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

[Hunt, David]

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.