[dpdk-dev] [DISCUSSION] : ERROR while running vhost example in dpdk-1.8

Srinivasreddy R srinivasreddy4390 at gmail.com
Fri Jan 30 07:01:17 CET 2015
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hi,

May be I am missing something regarding hugetlbfs .
I performed below steps for hugetlbfs .
I am running on Ubuntu 14.04.1 LTS.

cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic
root=UUID=628ff32b-dede-4b47-bd13-893c13c18d00 ro quiet splash
hugepagesz=2M hugepages=512 default_hugepagesz=1G hugepagesz=1G hugepages=8
vt.handoff=7

mount -t hugetlbfs nodev /mnt/huge

echo 512 > /sys/kernel/mm/hugepages/hugepages-2048kB/ nr_hugepages
mount -t hugetlbfs nodev /mnt/huge -o pagesize=2M

thanks ,
Srinivas.



On Fri, Jan 30, 2015 at 11:19 AM, Srinivasreddy R <
srinivasreddy4390 at gmail.com> wrote:

> thanks for your reply . even I face the same issue .any pointers to
> proceed ..
>
>
> ./build/app/vhost-switch -c f -n 4  -- -p 0x1   --dev-basename usvhost-1
> --stats 2
> 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 0 on socket 0
> EAL: Detected lcore 5 as core 1 on socket 0
> EAL: Detected lcore 6 as core 2 on socket 0
> EAL: Detected lcore 7 as core 3 on socket 0
> EAL: Support maximum 128 logical core(s) by configuration.
> EAL: Detected 8 lcore(s)
> EAL:   cannot open VFIO container, error 2 (No such file or directory)
> EAL: VFIO support could not be initialized
> EAL: Setting up memory...
> EAL: Ask a virtual area of 0x200000000 bytes
> EAL: Virtual area found at 0x7fb6c0000000 (size = 0x200000000)
> EAL: Ask a virtual area of 0x1a00000 bytes
> EAL: Virtual area found at 0x7fb8f5600000 (size = 0x1a00000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8f5200000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8f4e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x6c00000 bytes
> EAL: Virtual area found at 0x7fb8ee000000 (size = 0x6c00000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8edc00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8ed800000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8ed400000 (size = 0x200000)
> EAL: Ask a virtual area of 0x9e00000 bytes
> EAL: Virtual area found at 0x7fb8e3400000 (size = 0x9e00000)
> EAL: Ask a virtual area of 0x19000000 bytes
> EAL: Virtual area found at 0x7fb8ca200000 (size = 0x19000000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8c9e00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8c9a00000 (size = 0x200000)
> EAL: Ask a virtual area of 0x10000000 bytes
> EAL: Virtual area found at 0x7fb6afe00000 (size = 0x10000000)
> EAL: Ask a virtual area of 0x3c00000 bytes
> EAL: Virtual area found at 0x7fb8c5c00000 (size = 0x3c00000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fb8c5800000 (size = 0x200000)
> EAL: Requesting 8 pages of size 1024MB from socket 0
> EAL: Requesting 512 pages of size 2MB from socket 0
> EAL: TSC frequency is ~3092840 KHz
> EAL: Master core 0 is ready (tid=f83c0880)
> PMD: ENICPMD trace: rte_enic_pmd_init
> EAL: Core 3 is ready (tid=c3ded700)
> EAL: Core 2 is ready (tid=c45ee700)
> EAL: Core 1 is ready (tid=c4def700)
> EAL: PCI device 0000:01:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:1521 rte_igb_pmd
> EAL:   PCI memory mapped at 0x7fb8f7000000
> EAL:   PCI memory mapped at 0x7fb8f7100000
> PMD: eth_igb_dev_init(): port_id 0 vendorID=0x8086 deviceID=0x1521
> EAL: PCI device 0000:01:00.1 on NUMA socket -1
> EAL:   probe driver: 8086:1521 rte_igb_pmd
> EAL:   0000:01:00.1 not managed by UIO driver, skipping
> EAL: PCI device 0000:03:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 rte_em_pmd
> EAL:   0000:03:00.0 not managed by UIO driver, skipping
> EAL: PCI device 0000:04:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10d3 rte_em_pmd
> EAL:   0000:04:00.0 not managed by UIO driver, skipping
> pf queue num: 0, configured vmdq pool num: 8, each vmdq pool has 1 queues
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60f7e00
> hw_ring=0x7fb8f5228580 dma_addr=0x36628580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60f5d00
> hw_ring=0x7fb8f5238580 dma_addr=0x36638580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60f3c00
> hw_ring=0x7fb8f5248580 dma_addr=0x36648580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60f1b00
> hw_ring=0x7fb8f5258580 dma_addr=0x36658580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60efa00
