Hello.
We are currently developing using Unreal Engine 5.5.4.
During playing, we encountered a crash that occurs only on devices with PowerVR GE8320 when change screen orientation.
The crash happens in glBlitFramebuffer() during screen rotation.
The occurred devices :
- Realme C2 (RMX1941) – Android 9, OpenGL ES 3.2 build 1.10@5130912
- Oppo A78 (CPH2483) – Android 12, OpenGL ES 3.2 build 1.10@5130912
Below is the crash backtrace that occurred when playing the engine template project with the OpenGL renderer on the Realme C2.
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'Realme/RMX1941/RMX1941:9/PPR1.180610.011/1616400576:user/release-keys'
Revision: '0'
ABI: 'arm64'
pid: 29871, tid: 30200, name: Thread-4 >>> com.YourCompany.MyProject <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4f0
Cause: null pointer dereference
x0 0000000000000001 x1 000000000000302a x2 0000000000000001 x3 00000070b4115600
x4 0000000000000000 x5 00000070b4115420 x6 0000000000000010 x7 00000000ffffffff
x8 0000000000000000 x9 0000000000000002 x10 0000000000000000 x11 000000000000302a
x12 00000000000002d0 x13 0000000000000001 x14 0000000000000001 x15 aaaaaaaaaaaaaaab
x16 000000710d69ecf8 x17 000000710d6dfba4 x18 00000071a15bb000 x19 00000070fc191780
x20 00000070fc1997e8 x21 00000070fc11dc00 x22 00000070fc195c80 x23 0000000000000000
x24 0000000000000000 x25 00000070b4115c08 x26 0000000000000000 x27 0000000000000000
x28 00000070b4115c18 x29 00000070b4115af0
sp 00000070b4115660 lr 000000710c91ed48 pc 000000710c91ed54
backtrace:
#00 pc 0000000000015d54 /vendor/lib64/egl/libGLESv2_mtk.so
#01 pc 0000000000015950 /vendor/lib64/egl/libGLESv2_mtk.so (glBlitFramebuffer+5320)
#02 pc 00000000121b2cd0 /data/app/com.YourCompany.MyProject-Di88srMiG05wSnVmTvF9xw==/lib/arm64/libUnreal.so (offset 0xaa5f000)
#03 pc 0000000012209524 /data/app/com.YourCompany.MyProject-Di88srMiG05wSnVmTvF9xw==/lib/arm64/libUnreal.so (offset 0xaa5f000) (FOpenGLDynamicRHI::UnlockTexture2DArray_RenderThread(FRHICommandListImmediate&, FRHITexture*, unsigned int, unsigned int, bool)+1200)
#04 pc 000000000c8e0e54 /data/app/com.YourCompany.MyProject-Di88srMiG05wSnVmTvF9xw==/lib/arm64/libUnreal.so (offset 0xaa5f000)
#05 pc 000000000c8ad5f0 /data/app/com.YourCompany.MyProject-Di88srMiG05wSnVmTvF9xw==/lib/arm64/libUnreal.so (offset 0xaa5f000) (GetTypeHash(FSamplerStateInitializerRHI const&)+40)