapping for device 0000:ff:14.7
> >>[    1.688562] DMAR: Hardware identity mapping for device 0000:ff:16.0
> >>[    1.688564] DMAR: Hardware identity mapping for device 0000:ff:16.1
> >>[    1.688565] DMAR: Hardware identity mapping for device 0000:ff:16.2
> >>[    1.688566] DMAR: Hardware identity mapping for device 0000:ff:16.3
> >>[    1.688568] DMAR: Hardware identity mapping for device 0000:ff:16.6
> >>[    1.688569] DMAR: Hardware identity mapping for device 0000:ff:16.7
> >>[    1.688571] DMAR: Hardware identity mapping for device 0000:ff:17.0
> >>[    1.688573] DMAR: Hardware identity mapping for device 0000:ff:17.1
> >>[    1.688574] DMAR: Hardware identity mapping for device 0000:ff:17.2
> >>[    1.688576] DMAR: Hardware identity mapping for device 0000:ff:17.3
> >>[    1.688577] DMAR: Hardware identity mapping for device 0000:ff:17.4
> >>[    1.688579] DMAR: Hardware identity mapping for device 0000:ff:17.5
> >>[    1.688581] DMAR: Hardware identity mapping for device 0000:ff:17.6
> >>[    1.688582] DMAR: Hardware identity mapping for device 0000:ff:17.7
> >>[    1.688584] DMAR: Hardware identity mapping for device 0000:ff:1e.0
> >>[    1.688586] DMAR: Hardware identity mapping for device 0000:ff:1e.1
> >>[    1.688588] DMAR: Hardware identity mapping for device 0000:ff:1e.2
> >>[    1.688590] DMAR: Hardware identity mapping for device 0000:ff:1e.3
> >>[    1.688592] DMAR: Hardware identity mapping for device 0000:ff:1e.4
> >>[    1.688594] DMAR: Hardware identity mapping for device 0000:ff:1f.0
> >>[    1.688596] DMAR: Hardware identity mapping for device 0000:ff:1f.2
> >>[    1.688610] DMAR: Hardware identity mapping for device 0000:7f:08.0
> >>[    1.688612] DMAR: Hardware identity mapping for device 0000:7f:08.2
> >>[    1.688614] DMAR: Hardware identity mapping for device 0000:7f:08.3
> >>[    1.688616] DMAR: Hardware identity mapping for device 0000:7f:09.0
> >>[    1.688617] DMAR: Hardware identity mapping for device 0000:7f:09.2
> >>[    1.688619] DMAR: Hardware identity mapping for device 0000:7f:09.3
> >>[    1.688621] DMAR: Hardware identity mapping for device 0000:7f:0b.0
> >>[    1.688623] DMAR: Hardware identity mapping for device 0000:7f:0b.1
> >>[    1.688625] DMAR: Hardware identity mapping for device 0000:7f:0b.2
> >>[    1.688627] DMAR: Hardware identity mapping for device 0000:7f:0c.0
> >>[    1.688629] DMAR: Hardware identity mapping for device 0000:7f:0c.1
> >>[    1.688631] DMAR: Hardware identity mapping for device 0000:7f:0c.2
> >>[    1.688632] DMAR: Hardware identity mapping for device 0000:7f:0c.3
> >>[    1.688634] DMAR: Hardware identity mapping for device 0000:7f:0c.4
> >>[    1.688636] DMAR: Hardware identity mapping for device 0000:7f:0c.5
> >>[    1.688637] DMAR: Hardware identity mapping for device 0000:7f:0c.6
> >>[    1.688639] DMAR: Hardware identity mapping for device 0000:7f:0c.7
> >>[    1.688641] DMAR: Hardware identity mapping for device 0000:7f:0d.0
> >>[    1.688642] DMAR: Hardware identity mapping for device 0000:7f:0d.1
> >>[    1.688644] DMAR: Hardware identity mapping for device 0000:7f:0d.2
> >>[    1.688646] DMAR: Hardware identity mapping for device 0000:7f:0d.3
> >>[    1.688647] DMAR: Hardware identity mapping for device 0000:7f:0d.4
> >>[    1.688649] DMAR: Hardware identity mapping for device 0000:7f:0d.5
