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charset="us-ascii" Content-Transfer-Encoding: quoted-printable > I'm having segfault issues when running pktgen in a virtualbox virtual > machine. > > Here's what I run it in and some details about running the commands, > > and what I can do to get it to run correctly > > > pktgen version: git main brunch > > # git log > commit cc1d4c606dea3939adf75cc02de0f7cf2b28cf1e (HEAD -> main, tag: > pktgen-24.07.0, origin/main, origin/HEAD) > > dpdk version: dpdk-24.07 > > [root@localhost dpdk-24.07]# ./usertools/dpdk-devbind.py -s > > Network devices using DPDK-compatible driver > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > 0000:00:09.0 '82540EM Gigabit Ethernet Controller 100e' drv=3Digb_uio > unused=3De1000,vfio-pci > 0000:00:0a.0 '82540EM Gigabit Ethernet Controller 100e' drv=3Digb_uio > unused=3De1000,vfio-pci > > pktgen run command: > > gdb --args /root/pktgen-dpdk/usr/local/bin/pktgen -m 1.0 > > Port DevName Index NUMA PCI Information Src MAC > Promiscuous > Thread 1 "pktgen" received signal SIGSEGV, Segmentation fault. > 0x000000000043c38b in dump_device_info () at ../app/pktgen-port-cfg.c:102 > 102 pkt =3D &pinfo->seq_pkt[SINGLE_PKT]; > > (gdb) bt > #0 0x000000000043c38b in dump_device_info () at > ../app/pktgen-port-cfg.c:102 > #1 0x000000000043e3cf in pktgen_config_ports () at > ../app/pktgen-port-cfg.c:325 > #2 0x000000000043aa23 in main (argc=3D1, argv=3D0x7fffffffe2d8) at > ../app/pktgen-main.c:465 > > (gdb) n > 89 bus =3D rte_bus_find_by_device(dev.device); > (gdb) > 90 if (bus && !strcmp(rte_bus_name(bus), "pci")) { > (gdb) > 94 vend[0] =3D device[0] =3D '\0'; > (gdb) > 95 sscanf(rte_dev_bus_info(dev.device), "vendor_id=3D%4s= , > device_id=3D%4s", vend, device); > (gdb) > 97 rte_eth_dev_get_name_by_port(i, name); > (gdb) > 98 snprintf(buff, sizeof(buff), "%s:%s/%s", vend, > device, rte_dev_name(dev.device)); > (gdb) > 90 if (bus && !strcmp(rte_bus_name(bus), "pci")) { > (gdb) > 101 pinfo =3D l2p_get_port_pinfo(i); > (gdb) > 102 pkt =3D &pinfo->seq_pkt[SINGLE_PKT]; > (gdb) > > Thread 1 "pktgen" received signal SIGSEGV, Segmentation fault. > 0x000000000043c38b in dump_device_info () at ../app/pktgen-port-cfg.c:102 > 102 pkt =3D &pinfo->seq_pkt[SINGLE_PKT]; > (gdb) p pinfo > $3 =3D (port_info_t *) 0x0 > (gdb) > > > Pktgen no longer has a maintainer, so it considered abandoned at this point= . What does DPDK startup show? The problem is probably that virtualbox doesn'= t fully emulate the Intel NIC and the DPDK PMD doesn't like that. Hi Stephen, (sorry if formatting is bad as MacOS Outlook has some issues with plain tex= t replies) I still maintain Pktgen, but mostly from GitHub issues @ https://github.com= /pktgen/Pktgen-DPDK I do have very limited time, so not always the fastest = responses. DPDK gets a lot of emails and sometimes I miss these emails (need to improv= e my emails rule filter). I do update dpdk.org Pktgen repo when I can, but it seemed like most of the= requests were coming from GitHub. This person created an issue at Pktgen GitHub and also posted to this group= at the same time. I did respond to his issue and try to work out a solutio= n. I never test using a VM or containers, so it is difficult to help them s= ometimes. If you wish you can remove Pktgen from dpdk.org, but if you do please inclu= de a link to the GitHub repository. Thank you. --_000_DM6PR11MB459333716EBE6F878F9A7A74FE502DM6PR11MB4593namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

