Re: [dpdk-users] OS hang when running helloworld example with two I210 NICs

["Hunt, David" <david.hunt@intel.com>]

On 21/3/2017 1:59 PM, Hunt, David wrote:
>
>
> On 21/3/2017 1:17 PM, Hunt, David wrote:
>>
>>
>> On 21/3/2017 12:46 PM, Michal Michalowski wrote:
>>> Hi David,
>>>
>>> Here is the output of lscpi after NICs after the are configured for 
>>> DPDK:
>>>
>>> michal@michal-HP-Z200-Workstation:~$ sudo lspci -vs 18:00
>>> 18:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network 
>>> Connection (rev 03)
>>>          Subsystem: Intel Corporation Ethernet Server Adapter I210-T1
>>>          Physical Slot: 4
>>>          Flags: fast devsel, IRQ 16
>>>          Memory at f3300000 (32-bit, non-prefetchable) [size=1M]
>>>          Memory at f3400000 (32-bit, non-prefetchable) [size=16K]
>>>          [virtual] Expansion ROM at f8000000 [disabled] [size=1M]
>>>          Capabilities: [40] Power Management version 3
>>>          Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
>>>          Capabilities: [70] MSI-X: Enable- Count=5 Masked-
>>>          Capabilities: [a0] Express Endpoint, MSI 00
>>>          Capabilities: [100] Advanced Error Reporting
>>>          Capabilities: [140] Device Serial Number 
>>> a0-36-9f-ff-ff-d5-07-3b
>>>          Capabilities: [1a0] Transaction Processing Hints
>>>          Kernel driver in use: uio_pci_generic
>>>
>>> michal@michal-HP-Z200-Workstation:~$ sudo lspci -vs 24:00
>>> 24:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network 
>>> Connection (rev 03)
>>>          Subsystem: Intel Corporation Ethernet Server Adapter I210-T1
>>>          Physical Slot: 1
>>>          Flags: fast devsel, IRQ 16
>>>          Memory at f3100000 (32-bit, non-prefetchable) [size=1M]
>>>          Memory at f3200000 (32-bit, non-prefetchable) [size=16K]
>>>          [virtual] Expansion ROM at f8200000 [disabled] [size=1M]
>>>          Capabilities: [40] Power Management version 3
>>>          Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
>>>          Capabilities: [70] MSI-X: Enable- Count=5 Masked-
>>>          Capabilities: [a0] Express Endpoint, MSI 00
>>>          Capabilities: [100] Advanced Error Reporting
>>>          Capabilities: [140] Device Serial Number 
>>> a0-36-9f-ff-ff-d5-06-12
>>>          Capabilities: [1a0] Transaction Processing Hints
>>>          Kernel driver in use: uio_pci_generic
>>>
>>>
>>> Cheers,
>>> Michal
>>
>> Hi Michal,
>>     When I bind my interfaces to igb_uio, I maintain the bus master 
>> flag. Can you describe the hardware layout? Are you using any kind of 
>> PCI multiplexer/riser?
>>   Also, what is the output to 'lcpci -t'? That might give us some 
>> additional interesting information.
>> Regards,
>> Dave 
>
> Michal,
>    I looked a bit deeper into the specs of the HP-Z200 workstation. It 
> has only 1 PCI gen2, and the rest are PCI gen1. Only one of the 16x 
> slots is gen2.
> Could you confirm in which slots a single NIC will work? You can use 
> "lspci -vvv -s 18:00 | grep LinkSta" to see the speeds when its 
> installed.
> Does a single NIC work in all slots?
> Does it only work on the Gen2 16x slot?
> If you put 2 NICS in 2 gen1 slots, do any of them work?
> Regards,
> Dave.
>

Ignore this mail :)
I sent it before you replied saying the gen2 slot is used by the 
graphics card.

I'll look at the lspci -t output now.