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* [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
       [not found] <CA+h+_BuFT_cqGsxdyPOz8EtMOMdvZi4yWdW28=ZXsh70uL=Xzg@mail.gmail.com>
@ 2020-06-03  1:04 ` Ding Ma
  2020-06-03  2:21   ` Stephen Hemminger
  0 siblings, 1 reply; 6+ messages in thread
From: Ding Ma @ 2020-06-03  1:04 UTC (permalink / raw)
  To: users

Hope it's the right way to ask DPDK questions. I am new to DPDK world and
got an error while setting up dpdk on my server. any idea about where I
should look at?


   1. Error: rte_eal port num [0] is not match the pciidlist [4]
   2. EAL: Error - exiting with code: 1
   3.   Cause: Generate core list error


Full paste:
ttps://pastebin.com/zea7514Y <https://pastebin.com/zea7514Y>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
  2020-06-03  1:04 ` [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4] Ding Ma
@ 2020-06-03  2:21   ` Stephen Hemminger
  2020-06-03  2:34     ` Ding Ma
  0 siblings, 1 reply; 6+ messages in thread
From: Stephen Hemminger @ 2020-06-03  2:21 UTC (permalink / raw)
  To: Ding Ma; +Cc: users

On Tue, 2 Jun 2020 18:04:57 -0700
Ding Ma <mdyuki1016@gmail.com> wrote:

> Hope it's the right way to ask DPDK questions. I am new to DPDK world and
> got an error while setting up dpdk on my server. any idea about where I
> should look at?
> 
> 
>    1. Error: rte_eal port num [0] is not match the pciidlist [4]
>    2. EAL: Error - exiting with code: 1
>    3.   Cause: Generate core list error
> 
> 
> Full paste:
> ttps://pastebin.com/zea7514Y <https://pastebin.com/zea7514Y>

Your DPDK is built for only 32 CPU's and you have a machine with 128.
Change your config and move on to the next issue.

* There are patches in review to avoid this in future versions of DPDK.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
  2020-06-03  2:21   ` Stephen Hemminger
@ 2020-06-03  2:34     ` Ding Ma
  2020-06-03 20:51       ` Vincent Li
  0 siblings, 1 reply; 6+ messages in thread
From: Ding Ma @ 2020-06-03  2:34 UTC (permalink / raw)
  To: Stephen Hemminger; +Cc: users

Really appreciate your help. Two follow-ups:
- it actually works on 48 cores server and do you know why?  (The problem
server is 96 cores)
- which part in config I need to change? (Sorry I am a noob) . Also, I am
using pre-built RPM to install dpdk, do I have to rebuild the RPM on 96
cores server in order to run it on the 96 cores server?

On Tue, Jun 2, 2020 at 7:21 PM Stephen Hemminger <stephen@networkplumber.org>
wrote:

> On Tue, 2 Jun 2020 18:04:57 -0700
> Ding Ma <mdyuki1016@gmail.com> wrote:
>
> > Hope it's the right way to ask DPDK questions. I am new to DPDK world and
> > got an error while setting up dpdk on my server. any idea about where I
> > should look at?
> >
> >
> >    1. Error: rte_eal port num [0] is not match the pciidlist [4]
> >    2. EAL: Error - exiting with code: 1
> >    3.   Cause: Generate core list error
> >
> >
> > Full paste:
> > ttps://pastebin.com/zea7514Y <https://pastebin.com/zea7514Y>
>
> Your DPDK is built for only 32 CPU's and you have a machine with 128.
> Change your config and move on to the next issue.
>
> * There are patches in review to avoid this in future versions of DPDK.
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
  2020-06-03  2:34     ` Ding Ma
@ 2020-06-03 20:51       ` Vincent Li
  2020-06-03 21:35         ` Ding Ma
  0 siblings, 1 reply; 6+ messages in thread
From: Vincent Li @ 2020-06-03 20:51 UTC (permalink / raw)
  To: Ding Ma; +Cc: Stephen Hemminger, users



On Tue, 2 Jun 2020, Ding Ma wrote:

> Really appreciate your help. Two follow-ups:
> - it actually works on 48 cores server and do you know why?  (The problem
> server is 96 cores)

I think Stephen might mean your pre-build DPDK might not be built with 32 
cores, I am not familiar with this neither, but I here is my grep search:

/usr/src/dpdk# egrep  'CORE|CPU' x86_64-native-linux-gcc/.config

CONFIG_RTE_MAX_LCORE=128
# Recognize/ignore architecture we compile for. AVX/AVX512 CPU flags for 
performance/power testing.
CONFIG_RTE_MAX_LCORE_FREQS=64
CONFIG_RTE_TEST_PMD_RECORD_CORE_CYCLES=n

I guess your pre-built DPDK might have CONFIG_RTE_MAX_LCORE built less 
than 96, you can either rebuilt your DPDK RPM package or rebuild from DPDK 
source with cores >= 96, say 128


