Details
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Bug
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Resolution: Incomplete
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P1: Critical
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None
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5.12.10, 5.15.2
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None
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Android
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2022wk24FOQtforAndroid, 2022wk32FOQtforAndroid, 2022wk42FOQtforAndroid
Description
I am seeing a lot of native OpenGL crashes in my Google Play Console for all my Qt Quick apps using Qt5.15.x and Qt5.12.x . In some of these cases I suspect OpenGL compatibility issues. At the AndroidManifest.xml level compatibility checks could be set up. For e.g. <supports-gl-texture/> or
<uses-feature android:glEsVersion="0x........" android:required="true" /> . But maybe there is a better solution that doesn't require filtering out devices...
Here are the 2 main OpenGL crashes happening on Android. They account for more than 1/2 of the crashes I'm seeing in my Google Play Console.
1) __egl_platform_color_conversion_needed
backtrace: #00 pc 0000000000012564 /vendor/lib/egl/libGLES_mali.so (__egl_platform_color_conversion_needed+4) #00 pc 0000000000012178 /vendor/lib/egl/libGLES_mali.so (__egl_platform_surface_post_processing_needed_android+12) #00 pc 00000000000712ec /vendor/lib/egl/libGLES_mali.so (__egl_mali_start_soft_job+112) #00 pc 000000000006b314 /vendor/lib/egl/libGLES_mali.so (__egl_mali_post_color_buffer+1112) #00 pc 000000000006ad50 /vendor/lib/egl/libGLES_mali.so (__egl_mali_post_to_window_surface+104) #00 pc 000000000006a054 /vendor/lib/egl/libGLES_mali.so (_egl_swap_buffers+392) #00 pc 0000000000068108 /vendor/lib/egl/libGLES_mali.so (eglSwapBuffers+72) #00 pc 000000000000ca45 /system/lib/libEGL.so (eglSwapBuffersWithDamageKHR+236) #00 pc 0000000000089cc7 /lib/arm/libplugins_platforms_qtforandroid_armeabi-v7a.so (QEGLPlatformContext::swapBuffers(QPlatformSurface*))
Only happens on devices with OpenGL ES version 2.0, Mediatek chips, <=1,024 MB RAM, Android 8.1 to Android 10. I suspect that this specific crash is limited to Mediatek - Android Go devices. I wasn't able to reproduce this crash as I do not have an Android Go device.
Maybe specifying android:glEsVersion="0x00030000" in the Android Manifest would fix the issue. But I have a Huawei P8 Lite running OpenGL ES 2.0 on a Kirin chip - had no issues with it. So doing this might filter out some good devices. Is there a better approach?
2) android::RefBase::incStrong
#00 pc 000000000000f608 /system/lib64/libutils.so (android::RefBase::incStrong(void const*) const+8) #00 pc 0000000000009bc4 /vendor/lib64/egl/eglSubDriverAndroid.so #00 pc 00000000000098fc /vendor/lib64/egl/eglSubDriverAndroid.so #00 pc 0000000000008aec /vendor/lib64/egl/eglSubDriverAndroid.so #00 pc 000000000022d300 /vendor/lib64/egl/libGLESv2_adreno.so #00 pc 000000000022ac4c /vendor/lib64/egl/libGLESv2_adreno.so #00 pc 0000000000129a48 /vendor/lib64/egl/libGLESv2_adreno.so #00 pc 000000000012a998 /vendor/lib64/egl/libGLESv2_adreno.so #00 pc 0000000000164d7c /vendor/lib64/egl/libGLESv2_adreno.so #00 pc 000000000018a1e8 /lib/arm64/libQt5Quick.so (QSGBatchRenderer::Renderer::renderBatches()+392)
or
#00 pc 000000000000f5f8 /system/lib64/libutils.so (android::RefBase::incStrong(void const*) const+8) #00 pc 0000000000a38928 /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a4995c /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a497a0 /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a71b24 /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000ad3bac /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a70a28 /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a6f358 /vendor/lib64/egl/libGLES_mali.so #00 pc 0000000000a66a2c /vendor/lib64/egl/libGLES_mali.so (glClear+124) #00 pc 000000000018a1e8 /lib/arm64/libQt5Quick.so (QSGBatchRenderer::Renderer::renderBatches()+392)
This bug doesn't seem limited to a specific OpenGL version, Android API level, Android NDK, Java version or system on chip. Nor it is limited to Qt. Check: https://hg.libsdl.org/SDL/rev/e021e083c42c - it comes with a complete stack trace. It also hints the cause, a way to reproduce the bug and a fix. However I haven't been successful in reproducing the bug on my own ... yet. Maybe it's a random rare crash.
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