Re: [dpdk-dev] Testpmd returns error.

[Bruce Richardson <bruce.richardson@intel.com>]

On Mon, Feb 23, 2015 at 11:33:45AM +0900, Tetsuya Mukawa wrote:
> On 2015/02/23 5:46, Bruce Richardson wrote:
> > On Sun, Feb 22, 2015 at 02:30:02PM +0900, Tetsuya Mukawa wrote:
> >> Hi,
> >>
> >> In my environment, testpmd in latest master branch returns error like below.
> >>
> >> $ sudo ./tools/dpdk_nic_bind.py -b igb_uio 0000:02:00.0
> >> $ sudo ./x86_64-native-linuxapp-gcc/app/testpmd -c f -n 1 -- -i
> >> EAL: Detected lcore 0 as core 0 on socket 0
> >> EAL: Detected lcore 1 as core 1 on socket 0
> >> EAL: Detected lcore 2 as core 2 on socket 0
> >> EAL: Detected lcore 3 as core 3 on socket 0
> >> EAL: Detected lcore 4 as core 4 on socket 0
> >> EAL: Detected lcore 5 as core 5 on socket 0
> >> EAL: Detected lcore 6 as core 6 on socket 0
> >> EAL: Detected lcore 7 as core 7 on socket 0
> >> EAL: Support maximum 128 logical core(s) by configuration.
> >> EAL: Detected 8 lcore(s)
> >> EAL: VFIO modules not all loaded, skip VFIO support...
> >> EAL: Setting up memory...
> >> EAL: Ask a virtual area of 0x280000000 bytes
> >> EAL: Virtual area found at 0x7ffd40000000 (size = 0x280000000)
> >> EAL: Requesting 10 pages of size 1024MB from socket 0
> >> EAL: TSC frequency is ~3991450 KHz
> >> EAL: Master core 0 is ready (tid=f7fd6840)
> >> PMD: ENICPMD trace: rte_enic_pmd_init
> >> EAL: Core 3 is ready (tid=f58e0700)
> >> EAL: Core 2 is ready (tid=f60e1700)
> >> EAL: Core 1 is ready (tid=f68e2700)
> >> EAL: PCI device 0000:02:00.0 on NUMA socket -1
> >> EAL:   probe driver: 8086:10b9 rte_em_pmd
> >> EAL:   PCI memory mapped at 0x7fffc0000000
> >> EAL: pci_map_resource(): cannot mmap(23, 0x7fffc0020000, 0x20000,
> >> 0x1000): Invalid argument (0xffffffffffffffff)
> >> EAL: Error - exiting with code: 1
> >>   Cause: Requested device 0000:02:00.0 cannot be used
> >>
> >>
> >> I've run git-bisect, and it seems following commit cause this error.
> >>
> >> commit 4a499c64959074ba6fa6a5a2b3a2a6aa10627fa1
> >> Author: Danny Zhou <danny.zhou@intel.com>
> >> Date:   Fri Feb 20 16:59:15 2015 +0000
> >>
> >>     eal/linux: enable uio_pci_generic support
> >>
> >> Someone, could you please check it?
> >>
> >> Thanks,
> >> Tetsuya
> >>
> > Hi Tetsuya,
> >
> > trying to reproduce the problem here, with no success so far with a mix of 1G
> > and 10G ports. Is there anything special about your environment that might 
> > especially trigger this issue? Is it a VM or running on the host machine etc.?
> 
> Hi Bruce,
> 
> I appreciate for your testing.
> 
> I've tried it on an another system, and I couldn't reproduce it.
> Could you please see below?
> 
> - The system I can reproduce the issue
> OS: Ubuntu14.04
> Kernel: Linux eris 3.13.0-30-generic
> CPU: AMD FX(tm)-8350 Eight-Core Processor
> NIC: Ethernet controller: Intel Corporation 82572EI Gigabit Ethernet
> Controller (Copper) (rev 06)
> 
> - The system I cannot reproduce the issue
> OS: ubuntu14.04
> Kernel: Linux ubuntu-igel 3.13.0-30-generic
> Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
> NIC: Ethernet controller: Intel Corporation I350 Gigabit Network
> Connection (rev 01)
> 
> I will check it more in next testing phase.
> Until then, I will use the system I cannot reproduce the issue.
> 
> Regards,
> Tetsuya
> 
> > Regards,
> > /Bruce
> >
>
Thanks Tetsuya,
Declan has managed to find a board here that can reproduce the issue so we 
are now investigating possible solutions.
/Bruce