Mbed-os: EthernetInterface fails to connect from other than default thread

[amq]

Description

• Type: Bug
• Priority: Major

---

Bug

Target
UBLOX_C030_N211

Toolchain:
GCC_ARM

Toolchain version:
6-2017-q2-update

mbed-cli version:
1.2.2

mbed-os sha:
5f6572179d66ce4c09d6517b659ac51133cc980d

Expected behavior

Both examples should succeed to connect:

#include "mbed.h"
#include "EthernetInterface.h"

int main() {
    EthernetInterface net;
    int result = net.connect();
    while (true);
}

#include "mbed.h"
#include "EthernetInterface.h"

void test() {
    EthernetInterface net;
    int result = net.connect();
}

int main() {
    Thread *testThread = new Thread(osPriorityNormal, OS_STACK_SIZE * 8, NULL, "test_thread");
    testThread->start(callback(test));
    while (true);
}

Actual behavior

The second example consistently fails with -3004, while the first one is fine.

[0xc0170]

@ARMmbed/team-ublox please review

[RobMeades]

Confirmed that I can reproduce that here, will investigate...

[RobMeades]

The same thing happens on the generic ST NUCLEO_F429ZI target board, so I think this is somewhere in the STM32F4 platform code. Is this the correct team alias @ARMmbed/team-st-mcd for ST?

[jorisa]

Same here (NUCLEO-F767ZI):
https://os.mbed.com/forum/bugs-suggestions/topic/28418/

[RobMeades]

Just to complete the picture, both methods _do_ work on a K64F board, so this isn't a generic Mbed issue it is an ST Mbed platform issue. Adding some ST people in case the above team alias is not correct: @LMESTM, @jeromecoutant , @bcostm, @adustm.

[jsln]

I cannot reproduce the issue on a NUCLEO_F429ZI board. I have been trying with release 5.7.3 as well as the commit reported in the bug (sha 5f65721). I am using:

Target
NUCLEO_F429ZI

Toolchain:
GCC_ARM

Toolchain version:
7-2017-q4-major

mbed-cli version:
1.3.0

Please let me know if I can help with some additional test.

[bcostm]

Thanks @jsln for your help. We are going to make some trials with the 2nd example on different boards and we'll let you know.

[0xc0170]

7-2017-q4-major

might not be relevant, but important - supported version is GCC ARM 6

[bcostm]

No issue on our side and we use GCC ARM 6 (6-2017-q1-update).

[jeromecoutant]

Hi
Is this issue still present ?
Thx

[ciarmcom]

ARM Internal Ref: MBOTRIAGE-111

[jeromecoutant]

ST_TO_BE_CLOSED