Re: DPDK xen-dom0 not working at all

[Murillo <imurillo006-+ngl/9zrRLQ@public.gmane.org>]

Hello,

Thank you for your help. It worked for me.

El 03/11/14 a las 03:47, Liu, Jijiang escribió:
> You are using Xen 4.1.5, and try to do  following change In dpdk/config/defconfig_x86_64-native-linuxapp-gcc(assuming you use x86_64-native-linuxapp-gcc to compile).
>
> Change
> CONFIG_RTE_MACHINE="native"
> To
> CONFIG_RTE_MACHINE="default"
>
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces-VfR2kkLFssw@public.gmane.org] On Behalf Of Murillo
>> Sent: Thursday, October 30, 2014 11:11 PM
>> To: dev-VfR2kkLFssw@public.gmane.org
>> Subject: Re: [dpdk-dev] DPDK xen-dom0 not working at all
>>
>> 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 escribió:
>>> ">" was missed in the following command.
>>>
>>> echo 2048 > /sys/kernel/mm/dom0-mm/memsize-mB/memsize
>>>
>>>> -----Original Message-----
>>>> From: dev [mailto:dev-bounces-VfR2kkLFssw@public.gmane.org] On Behalf Of Murillo
>>>> Sent: Thursday, October 30, 2014 6:27 PM
>>>> To: dev-VfR2kkLFssw@public.gmane.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:00000000:00000001:000002
>>>> 81
>>>>
>>>> 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.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>