From: Sruthi Yellamraju <ysruthi@gmail.com>
To: XIAO Xiaohong <Xiaohong.Xiao@alcatel-sbell.com.cn>, users@dpdk.org
Subject: Re: [dpdk-users] DPDK-16.07: segfault when calling rte_eth_stats_get() from secondary process
Date: Thu, 3 Nov 2016 21:45:53 -0400 [thread overview]
Message-ID: <CAFxVZ5LW-AQiPyVoFwFO6cwOhg1KczX6nfCbU+ZmYp1--ESpYg@mail.gmail.com> (raw)
In-Reply-To: <B7D7F8603F786C4995D904365BDCCDAD1F0547BC@cnshjmbx03>
Both primary and secondary processes are built and running off 16.07
On Thursday, November 3, 2016, XIAO Xiaohong <
Xiaohong.Xiao@alcatel-sbell.com.cn> wrote:
> Hello
> You said your primary process calls a shared library, then what's the DPDK
> version this shared library is built on?
> Can you make sure the primary and secondary process both are using same
> DPDK version?
>
> -----Original Message-----
> From: users [mailto:users-bounces@dpdk.org <javascript:;>] On Behalf Of
> Sruthi Yellamraju
> Sent: 2016年11月4日 6:49
> To: users@dpdk.org <javascript:;>
> Subject: [dpdk-users] DPDK-16.07: segfault when calling
> rte_eth_stats_get() from secondary process
>
> Hi,
>
> I am using DPDK 16.07 with fm10k. I am seeing segfaults when calling
> rte_eth_stats_get() API from a secondary process.
>
> The primary process doesnt call DPDK APIs directly and hence doesnt link
> against DPDK Libraries. The primary process uses a shared library that in
> turn is using DPDK APIs and links with DPDK libraries. All DPDK libraries
> are built as static libraries.
>
> The secondary process uses DPDK APIs directly and hence links against the
> DPDK static libraries directly.
>
> When i run the secondary process to get stats (something like
> dpdk-procinfo) application, it segfaults (Error 14). gdb shows:
> (gdb) bt
> #0 0x00007fffeacd72bc in ?? () --> points to stats API offset in the
> primary processes' shared library
> #1 0x00000000006761d7 in fm10k_update_hw_stats ()
> #2 0x0000000000650dee in fm10k_stats_get ()
> #3 0x000000000043803d in rte_eth_stats_get ()
> #4 0x0000000000a68663 in do_get_stats (argc=<value optimized out>,
> argv=0x7fffffffe478) at dpdk_status.c:225
> #5 main (argc=<value optimized out>, argv=0x7fffffffe478) at
> dpdk_status.c:501
>
> Any clues on why this could be happening? I am guessing this needs some
> linker magic to get it to work. Not sure what exactly. I played with a
> couple of options , but in vain.
>
> Any pointers will be greatly appreciated.
>
> Thanks!
>
next prev parent reply other threads:[~2016-11-04 1:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-03 22:48 Sruthi Yellamraju
[not found] ` <B7D7F8603F786C4995D904365BDCCDAD1F0547BC@cnshjmbx03>
2016-11-04 1:45 ` Sruthi Yellamraju [this message]
2016-11-04 3:41 ` Sruthi Yellamraju
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