> >>[    1.688650] DMAR: Hardware identity mapping for device 0000:7f:0d.6
> >>[    1.688652] DMAR: Hardware identity mapping for device 0000:7f:0d.7
> >>[    1.688653] DMAR: Hardware identity mapping for device 0000:7f:0e.0
> >>[    1.688655] DMAR: Hardware identity mapping for device 0000:7f:0e.1
> >>[    1.688657] DMAR: Hardware identity mapping for device 0000:7f:0f.0
> >>[    1.688658] DMAR: Hardware identity mapping for device 0000:7f:0f.1
> >>[    1.688660] DMAR: Hardware identity mapping for device 0000:7f:0f.2
> >>[    1.688661] DMAR: Hardware identity mapping for device 0000:7f:0f.3
> >>[    1.688663] DMAR: Hardware identity mapping for device 0000:7f:0f.4
> >>[    1.688664] DMAR: Hardware identity mapping for device 0000:7f:0f.5
> >>[    1.688666] DMAR: Hardware identity mapping for device 0000:7f:0f.6
> >>[    1.688668] DMAR: Hardware identity mapping for device 0000:7f:10.0
> >>[    1.688669] DMAR: Hardware identity mapping for device 0000:7f:10.1
> >>[    1.688671] DMAR: Hardware identity mapping for device 0000:7f:10.5
> >>[    1.688673] DMAR: Hardware identity mapping for device 0000:7f:10.6
> >>[    1.688674] DMAR: Hardware identity mapping for device 0000:7f:10.7
> >>[    1.688676] DMAR: Hardware identity mapping for device 0000:7f:12.0
> >>[    1.688678] DMAR: Hardware identity mapping for device 0000:7f:12.1
> >>[    1.688684] DMAR: Hardware identity mapping for device 0000:7f:12.4
> >>[    1.688686] DMAR: Hardware identity mapping for device 0000:7f:12.5
> >>[    1.688688] DMAR: Hardware identity mapping for device 0000:7f:13.0
> >>[    1.688689] DMAR: Hardware identity mapping for device 0000:7f:13.1
> >>[    1.688691] DMAR: Hardware identity mapping for device 0000:7f:13.2
> >>[    1.688692] DMAR: Hardware identity mapping for device 0000:7f:13.3
> >>[    1.688694] DMAR: Hardware identity mapping for device 0000:7f:13.6
> >>[    1.688696] DMAR: Hardware identity mapping for device 0000:7f:13.7
> >>[    1.688697] DMAR: Hardware identity mapping for device 0000:7f:14.0
> >>[    1.688699] DMAR: Hardware identity mapping for device 0000:7f:14.1
> >>[    1.688701] DMAR: Hardware identity mapping for device 0000:7f:14.2
> >>[    1.688703] DMAR: Hardware identity mapping for device 0000:7f:14.3
> >>[    1.688704] DMAR: Hardware identity mapping for device 0000:7f:14.4
> >>[    1.688706] DMAR: Hardware identity mapping for device 0000:7f:14.5
> >>[    1.688708] DMAR: Hardware identity mapping for device 0000:7f:14.6
> >>[    1.688710] DMAR: Hardware identity mapping for device 0000:7f:14.7
> >>[    1.688712] DMAR: Hardware identity mapping for device 0000:7f:16.0
> >>[    1.688714] DMAR: Hardware identity mapping for device 0000:7f:16.1
> >>[    1.688716] DMAR: Hardware identity mapping for device 0000:7f:16.2
> >>[    1.688718] DMAR: Hardware identity mapping for device 0000:7f:16.3
> >>[    1.688720] DMAR: Hardware identity mapping for device 0000:7f:16.6
> >>[    1.688722] DMAR: Hardware identity mapping for device 0000:7f:16.7
> >>[    1.688724] DMAR: Hardware identity mapping for device 0000:7f:17.0
> >>[    1.688726] DMAR: Hardware identity mapping for device 0000:7f:17.1
> >>[    1.688729] DMAR: Hardware identity mapping for device 0000:7f:17.2
> >>[    1.688731] DMAR: Hardware identity mapping for device 0000:7f:17.3
