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

[Srinivasreddy R]

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.