> I'm having segfault issues when running pktgen in a virtualbox= virtual
> machine.
>
> Here's what I run it in and some details about running the commands, >
> and what I can do to get it to run correctly
>
>
> pktgen version: git main brunch
>
> # git log
> commit cc1d4c606dea3939adf75cc02de0f7cf2b28cf1e (HEAD -> main, tag:=
> pktgen-24.07.0, origin/main, origin/HEAD)
>
> dpdk version: dpdk-24.07
>
> [root@localhost dpdk-24.07]# ./usertools/dpdk-devbind.py -s
>
> Network devices using DPDK-compatible driver
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> 0000:00:09.0 '82540EM Gigabit Ethernet Controller 100e' drv=3Digb_uio =
> unused=3De1000,vfio-pci
> 0000:00:0a.0 '82540EM Gigabit Ethernet Controller 100e' drv=3Digb_uio =
> unused=3De1000,vfio-pci
>
> pktgen run command:
>
> gdb --args /root/pktgen-dpdk/usr/local/bin/pktgen -m 1.0
>
> Port DevName          Ind= ex NUMA PCI Information   Src MAC     &n= bsp;    
> Promiscuous
> Thread 1 "pktgen" received signal SIGSEGV, Segmentation faul= t.
> 0x000000000043c38b in dump_device_info () at ../app/pktgen-port-cfg.c:= 102
> 102           &= nbsp; pkt   =3D &pinfo->seq_pkt[SINGLE_PKT];
>
> (gdb) bt
> #0  0x000000000043c38b in dump_device_info () at
> ../app/pktgen-port-cfg.c:102
> #1  0x000000000043e3cf in pktgen_config_ports () at
> ../app/pktgen-port-cfg.c:325
> #2  0x000000000043aa23 in main (argc=3D1, argv=3D0x7fffffffe2d8) = at
> ../app/pktgen-main.c:465
>
> (gdb) n
> 89           &n= bsp;      bus =3D rte_bus_find_by_device(dev.devic= e);
> (gdb)
> 90           &n= bsp;  if (bus && !strcmp(rte_bus_name(bus), "pci")) = {
> (gdb)
> 94           &n= bsp;      vend[0] =3D device[0] =3D '\0';
> (gdb)
> 95           &n= bsp;      sscanf(rte_dev_bus_info(dev.device), &qu= ot;vendor_id=3D%4s,
> device_id=3D%4s", vend, device);
> (gdb)
> 97           &n= bsp;      rte_eth_dev_get_name_by_port(i, name); > (gdb)
> 98           &n= bsp;      snprintf(buff, sizeof(buff), "%s:%s= /%s", vend,
> device, rte_dev_name(dev.device));
> (gdb)
> 90           &n= bsp;  if (bus && !strcmp(rte_bus_name(bus), "pci")) = {
> (gdb)
> 101           &= nbsp; pinfo =3D l2p_get_port_pinfo(i);
> (gdb)
> 102           &= nbsp; pkt   =3D &pinfo->seq_pkt[SINGLE_PKT];
> (gdb)
>
> Thread 1 "pktgen" received signal SIGSEGV, Segmentation faul= t.
> 0x000000000043c38b in dump_device_info () at ../app/pktgen-port-cfg.c:= 102
> 102           &= nbsp; pkt   =3D &pinfo->seq_pkt[SINGLE_PKT];
> (gdb) p pinfo
> $3 =3D (port_info_t *) 0x0
> (gdb)
>
>
>

Pktgen no longer has a maintainer, so it considered abandoned at this point= .
What does DPDK startup show? The problem is probably that virtualbox doesn'= t fully
emulate the Intel NIC and the DPDK PMD doesn't like that.=

 

Hi Stephen,

(sorry if formatting is bad as MacOS Outlook has som= e issues with plain text replies)

 

I still maintain Pktgen, but mostly from GitHub issu= es @ https://github.com/pktgen/Pktgen-DPDK I do have very limited time, so n= ot always the fastest responses.

DPDK gets a lot of emails and sometimes I miss these= emails (need to improve my emails rule filter).

I do update dpdk.org Pktgen repo when I can, but it = seemed like most of the requests were coming from GitHub.

 

This person created an issue at Pktgen GitHub and al= so posted to this group at the same time. I did respond to his issue and tr= y to work out a solution. I never test using a VM or containers, so it is d= ifficult to help them sometimes.

 

If you wish you can remove Pktgen from dpdk.org, but= if you do please include a link to the GitHub repository.

Thank you.


 

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