[Nfd-dev] [EXT]Re: NFD LOG

[Ishita Dasgupta]

Hi All,

Just wanted to update that installing everything from PPA fixed the issue.
Thank you.

Regards,
Ishita Dasgupta


On Fri, May 29, 2020 at 11:40 PM Ishita Dasgupta <ishita.dasgupta at gmail.com>
wrote:

> Hi Junxiao,
>
> Thanks for your input. I will try that now and see if that fixes
> the problem. In the meantime, I was trying to look at the core dump to
> investigate why a null pointer was being ready for the nfd process and saw
> that a new nfd core dump was being created every 2 seconds and looking at
> the processes, I saw the following program appear with a new process ID
> every 2 seconds. Any idea why ?
>
> /bin/sh -ec sleep 2; if [ -f /etc/ndn/*nfd*-init.sh ]; then . /etc/ndn/
>> *nfd*-init.sh; fi
>
>
> Regards,
> Ishita Dasgupta
>
>
> On Fri, May 29, 2020 at 11:28 PM Junxiao Shi <shijunxiao at email.arizona.edu>
> wrote:
>
>> Hi Ishita
>>
>> ndn-cxx does not have ABI stability. You should either install everything
>> from PPA (easy mode), or install everything from source (hard mode). Mix
>> and match installation is not supported.
>>
>> Yours, Junxiao
>>
>> On Fri, May 29, 2020 at 10:11 PM Ishita Dasgupta via Nfd-dev <
>> nfd-dev at lists.cs.ucla.edu> wrote:
>>
>>> *External Email*
>>> Hi Alex,
>>>
>>> The default config. Yes, I installed ndn-cxx from the latest github
>>> repo. Rest everything is from PPA packages.
>>> Also, later I updated the nfd config file to able to see all kinds of
>>> logs and found the following
>>>
>>>> May 29 19:31:22 ndn nfd[19535]: Built with GNU C++ version 7.4.0, with
>>>> GNU libst
>>>> dc++ version 20181206, with Boost version 1.65.1, with libpcap version
>>>> 1.8.1, with WebSocket++ version 0.8.1, with ndn-cxx version 0.7.0
>>>> May 29 19:31:22 ndn nfd[19535]: 1590780682.559738 INFO: [nfd.FaceTable]
>>>> Added face id=255 remote=null:// local=null://
>>>> May 29 19:31:22 ndn nfd[19535]: 1590780682.561301 INFO: [nfd.FaceTable]
>>>> Added face id=254 remote=contentstore:// local=contentstore://
>>>> May 29 19:31:22 ndn nfd[19535]: 1590780682.561483 INFO: [nfd.CsPolicy]
>>>> setLimit 10
>>>> May 29 19:31:22 ndn nfd[19535]: 1590780682.561906 INFO:
>>>> [nfd.StrategyChoice] setDefaultStrategy
>>>> /8=localhost/8=nfd/8=strategy/8=best-route/8=%FD%05
>>>> May 29 19:31:22 ndn nfd[19535]: 1590780682.562793 INFO: [nfd.FaceTable]
>>>> Added face id=1 remote=internal:// local=internal://
>>>>
>>>>
>>>>
>>>>
>>>> *May 29 19:31:22 ndn kernel: nfd[19535]: segfault at 0 ip
>>>> 00005579576038c8 sp 00007ffc63e384b0 error 4 in nfd[557957481000+2d1000]May
>>>> 29 19:31:22 ndn systemd[1]: nfd.service: Main process exited, code=dumped,
>>>> status=11/SEGVMay 29 19:31:24 ndn systemd[1]: nfd.service: Failed with
>>>> result 'core-dump'.*
>>>> *May 29 19:31:24 ndn systemd[1]: Failed to start NDN Forwarding Daemon.*--
>>>> Subject: Unit nfd.service has failed
>>>
>>>
>>> Looks like a null pointer read when the nfd executable is being called.
>>>
>>> Regards,
>>> Ishita Dasgupta
>>>
>>>
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