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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I am having problems with rte_eal_init() and assigning DPDK memory to one n= uma node (I have two numa node system). The server is a DELL R730 with dual Haswell processors running Oracle91 (ke= rnel version 5.14.0-284). Total Memory is 128 GB. I tried modifying an argument I had used in the past and added a second val= ue, for second socket, with a ',' delimiter to exclude DPDK memory on socke= t 2. I tried "--socket-mem=3D2048,0" and rte_eal_init() suffers a Segmenta= tion fault. Program received signal SIGSEGV, Segmentation fault. rte_strsplit (string=3Dstring@entry=3D0x2ee4ec5 "2048,0", stringlen=3Dstrin= glen@entry=3D6, tokens=3Dtokens@entry=3D0x7ffcc7d21f80, maxtokens=3Dmaxtokens@entry=3D32, delim=3Ddelim@entry=3D44 ',') at ../l= ib/eal/common/eal_common_string_fns.c:32 32 ../lib/eal/common/eal_common_string_fns.c: No such file or director= y. (gdb) bt #0 rte_strsplit (string=3Dstring@entry=3D0x2ee4ec5 "2048,0", stringlen=3Ds= tringlen@entry=3D6, tokens=3Dtokens@entry=3D0x7ffcc7d21f80, maxtokens=3Dmaxtokens@entry=3D32, delim=3Ddelim@entry=3D44 ',') at ../l= ib/eal/common/eal_common_string_fns.c:32 #1 0x0000000002852014 in eal_parse_socket_arg (strval=3D0x2ee4ec5 "2048,0"= , socket_arg=3Dsocket_arg@entry=3D0x72b2fb8 ) at ../lib/eal/linux/eal.c:485 #2 0x000000000285262d in eal_parse_args (argv=3D0x7ffcc7d2a990, argc=3D9) = at ../lib/eal/linux/eal.c:696 #3 rte_eal_init (argc=3D9, argv=3D0x7ffcc7d2a990) at ../lib/eal/linux/eal.= c:1005 #4 0x0000000000499482 in main (argc=3D2, argv=3D0x7ffcc7d2ad18) at linuxma= in.c:4320 Perhaps what I provided as an argument "--socket-mem=3D2048,0" to rte_eal_i= nit() is not supported? My goal is to allocate all DPDK memory and Hugepage memory to processor 1 (= socket 1) on Numa Node 0 where the NIC is located. When I try remove the rte_eal_init argument "--socket-mem" it seems to wor= k, puts the DPDK memory on socket 0. I may want to allocate DPDK memory on second socket or on both CPU sockets = with different amounts, how can I do this with ret_eal_init arguments? Any guidance would be greatly appreciated. Thanks, Ed --_000_CH3PR01MB847090A615D112BD80834DEF8F222CH3PR01MB8470prod_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi,

I am having problems with rte_eal_init() and assigni= ng DPDK memory to one numa node (I have two numa node system).

 

The server is a DELL R730 with dual Haswell processo= rs running Oracle91 (kernel version 5.14.0-284).

Total Memory is 128 GB.

 

I tried modifying an argument I had used in the past= and added a second value, for second socket, with a ‘,’ delimi= ter to exclude DPDK memory on socket 2.  I tried “--socket-mem= =3D2048,0” and rte_eal_init() suffers a Segmentation fault.

 

 

Program received signal SIGSEGV, Segmentation fault.=

rte_strsplit (string=3Dstring@entry=3D0x2ee4ec5 &quo= t;2048,0", stringlen=3Dstringlen@entry=3D6, tokens=3Dtokens@entry=3D0x= 7ffcc7d21f80,

    maxtokens=3Dmaxtokens@entry=3D32,= delim=3Ddelim@entry=3D44 ',') at ../lib/eal/common/eal_common_string_fns.c= :32

32      ../lib/eal/common/e= al_common_string_fns.c: No such file or directory.

(gdb) bt

#0  rte_strsplit (string=3Dstring@entry=3D0x2ee= 4ec5 "2048,0", stringlen=3Dstringlen@entry=3D6, tokens=3Dtokens@e= ntry=3D0x7ffcc7d21f80,

    maxtokens=3Dmaxtokens@entry=3D32,= delim=3Ddelim@entry=3D44 ',') at ../lib/eal/common/eal_common_string_fns.c= :32

#1  0x0000000002852014 in eal_parse_socket_arg = (strval=3D0x2ee4ec5 "2048,0", socket_arg=3Dsocket_arg@entry=3D0x7= 2b2fb8 <internal_config+56>)

    at ../lib/eal/linux/eal.c:485

#2  0x000000000285262d in eal_parse_args (argv= =3D0x7ffcc7d2a990, argc=3D9) at ../lib/eal/linux/eal.c:696

#3  rte_eal_init (argc=3D9, argv=3D0x7ffcc7d2a9= 90) at ../lib/eal/linux/eal.c:1005

#4  0x0000000000499482 in main (argc=3D2, argv= =3D0x7ffcc7d2ad18) at linuxmain.c:4320

 

Perhaps what I provided as an argument “--sock= et-mem=3D2048,0” to rte_eal_init() is not supported?

 

 

 

My goal is to allocate all DPDK memory and Hugepage = memory to processor 1 (socket 1) on Numa Node 0 where the NIC is located.

 

 

When I try remove the rte_eal_init argument “-= -socket-mem”  it seems to work, puts the DPDK memory on socket 0= .

 

I may want to allocate DPDK memory on second socket = or on both CPU sockets with different amounts, how can I do this with ret_e= al_init arguments?

 

Any guidance would be greatly appreciated.

 

Thanks,

Ed

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