My app crashes when starting on some devices

Hi! My unity app crashes when starting on SOME devices (android 2.3) right after splash (or unity logo) becomes hidden. I found those logs:

 01-30 20:22:55.740 D/Unity   (29199): GL_EXT_CHAINFIRE3D GL_IMG_texture_format_BGRA8888 GL_OES_mapbuffer GL_AMD_compressed_3DC_texture GL_AMD_compressed_ATC_texture GL_AMD_performance_monitor GL_AMD_program_binary_Z400 GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_type_2_10_10_10_REV GL_NV_fence GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth_texture GL_OES_depth24 GL_OES_EGL_image GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_fragment_precision_high GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_texture_3D GL_OES_texture_float GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_half_float GL_OES_vertex_type_10_10_10_2 GL_QCOM_binning_control GL_QCOM_driver_control GL_QCOM_perfmon_global_mode GL_QCOM_extended_get GL_QCOM_extended_get2 GL_QCOM_tiled_rendering GL_QCOM_writeonly_rendering GL_QCOM_memory_monitor 
 01-30 20:22:55.760 D/lib_locapi(  246): loc_event_cb: xtra download requst
 01-30 20:22:56.000 D/dalvikvm(29199): GetMethodID: method not found: Landroid/view/Display;.getRawWidth:()I
 
 ...
 
 01-30 20:23:06.440 W/kernel  (  125): [54073.788360] select 29199 (ames.MyApp), adj 0, size 57459, to kill
 01-30 20:23:06.440 W/kernel  (  125): [54073.788391] send sigkill to 29199 (ames.MyApp), adj 0, size 57459

what is Landroid/view/Display;.getRawWidth? I suppose that is the problem on some devices