> >>[    1.688733] DMAR: Hardware identity mapping for device 0000:7f:17.4
> >>[    1.688735] DMAR: Hardware identity mapping for device 0000:7f:17.5
> >>[    1.688737] DMAR: Hardware identity mapping for device 0000:7f:17.6
> >>[    1.688739] DMAR: Hardware identity mapping for device 0000:7f:17.7
> >>[    1.688741] DMAR: Hardware identity mapping for device 0000:7f:1e.0
> >>[    1.688742] DMAR: Hardware identity mapping for device 0000:7f:1e.1
> >>[    1.688744] DMAR: Hardware identity mapping for device 0000:7f:1e.2
> >>[    1.688746] DMAR: Hardware identity mapping for device 0000:7f:1e.3
> >>[    1.688748] DMAR: Hardware identity mapping for device 0000:7f:1e.4
> >>[    1.688750] DMAR: Hardware identity mapping for device 0000:7f:1f.0
> >>[    1.688752] DMAR: Hardware identity mapping for device 0000:7f:1f.2
> >>[    1.688769] DMAR: Hardware identity mapping for device 0000:00:00.0
> >>[    1.688774] DMAR: Hardware identity mapping for device 0000:00:01.0
> >>[    1.688778] DMAR: Hardware identity mapping for device 0000:00:01.1
> >>[    1.688783] DMAR: Hardware identity mapping for device 0000:00:03.0
> >>[    1.688785] DMAR: Hardware identity mapping for device 0000:00:04.0
> >>[    1.688787] DMAR: Hardware identity mapping for device 0000:00:04.1
> >>[    1.688790] DMAR: Hardware identity mapping for device 0000:00:04.2
> >>[    1.688792] DMAR: Hardware identity mapping for device 0000:00:04.3
> >>[    1.688794] DMAR: Hardware identity mapping for device 0000:00:04.4
> >>[    1.688797] DMAR: Hardware identity mapping for device 0000:00:04.5
> >>[    1.688799] DMAR: Hardware identity mapping for device 0000:00:04.6
> >>[    1.688801] DMAR: Hardware identity mapping for device 0000:00:04.7
> >>[    1.688803] DMAR: Hardware identity mapping for device 0000:00:05.0
> >>[    1.688807] DMAR: Hardware identity mapping for device 0000:00:05.1
> >>[    1.688809] DMAR: Hardware identity mapping for device 0000:00:05.2
> >>[    1.688811] DMAR: Hardware identity mapping for device 0000:00:05.4
> >>[    1.688814] DMAR: Hardware identity mapping for device 0000:00:11.0
> >>[    1.688816] DMAR: Hardware identity mapping for device 0000:00:11.4
> >>[    1.688818] DMAR: Hardware identity mapping for device 0000:00:14.0
> >>[    1.688821] DMAR: Hardware identity mapping for device 0000:00:16.0
> >>[    1.688823] DMAR: Hardware identity mapping for device 0000:00:16.1
> >>[    1.688825] DMAR: Hardware identity mapping for device 0000:00:1a.0
> >>[    1.688828] DMAR: Hardware identity mapping for device 0000:00:1c.0
> >>[    1.688831] DMAR: Hardware identity mapping for device 0000:00:1c.2
> >>[    1.688833] DMAR: Hardware identity mapping for device 0000:00:1d.0
> >>[    1.688835] DMAR: Hardware identity mapping for device 0000:00:1f.0
> >>[    1.688837] DMAR: Hardware identity mapping for device 0000:00:1f.2
> >>[    1.688844] DMAR: Hardware identity mapping for device 0000:00:1f.3
> >>[    1.688846] DMAR: Hardware identity mapping for device 0000:00:1f.6
> >>[    1.688864] DMAR: Hardware identity mapping for device 0000:01:00.0
> >>[    1.688870] DMAR: Hardware identity mapping for device 0000:01:00.1
> >>[    1.688876] DMAR: Hardware identity mapping for device 0000:01:00.2
> >>[    1.688883] DMAR: Hardware identity mapping for device 0000:01:00.3
> >>[    1.688895] DMAR: Hardware identity mapping for device 0000:80:01.0
