blender crashes right after adding image texture to material in cycles #38501
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Reference: blender/blender#38501
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System Information
Vista 32
amd HD 4800series
Blender Version
Broken:
88843caWorked:
4b206afShort description of error
blender crashes right after adding image texture to material ( in panel or in node editor)
it will crash only with image color space set to color works fine with non-color
Exact steps for others to reproduce the error
add image texture to material and press render
Changed status to: 'Open'
Added subscriber: @niewinny
Added subscriber: @brecht
Which CPU/processor model do you have? It's show in Control Panel > System I think.
Probably this is related to recent SSE optimizations which might not work on all processors.
Intel core2 Duo E8400 3.00 GHz but working on 32 vista
Added subscriber: @ThomasDinges
SIMD is disabled for x32 so this should not be a problem, but I admit I haven't really tested on x32 for ages...
I'll have to test this a 32 bit windows build then, not sure why this would be a problem since this is a modern CPU supporting enough SSE instructions.
Added subscriber: @Lockal
Crash occurs in SSE code (either _mm_load_ps or cast to (__m128&) for unaligned data -- remember, that float3 and float4 are not aligned in win32). Assigned to myself.
This issue was referenced by blender/blender-addons-contrib@7096529704
This issue was referenced by
7096529704Changed status from 'Open' to: 'Resolved'
Closed by commit
7096529704.@ThomasDinges: SSE kernels are enabled on win32 (except for SSE41 and AVX).
Note for myself to retest the next msvc 2008 build from buildserver: for now I have checked only with cmake and msvc 2012.
Thanks!
Changed status from 'Resolved' to: 'Open'
MSVC 2008 builds still crash, investigating...
Changed status from 'Open' to: 'Resolved'
Closed by commit
bd44dcb632.Now tested with an actual MSVC 2008 Express. This bug in MSVC 2008 in 32-bit mode is severe. If other __m128 loads from float3/float4 crash, it would be a good idea to disable SSE for MSVC 2008 in 32-bit mode.