<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - gem_userptr_blits@mlocked-* should skip due to memory pre-condition not met" href="https://bugs.freedesktop.org/show_bug.cgi?id=95427#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - gem_userptr_blits@mlocked-* should skip due to memory pre-condition not met" href="https://bugs.freedesktop.org/show_bug.cgi?id=95427">bug 95427</a> from <a class="email" href="mailto:christophe.prigent@intel.com" title="cprigent <christophe.prigent@intel.com>"> cprigent</a> <pre>(In reply to Emil Velikov from <a href="show_bug.cgi?id=95427#c3">comment #3</a>) > 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</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> </ul> </body> </html>