> >>[    1.688899] DMAR: Hardware identity mapping for device 0000:80:02.0
> >>[    1.688903] DMAR: Hardware identity mapping for device 0000:80:03.0
> >>[    1.688906] DMAR: Hardware identity mapping for device 0000:80:04.0
> >>[    1.688908] DMAR: Hardware identity mapping for device 0000:80:04.1
> >>[    1.688911] DMAR: Hardware identity mapping for device 0000:80:04.2
> >>[    1.688913] DMAR: Hardware identity mapping for device 0000:80:04.3
> >>[    1.688915] DMAR: Hardware identity mapping for device 0000:80:04.4
> >>[    1.688918] DMAR: Hardware identity mapping for device 0000:80:04.5
> >>[    1.688920] DMAR: Hardware identity mapping for device 0000:80:04.6
> >>[    1.688923] DMAR: Hardware identity mapping for device 0000:80:04.7
> >>[    1.688936] DMAR: Hardware identity mapping for device 0000:80:05.0
> >>[    1.688940] DMAR: Hardware identity mapping for device 0000:80:05.1
> >>[    1.688943] DMAR: Hardware identity mapping for device 0000:80:05.2
> >>[    1.688945] DMAR: Hardware identity mapping for device 0000:80:05.4
> >>[    1.688956] DMAR: Hardware identity mapping for device 0000:81:00.0
> >>[    1.688961] DMAR: Hardware identity mapping for device 0000:81:00.1
> >>[    1.688974] DMAR: Hardware identity mapping for device 0000:82:00.0
> >>[    1.688980] DMAR: Hardware identity mapping for device 0000:82:00.1
> >>[    1.688986] DMAR: Hardware identity mapping for device 0000:82:00.2
> >>[    1.688992] DMAR: Hardware identity mapping for device 0000:82:00.3
> >>[    1.689006] DMAR: Hardware identity mapping for device 0000:83:00.0
> >>[    1.689012] DMAR: Hardware identity mapping for device 0000:83:00.1
> >>[    1.689018] DMAR: Hardware identity mapping for device 0000:83:00.2
> >>[    1.689024] DMAR: Hardware identity mapping for device 0000:83:00.3
> >>[    1.689025] DMAR: Setting RMRR:
> >>[    1.689026] DMAR: Ignoring identity map for HW passthrough device
> >>0000:00:14.0 [0x7ba75000 - 0x7ba84fff]
> >>[    1.689027] DMAR: Ignoring identity map for HW passthrough device
> >>0000:00:1a.0 [0x7ba75000 - 0x7ba84fff]
> >>[    1.689028] DMAR: Ignoring identity map for HW passthrough device
> >>0000:00:1d.0 [0x7ba75000 - 0x7ba84fff]
> >>[    1.689036] DMAR: Prepare 0-16MiB unity mapping for LPC
> >>[    1.689036] DMAR: Ignoring identity map for HW passthrough device
> >>0000:00:1f.0 [0x0 - 0xffffff]
> >>[    1.689040] DMAR: Intel(R) Virtualization Technology for Directed I/O
> >>[    2.299766] DMAR: 32bit 0000:00:11.4 uses non-identity mapping
> >>[    2.301941] DMAR: 32bit 0000:00:1a.0 uses non-identity mapping
> >>[    2.302679] DMAR: Setting identity map for device 0000:00:1a.0
> [0x7ba75000
> >-
> >>0x7ba84fff]
> >>[    2.320910] DMAR: 32bit 0000:00:1d.0 uses non-identity mapping
> >>[    2.321685] DMAR: Setting identity map for device 0000:00:1d.0
> >[0x7ba75000
> >>- 0x7ba84fff]
> >>#
> >>
> >>
> >>On Tue, Mar 28, 2017 at 1:46 AM, Bodireddy, Bhanuprakash
> >><[email protected]> wrote:
> >>Hello shivaram,
> >>
> >>Darrell has already asked if VT-d is enabled?
> >>Your cmdline options are appropriate as you have iommu
> >>enabled(intel_iommu=on iommu=pt).
> >>can you also check the output of below mentioned command to see if VT-d
> >is
> >>enabled in BIOS?
> >>
> >>$ dmesg | grep -e DMAR -e IOMMU
> >>
> >>Regards,
> >>Bhanuprakash.
