PIXEL: ioctl err: 1 on non-emulated Pixel hardware about maplibre-native HOT 18 OPEN

I cannot reproduce the problem, but this style is also known to be malfunctioning. Try with another tile source please.

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Did you use a real pixel device? Not an emulated one?
Me and my colleagues can reproduce it independent of a particular style on these phones.

There are other styles causing this issue even more like this:
https://demotiles.maplibre.org/styles/osm-bright-gl-terrain/style.json

and not so frequent but still explorable especially when pinch to zoom closely:
https://demotiles.maplibre.org/style.json

please note those are styles provided in your demo application.

How should we proceed, please advise,

Cheers
C

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I tested on a Samsung S10 and a Google Pixel 7.

What version of OkHttp are you using?

Does the error occur if you don't set the HTTP client?

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The one mentioned in the discussion, let's see:

implementation("com.squareup.okhttp3:okhttp:4.11.0")

Without the client I am not able to fetch the style, am I?

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@chjaeggi It is not needed, it will fall back to the default ok http client (it is a dependency).

Edit: The 10.2.0 release used OkHttp 4.10.0, so it should be compatible. But you might want to try removing it.

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I removed everything related to OKHttp, it really seems an issue with your code accessing disk (as the device is getting hot after a time, not sure about that as I/O could relate to network communication)

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Can you provide more output?

Does it happen on other phones too?

What Android version are you using?

We do benchmarking and Android UI tests on Pixel devices and we have not encountered this issue.

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At the moment all I have is this:

2024-02-20 16:45:20.705 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.715 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.732 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.749 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.764 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.784 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1
2024-02-20 16:45:20.799 15143-15375 recomposesample         ch.exmple.mapslibrecomposesample     E  PIXEL: ioctl err: 1

... errors counting heavily up

There is not more output besides that line unfortunately.

Other phones yes: each pixel we tested so far (Pixel 8 Pro, Pixel Foldable, Pixel 5 and Pixel 4)
Version Android 13 and 14.

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One last thing you could try is to use an AppCompatActivity instead of a ComponentActivity, since that is what is used for all our testing.

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hey there thanks for the support! Unfortunately no success either with an AppCompatActivity and
theme <style name="Theme.MapsLibreComposeSample" parent="Theme.AppCompat.NoActionBar" />.

Same error still.

It really is strange that you cannot observe these events on none of your pixel phones

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I assume while looking at the code those errors can only originate from the:
MapboxGLSurfaceView class which does the heavy lifting and also the error occurs when wandering around the map

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any updates?

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@chjaeggi Can you try this? I just built it myself and ran it on a clean Pixel 8 Pro (no error). https://drive.google.com/file/d/1FVM4ypLjiRaVxE4jUJuwJRhIj6v_-MKx/view?usp=sharing

If it works there is something wrong with your build setup. If it doesn't work there is probably something wrong with your devices...

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animated location indicator

This might be what is making the phone hot. I'll merge this today and release a new pre-release, maybe you could see if that fixes it. #2182

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What release number would that be? Is it merged already? Thanks for the help

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Thhat is a build from main, so the upcoming 11.0.0 release.

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sorry for the hassle i generate. any update when this will be released? I have a hard time to debug with all thoses errors and I would love to test the new release. Is there a way I can locally build one myself?

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@chjaeggi No problem. The 11.0.0 release is scheduled for the end of this month.

You can build the library with ./gradlew assemble in platform/android. Make sure to clone the submodules. https://github.com/maplibre/maplibre-native/blob/main/platform/android/DEVELOPING.md#getting-the-source

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