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 23:41:48 -0400 [thread overview]
Message-ID: <CAFxVZ5JbXF4s4otA=mZn3rir3tef1UFOn12dfzMUsaFsJMEofA@mail.gmail.com> (raw)
In-Reply-To: <CAFxVZ5LW-AQiPyVoFwFO6cwOhg1KczX6nfCbU+ZmYp1--ESpYg@mail.gmail.com>
I tested with the same binaries for vmxnet3 and that works fine. Could
there be an issue in fm10k stats APIs?
On Thu, Nov 3, 2016 at 9:45 PM, Sruthi Yellamraju <ysruthi@gmail.com> wrote:
> 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] On Behalf Of Sruthi
>> Yellamraju
>> Sent: 2016年11月4日 6:49
>> To: users@dpdk.org
>> 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!
>>
>
prev parent reply other threads:[~2016-11-04 3:41 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
2016-11-04 3:41 ` Sruthi Yellamraju [this message]
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