IOS GL glReadPixels 崩溃问题

[wzw88486969]

libsystem_platform.dylib      	0x183223b40 _sigtramp + 36 (sigtramp.c:109)
AGXMetalA10                   	0x1a2ce15d8 AGX::Texture<(AGXTextureMemoryLayout)1, AGX::G9::Encoders, AGX::G9::Classes>::readRegion(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, void*, unsigned long, unsigned long) + 904 (agxa_texture_template.hpp:1038)
AGXMetalA10                   	0x1a2ce15d8 AGX::Texture<(AGXTextureMemoryLayout)1, AGX::G9::Encoders, AGX::G9::Classes>::readRegion(unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, void*, unsigned long, unsigned long) + 904 (agxa_texture_template.hpp:1038)
AGXMetalA10                   	0x1a2ccaa7c -[AGXA10FamilyTexture getBytes:bytesPerRow:bytesPerImage:fromRegion:mipmapLevel:slice:] + 84 (agxa_texture_objc.mm:355)
AppleMetalGLRenderer          	0x1a2d3e8a0 gldReadFramebufferData + 1260 (glr_framebuffer.mm:549)
GLEngine                      	0x1a3a98074 glReadPixels_Exec + 1124 (gl_read_pixels.c:329)

各位前辈帮忙看看，谢谢了，
自己测试机复现不了，在客户机上能复现
IOS 系统11.2.5

[wzw88486969]

5 libsystem_platform.dylib 0x0000000181f3bb40 _sigtramp + 36 6 AGXMetalA9 0x00000001a1ba47b0 AGXMetalA9 + 280496 7 AGXMetalA9 0x00000001a1ba47b0 AGXMetalA9 + 280496 8 AGXMetalA9 0x00000001a1b8dc54 AGXMetalA9 + 187476 9 AppleMetalGLRenderer 0x00000001a1c308a0 gldReadFramebufferData + 1260 10 GLEngine 0x00000001a298b074 glReadPixels_Exec + 1124 我也碰到这个，不知道怎么解