> hw_ring=0x7fb8f5268580 dma_addr=0x36668580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60ed900
> hw_ring=0x7fb8f5278580 dma_addr=0x36678580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60eb800
> hw_ring=0x7fb8f5288580 dma_addr=0x36688580
> PMD: eth_igb_rx_queue_setup(): sw_ring=0x7fb8f60e9700
> hw_ring=0x7fb8f5298580 dma_addr=0x36698580
> PMD: eth_igb_tx_queue_setup(): To improve 1G driver performance, consider
> setting the TX WTHRESH value to 4, 8, or 16.
> PMD: eth_igb_tx_queue_setup(): sw_ring=0x7fb8f60e7600
> hw_ring=0x7fb8f52a8580 dma_addr=0x366a8580
> PMD: eth_igb_tx_queue_setup(): To improve 1G driver performance, consider
> setting the TX WTHRESH value to 4, 8, or 16.
> PMD: eth_igb_tx_queue_setup(): sw_ring=0x7fb8f60e5500
> hw_ring=0x7fb8f52b8580 dma_addr=0x366b8580
> PMD: eth_igb_tx_queue_setup(): To improve 1G driver performance, consider
> setting the TX WTHRESH value to 4, 8, or 16.
> PMD: eth_igb_tx_queue_setup(): sw_ring=0x7fb8f60e3400
> hw_ring=0x7fb8f52c8580 dma_addr=0x366c8580
> PMD: eth_igb_tx_queue_setup(): To improve 1G driver performance, consider
> setting the TX WTHRESH value to 4, 8, or 16.
> PMD: eth_igb_tx_queue_setup(): sw_ring=0x7fb8f60e1300
> hw_ring=0x7fb8f52d8580 dma_addr=0x366d8580
> PMD: eth_igb_start(): <<
> VHOST_PORT: Max virtio devices supported: 8
> VHOST_PORT: Port 0 MAC: 2c 53 4a 00 28 68
> VHOST_DATA: Procesing on Core 1 started
> VHOST_DATA: Procesing on Core 2 started
> VHOST_DATA: Procesing on Core 3 started
> Device statistics ====================================
> ======================================================
> VHOST_CONFIG: (0) Device configuration started
> VHOST_CONFIG: (0) Failed to find memory file for pid 845
> Device statistics ====================================
>
>
>
> ./qemu-wrap.py -machine pc-i440fx-1.4,accel=kvm,usb=off -cpu host -smp
> 2,sockets=2,cores=1,threads=1  -netdev tap,id=hostnet1,vhost=on -device
> virtio-net-pci,netdev=hostnet1,id=net1  -hda /home/utils/images/vm1.img  -m
> 2048  -vnc 0.0.0.0:2   -net nic -net tap,ifname=tap3,script=no -mem-path
> /dev/hugepages -mem-prealloc
> W: /etc/qemu-ifup: no bridge for guest interface found
> file_ram_alloc: can't mmap RAM pages: Cannot allocate memory
> qemu-system-x86_64: unable to start vhost net: 22: falling back on
> userspace virtio
>
>
>  mount  | grep huge
> cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,relatime,hugetlb)
> nodev on /dev/hugepages type hugetlbfs (rw)
> nodev on /mnt/huge type hugetlbfs (rw,pagesize=2M)
>
>
>
>  cat /proc/meminfo
> MemTotal:       16345340 kB
> MemFree:         4591596 kB
> Buffers:          466472 kB
> Cached:          1218728 kB
> SwapCached:            0 kB
> Active:          1147228 kB
> Inactive:         762992 kB
> Active(anon):     232732 kB
> Inactive(anon):    14760 kB
> Active(file):     914496 kB
> Inactive(file):   748232 kB
> Unevictable:        3704 kB
> Mlocked:            3704 kB
> SwapTotal:      16686076 kB
> SwapFree:       16686076 kB
> Dirty:               488 kB
> Writeback:             0 kB
> AnonPages:        230800 kB
> Mapped:            55248 kB
> Shmem:             17932 kB
> Slab:             245116 kB
> SReclaimable:     214372 kB
> SUnreclaim:        30744 kB
> KernelStack:        3664 kB
> PageTables:        13900 kB
> NFS_Unstable:          0 kB
> Bounce:                0 kB
> WritebackTmp:          0 kB
> CommitLimit:    20140152 kB
> Committed_AS:    1489760 kB
> VmallocTotal:   34359738367 kB
> VmallocUsed:      374048 kB
> VmallocChunk:   34359356412 kB
> HardwareCorrupted:     0 kB
> AnonHugePages:    106496 kB
> HugePages_Total:       8
> HugePages_Free:        0
> HugePages_Rsvd:        0
> HugePages_Surp:        0
> Hugepagesize:    1048576 kB
> DirectMap4k:       91600 kB
> DirectMap2M:     2965504 kB
> DirectMap1G:    13631488 kB
>
>
>
> sysctl -A | grep huge
> vm.hugepages_treat_as_movable = 0
> vm.hugetlb_shm_group = 0
> vm.nr_hugepages = 8
> vm.nr_hugepages_mempolicy = 8
> vm.nr_overcommit_hugepages = 0
>
>
> thanks
> Srinivas.
>
>
>
> On Fri, Jan 30, 2015 at 10:59 AM, Linhaifeng <haifeng.lin at huawei.com>
> wrote:
>
>>
>>
>> On 2015/1/30 0:48, Srinivasreddy R wrote:
>> > EAL: 512 hugepages of size 2097152 reserved, but no mounted hugetlbfs
>> found
>> > for that size
>>
>> Maybe you haven't mount hugetlbfs.
>> --
>> Regards,
>> Haifeng
>>
>>
>
>
> --
> thanks
> srinivas.
>



-- 
thanks
srinivas.
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