getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

RE: getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

AlexVM — Mon, 02 Dec 2019 08:06:50 GMT

Hello Didrik,

I have now tested it with asset_tracker. And there it works with the newModem- FW.

I have further analyzed the problem and found the following: The problem seems to be that in my code I call getaddrinfo once before LTE is connected to the network. All subsequent calls to getaddrinfo (even when connected to LTE) where then unsuccessful - With the older modem-fw this was not a problem.

If I wait in the code to make the first call to getaddrinfo until LTE is connected (+CEREG=1), everything works.

Regards,
Alex

RE: getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

AlexVM — Fri, 29 Nov 2019 12:39:06 GMT

Hello Didrik,
Sorry, I didn't have time yet. I will do the testint this afternoon and will let you know asap when I have done the test.

Regards,
Alex

RE: getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

Didrik Rokhaug — Fri, 29 Nov 2019 09:57:59 GMT

Hi.

Did you test with the asset_tracker of mqtt_simple?

Did they work?

Best regards,

Didrik

RE: getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

AlexVM — Wed, 27 Nov 2019 12:36:16 GMT

Hello Didrik,

thank you for your response.

1. The only difference between the working and non-working code is the modem firmware: When I use nrf Connect v3.3.0 to programm the (old) modem-firmware (mfw_nrf9160_1.0.1.zip) everything works. If I do the same with mfw_nrf9160_1.1.0.zip the error in getaddrinfo appears. I did not modify anything else (ncs or code).

2. the NCS/nrf is head:

$ git log -1
commit 31936f7b0cd40ca23e462dc2e2b612150e1ca93e (HEAD -> master, origin/master)

3. it is in our own code, I will check it tomorrow with asset_tracker or mqtt_simple as well.

Regards,

Alex

RE: getaddrinfo returns error 12 with new modem firmware 1.1.0 worked with 1.0.1

Didrik Rokhaug — Wed, 27 Nov 2019 09:03:16 GMT

Hi.

[quote user=""]If I downgrade to version 1.0.1 everything works as expected[/quote]

Do you downgrade the modem firmware, or NCS?

Which NCS version are you using (what tag/commit are you on in the nrf folder)?

Is this from your own code? Are you able to run one of our samples, e.g. asset_tracker or mqtt_simple?

Best regards,

Didrik