> - which part in config I need to change? (Sorry I am a noob) . Also, I am
> using pre-built RPM to install dpdk, do I have to rebuild the RPM on 96
> cores server in order to run it on the 96 cores server?
> 
> On Tue, Jun 2, 2020 at 7:21 PM Stephen Hemminger <stephen@networkplumber.org>
> wrote:
> 
> > On Tue, 2 Jun 2020 18:04:57 -0700
> > Ding Ma <mdyuki1016@gmail.com> wrote:
> >
> > > Hope it's the right way to ask DPDK questions. I am new to DPDK world and
> > > got an error while setting up dpdk on my server. any idea about where I
> > > should look at?
> > >
> > >
> > >    1. Error: rte_eal port num [0] is not match the pciidlist [4]
> > >    2. EAL: Error - exiting with code: 1
> > >    3.   Cause: Generate core list error
> > >
> > >
> > > Full paste:
> > > ttps://pastebin.com/zea7514Y <https://pastebin.com/zea7514Y>
> >
> > Your DPDK is built for only 32 CPU's and you have a machine with 128.
> > Change your config and move on to the next issue.
> >
> > * There are patches in review to avoid this in future versions of DPDK.
> >
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
  2020-06-03 20:51       ` Vincent Li
@ 2020-06-03 21:35         ` Ding Ma
  2020-06-04  0:47           ` Vincent Li
  0 siblings, 1 reply; 6+ messages in thread
From: Ding Ma @ 2020-06-03 21:35 UTC (permalink / raw)
  To: Vincent Li; +Cc: Stephen Hemminger, users

Thanks for reply.
BTW I guess "CONFIG_RTE_MAX_LCORE=128" means no more than 128 cores.  But
what does "CONFIG_RTE_MAX_LCORE_FREQS=64" mean?

On Wed, Jun 3, 2020 at 1:51 PM Vincent Li <vincent.mc.li@gmail.com> wrote:

>
>
> On Tue, 2 Jun 2020, Ding Ma wrote:
>
> > Really appreciate your help. Two follow-ups:
> > - it actually works on 48 cores server and do you know why?  (The problem
> > server is 96 cores)
>
> I think Stephen might mean your pre-build DPDK might not be built with 32
> cores, I am not familiar with this neither, but I here is my grep search:
>
> /usr/src/dpdk# egrep  'CORE|CPU' x86_64-native-linux-gcc/.config
>
> CONFIG_RTE_MAX_LCORE=128
> # Recognize/ignore architecture we compile for. AVX/AVX512 CPU flags for
> performance/power testing.
> CONFIG_RTE_MAX_LCORE_FREQS=64
> CONFIG_RTE_TEST_PMD_RECORD_CORE_CYCLES=n
>
> I guess your pre-built DPDK might have CONFIG_RTE_MAX_LCORE built less
> than 96, you can either rebuilt your DPDK RPM package or rebuild from DPDK
> source with cores >= 96, say 128
>
>
> > - which part in config I need to change? (Sorry I am a noob) . Also, I am
> > using pre-built RPM to install dpdk, do I have to rebuild the RPM on 96
> > cores server in order to run it on the 96 cores server?
> >
> > On Tue, Jun 2, 2020 at 7:21 PM Stephen Hemminger <
> stephen@networkplumber.org>
> > wrote:
> >
> > > On Tue, 2 Jun 2020 18:04:57 -0700
> > > Ding Ma <mdyuki1016@gmail.com> wrote:
> > >
> > > > Hope it's the right way to ask DPDK questions. I am new to DPDK
> world and
> > > > got an error while setting up dpdk on my server. any idea about
> where I
> > > > should look at?
> > > >
> > > >
> > > >    1. Error: rte_eal port num [0] is not match the pciidlist [4]
> > > >    2. EAL: Error - exiting with code: 1
> > > >    3.   Cause: Generate core list error
> > > >
> > > >
> > > > Full paste:
> > > > ttps://pastebin.com/zea7514Y <https://pastebin.com/zea7514Y>
> > >
> > > Your DPDK is built for only 32 CPU's and you have a machine with 128.
> > > Change your config and move on to the next issue.
> > >
> > > * There are patches in review to avoid this in future versions of DPDK.
> > >
> >
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4]
  2020-06-03 21:35         ` Ding Ma
@ 2020-06-04  0:47           ` Vincent Li
  0 siblings, 0 replies; 6+ messages in thread
From: Vincent Li @ 2020-06-04  0:47 UTC (permalink / raw)
  To: Ding Ma; +Cc: Vincent Li, Stephen Hemminger, users



On Wed, 3 Jun 2020, Ding Ma wrote:

> Thanks for reply.
> BTW I guess "CONFIG_RTE_MAX_LCORE=128" means no more than 128 cores.  But what does "CONFIG_RTE_MAX_LCORE_FREQS=64" mean?  
> 

right, CONFIG_RTE_MAX_LCORE_FREQS=64 is irrelevant here I think, something 
relate to power.

# Compile librte_power
CONFIG_RTE_LIBRTE_POWER=y
CONFIG_RTE_LIBRTE_POWER_DEBUG=n
CONFIG_RTE_MAX_LCORE_FREQS=64

By the way, I think the patches Stephen talked about to remove 
RTE_MAX_LCORE constrains  is this:

Re: [dpdk-dev] [PATCH 0/4] Extend --lcores to run on cores > RTE_MAX_LCORE
https://marc.info/?l=dpdk-dev&m=159112164120276&w=2


^ permalink raw reply	[flat|nested] 6+ messages in thread

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Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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     [not found] <CA+h+_BuFT_cqGsxdyPOz8EtMOMdvZi4yWdW28=ZXsh70uL=Xzg@mail.gmail.com>
2020-06-03  1:04 ` [dpdk-users] Need help: Generate core list error. rte_eal port num [0] is not match the pciidlist [4] Ding Ma
2020-06-03  2:21   ` Stephen Hemminger
2020-06-03  2:34     ` Ding Ma
2020-06-03 20:51       ` Vincent Li
2020-06-03 21:35         ` Ding Ma
2020-06-04  0:47           ` Vincent Li

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