> >>
> >>From: [email protected] [mailto:ovs-discuss-
> >>[email protected]] On Behalf Of Shivaram Mysore
> >>Sent: Tuesday, March 28, 2017 6:25 AM
> >>To: Darrell Ball <[email protected]>
> >>Cc: [email protected]
> >>Subject: Re: [ovs-discuss] Error attaching device to DPDK
> >>
> >># uname -r
> >>4.10.0-14-generic
> >>
> >># cat /proc/cmdline
> >>BOOT_IMAGE=/boot/vmlinuz-4.10.0-14-generic
> >root=/dev/mapper/intelsdn-
> >>-vg-root ro quiet intel_iommu=on iommu=pt default_hugepagesz=1G
> >>hugepagesz=1G hugepages=4
> >>
> >># uname -a
> >>Linux intelsdn 4.10.0-14-generic #16-Ubuntu SMP Fri Mar 17 15:19:26 UTC
> >2017
> >>x86_64 x86_64 x86_64 GNU/Linux
> >>
> >># cat /etc/*release
> >>DISTRIB_ID=Ubuntu
> >>DISTRIB_RELEASE=17.04
> >>DISTRIB_CODENAME=zesty
> >>DISTRIB_DESCRIPTION="Ubuntu Zesty Zapus (development branch)"
> >>NAME="Ubuntu"
> >>VERSION="17.04 (Zesty Zapus)"
> >>ID=ubuntu
> >>ID_LIKE=debian
> >>PRETTY_NAME="Ubuntu Zesty Zapus (development branch)"
> >>VERSION_ID="17.04"
> >>
> >>
> >>Nothing in the syslog related
> >>
> >>On Mon, Mar 27, 2017 at 10:02 PM, Darrell Ball <[email protected]> wrote:
> >>I see the pastebins now.
> >>
> >>What kernel version are you using ?
> >>VT-d enabled ?
> >>Anything related in syslog ?
> >>
> >>From: Shivaram Mysore <[email protected]>
> >>Date: Monday, March 27, 2017 at 9:34 PM
> >>To: Darrell Ball <[email protected]>
> >>Cc: "[email protected]" <[email protected]>
> >>Subject: Re: [ovs-discuss] Error attaching device to DPDK
> >>
> >>One more datapoint, please check the paste bin log in URL sent
> >earlier.  Dpdk-
> >>devbind works and you can see results in the paste bin log
> >>
> >>/Shivaram
> >>::Sent from my mobile device::
> >>
> >>On Mar 27, 2017, at 8:34 PM, Darrell Ball <[email protected]> wrote:
> >>see inline below
> >>
> >>But a few questions:
> >>1)      Are you using the recommended version of dpdk with OVS 2.7 –
> 16.11 ?
> >>2)      Are you getting a crash still or is this post crash ?
> >>3)      Was the previous crash still happening with 16.11 or only 17.02 ?
> >>
> >>Thanks
> >>Darrell
> >>
> >>From: <[email protected]> on behalf of Shivaram
> >>Mysore <[email protected]>
> >>Date: Monday, March 27, 2017 at 7:45 PM
> >>To: "[email protected]" <[email protected]>
> >>Subject: [ovs-discuss] Error attaching device to DPDK
> >>
> >>Hello,
> >>
> >>I have installed OVS 2.7 running.  When I do:
> >>1.      # ovs-vsctl add-port ovs-ip64-br0 dpdk-p0 -- set Interface
> dpdk-p0
> >>type=dpdk options:dpdk-devargs=0000:82:00.0
> >>2.      ovs-vsctl: Error detected while setting up 'dpdk-p0': Error
> attaching
> >>device '0000:82:00.0' to DPDK.  See ovs-vswitchd log for details.
> >>
> >>Possibly, the port is not bound.
> >>Check using
> >>$DPDK_DIR/tools/dpdk-devbind.py –status
> >>and see the documentation for more detail
> >>
> >>and the log file shows:
> >>1.      2017-03-28T02:04:40.004Z|00064|netdev_dpdk|WARN|Error attaching
> >>device '0000:82:00.0' to DPDK
> >>2.      2017-03-28T02:04:40.004Z|00065|netdev|WARN|dpdk-p0: could
> >>not set configuration (Invalid argument)
> >>
> >>What would cause such a situation?
> >>
> >>Commands run: https://pastebin.com/0P754x0t
> >>Detailed OVS Log: https://pastebin.com/ctBhLuRG
> >>
> >>
> >
>
>
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