Px4-autopilot: Validate builds over GNU ARM GCC Toolchain 9

[TSC21]

Following https://github.com/PX4/Firmware/pull/14159, we need to validate the generated binaries in some flights. We can rather provide the binaries or provide instructions on how to install the new toolchain so they can be generated locally,

@PX4/testflights what is the best way to proceed here?

Thank you!

@MaEtUgR @dagar @LorenzMeier FYI

[dannyfpv]

tested on pixhawk4 v5 f-450

Modes Tested

Position Mode: Good.
Altitude Mode: Good.
Stabilized Mode: Good.
Mission Plan Mode (Automated): Good.
RTL: Good.

- Procedure
Arm and Take off in position mode, after flying for approximately one minute, switched to altitude then stabilized mode proceed to switch to mission plan mode then make sure that vehicle follows all waypoints as shown in QGC, once completed all waypoin activate RTL.

Notes:
No issues noted, good flight in general.

Log:

indoor flight log:
https://review.px4.io/plot_app?log=261e38b1-d7ac-4570-95fa-99594a160ad3

mission mode log:
https://review.px4.io/plot_app?log=23faea6e-298e-48ce-ad8d-83ec575a0d9d

[MaEtUgR]

I sent @Tony3dr GCC 9 built binaries for the other targets he requested.
I flew an fmu-v5 fixed wing and an omnibus racer myself already and had no related issues so far.

[jorge789]

Tested on PixRacer V4

Indoor Flight Test
Modes Tested
Stabilized Mode: Good.

Procedure
Arm and Take off in stabilized mode.

Notes
No issues noted, good flight in general.

Log
https://review.px4.io/plot_app?log=3959d2ea-60c4-42c2-8a73-117c40cb389b

https://review.px4.io/plot_app?log=11f463c1-d600-4117-bc77-7f639c67cef6

[Junkim3DR]

Tested on Pixhawk3 V4Pro

Indoor test flight.
Mode tested in Stabilized

Procedure
Takeoff and landing in Stabilized

Note
No issue noted.

Log

• https://review.px4.io/plot_app?log=94ad8fdd-b548-4ebf-8c57-36efc982d467
• https://review.px4.io/plot_app?log=1f3b9df5-58a6-4489-ab67-e0d59b0c5c2b

[TSC21]

@PX4/testflights excellent! Thank you very much!

[TSC21]

@dagar @MaEtUgR should we consider this validated?

[MaEtUgR]

should we consider this validated?

To not cause significant issues immediately yes. Since it's supported on master I'm doing all my development tests using GCC 9 and didn't find a problem yet. But we should still build 1.11 with the GCC we used for a long time now like we discussed.

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