[dpdk-dev] DPDK xen-dom0 not working at all
Murillo
imurillo006 at ehu.es
Thu Oct 30 11:26:43 CET 2014
English is not my native language; please excuse typing errors.
I am new to DPDK with Xen, but I am able to run DPDK applications
without xen using hugepages. But when I try to do it in xen-dom0 it does
not work. Let me explain:
I have followed the intructions on the Getting Started Guide, so I
execute the next steps:
Dpdk/config/common_linuxapp
CONFIG_RTE_LIBRTE_XEN_DOM0=y
make config T=x86_64-native-linuxapp-gcc
make install T=x86_64-native-linuxapp-gcc
sudo modprobe uio
sudo insmod x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
sudo insmod x86_64-native-linuxapp-gcc/kmod/rte_dom0_mm.ko rsv_memsize=2048
echo 2048 /sys/kernel/mm/dom0-mm/memsize-mB/memsize
tools/dpdk_nic_bind.py --bind=igb_uio $(tools/dpdk_nic_bind.py --status
| sed -rn 's,.* if=([^ ]*).*igb_uio *$,\1,p')
The main problem appears when I try to execute helloworld for example.
Sudo ./build/helloworld -c 0xf -n 2 –xen-dom0
Output:
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 0 on socket 0
EAL: Detected lcore 2 as core 1 on socket 0
…
EAL: Detected lcore 39 as core 12 on socket 0
EAL: Support maximum 64 logical core(s) by configuration.
EAL: Detected 40 lcore(s)
And it stops.
If I execute dmegs I get the following:
[ 1098.120193] helloworld[20116] trap invalid opcode ip:45adb7
sp:7fff4cf7e150 error:0 in helloworld[400000+115000]
Here are the characteristics of the server:
DPDK 1.7.1
xm info:
host : vh05
release : 3.5.0-47-generic
version : #71~precise1-Ubuntu SMP Wed Feb 19 22:02:52 UTC 2014
machine : x86_64
nr_cpus : 40
nr_nodes : 2
cores_per_socket : 10
threads_per_core : 2
cpu_mhz : 3000
hw_caps :
bfebfbff:2c100800:00000000:00007f40:73bee3ff:00000000:00000001:00000281
virt_caps : hvm hvm_directio
total_memory : 32722
free_memory : 28196
free_cpus : 0
xen_major : 4
xen_minor : 1
xen_extra : .5
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p
hvm-3.0-x86_64
xen_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
xen_commandline : placeholder dom0_mem=4096M max_loop=64
cc_compiler : gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
cc_compile_by : stefan.bader
cc_compile_domain : canonical.com
cc_compile_date : Wed Feb 19 15:32:59 UTC 2014
xend_config_format : 4
Thank you in anvanced.
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