<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - igt/gem_userptr_blits fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=79237#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - igt/gem_userptr_blits fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=79237">bug 79237</a> from <a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> Guo Jinxian</a> <pre>Created <a href="attachment.cgi?id=102758" name="attach_102758" title="dmesg">attachment 102758</a> <a href="attachment.cgi?id=102758&action=edit" title="dmesg">[details]</a> dmesg (In reply to <a href="show_bug.cgi?id=79237#c6">comment #6</a>) > (In reply to <a href="show_bug.cgi?id=79237#c5">comment #5</a>) > > (In reply to <a href="show_bug.cgi?id=79237#c4">comment #4</a>) > > > > > > *** This bug has been marked as a duplicate of <a class="bz_bug_link bz_status_VERIFIED bz_closed" title="VERIFIED FIXED - [all]igt/gem_userptr_blits fails with OOM killer" href="show_bug.cgi?id=80208">bug 80208</a> *** > > > > <a class="bz_bug_link bz_status_VERIFIED bz_closed" title="VERIFIED FIXED - [all]igt/gem_userptr_blits fails with OOM killer" href="show_bug.cgi?id=80208">Bug 80208</a> had fixed, but this bug still able to reproduce on latest > > -nightly(271bff129a641b5b35d99c9eb0ceb866ca42f692),so reopen it. > > > > Output: > > root@x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# > > ./gem_userptr_blits > > IGT-Version: 1.7-ge74dd22 (x86_64) (Linux: > > 3.16.0-rc4_drm-intel-nightly_271bff_20140714+ x86_64) > > Aperture size is 2048 MiB > > Total RAM is 1894 MiB > > Subtest input-checking: SUCCESS > > Subtest usage-restrictions: SUCCESS > > Subtest invalid-mapping: SUCCESS > > Test assertion failure function test_forked_access, file > > gem_userptr_blits.c:583: > > Failed assertion: memcmp(ptr1, ptr2, PAGE_SIZE) == 0 > > Subtest forked-access: FAIL > > Subtest forbidden-operations: SUCCESS > > Testing unsynchronized mappings... > > Subtest create-destroy-unsync: SUCCESS > > Subtest unsync-overlap: SUCCESS > > Subtest unsync-unmap: SUCCESS > > Subtest unsync-unmap-cycles: SUCCESS > > Subtest unsync-unmap-after-close: SUCCESS > > Using 2x1365 1MiB buffers > > Verifying initialisation... > > Cyclic blits cpu->gpu, forward... > > Cyclic blits gpu->cpu, backward... > > Random blits... > > Subtest coherency-unsync: SUCCESS > > Bus error > > Please attach the usual dmesg and run with IGT_LOG_LEVEL=debug to explain > how it thinks you only have less than 2GiB of ram. I don't know how to use parameter "IGT_LOG_LEVEL=debug", and the device I used was 2GiB ram. but this bug is able to reproduce on other device too. Please check the output below and the dmesg in attachment. root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_userptr_blits IGT-Version: 1.7-ge74dd22 (x86_64) (Linux: 3.16.0-rc4_drm-intel-nightly_271bff_20140714+ x86_64) Aperture size is 2048 MiB Total RAM is 3837 MiB Subtest input-checking: SUCCESS Subtest usage-restrictions: SUCCESS Subtest invalid-mapping: SUCCESS Test assertion failure function test_forked_access, file gem_userptr_blits.c:583: Failed assertion: memcmp(ptr1, ptr2, PAGE_SIZE) == 0 Subtest forked-access: FAIL Subtest forbidden-operations: SUCCESS Testing unsynchronized mappings... Subtest create-destroy-unsync: SUCCESS Subtest unsync-overlap: SUCCESS Subtest unsync-unmap: SUCCESS Subtest unsync-unmap-cycles: SUCCESS Subtest unsync-unmap-after-close: SUCCESS Using 2x1365 1MiB buffers Verifying initialisation... Cyclic blits cpu->gpu, forward... Cyclic blits gpu->cpu, backward... Random blits... Subtest coherency-unsync: SUCCESS Bus error (core dumped) root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# free -m total used free shared buffers cached Mem: 3837 159 3677 1 15 68 -/+ buffers/cache: 75 3761 Swap: 3905 0 3905</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>