Comment # 4
on bug 95427
from cprigent
(In reply to Emil Velikov from comment #3) > Guys have you actually looked at the following line ? > Aperture size is 268435456 MiB -- That is 256 TiB !!! > > That's rather impossible amount if you ask me. So there's either a bug in > IGT's gem_aperture_size() or one of the two ioctls > (I915_GEM_CONTEXT_GETPARAM I915_GEM_GET_APERTURE) that it uses. > > With a couple of print statements you should be able to quickly track the > exact offender. Good luck ! Yes, we saw it. The bug is reported to IGT (not to DRM/Intel). We propose the test should skip. I just checked on our IVB platform with 32 GB of memory. Looks like we would need now 2 TB. root@IVB102:/opt/X11R7/src/intel-gpu-tools/tests# ./gem_userptr_blits --run-subtest mlocked-normal-sync IGT-Version: 1.15-ge3abb20 (x86_64) (Linux: 4.7.0-nightly+ x86_64) Aperture size is 2048 MiB Total RAM is 31,945 MiB Testing unsynchronized mappings... Testing synchronized mappings... Killed
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