">" was missed in the following command. echo 2048 > /sys/kernel/mm/dom0-mm/memsize-mB/memsize
> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Murillo > Sent: Thursday, October 30, 2014 6:27 PM > To: dev at dpdk.org > Subject: [dpdk-dev] DPDK xen-dom0 not working at all > > 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. > > > > > > > > > >