I am sorry, I missed it during the redaction of the email. I executed it correcly. When I do "cat /sys/kernel/mm/dom0-mm/memsize-mB/memsize" it prints 2048.
Thank you for your answer and your time. El 30/10/14 a las 13:59, Liu, Jijiang escribi?: > ">" 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. >> >> >> >> >> >> >> >> >> >>