<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#c9">Comment # 9</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=103165" name="attach_103165" title="dmesg">attachment 103165</a> <a href="attachment.cgi?id=103165&action=edit" title="dmesg">[details]</a> dmesg (In reply to <a href="show_bug.cgi?id=79237#c8">comment #8</a>) > (In reply to <a href="show_bug.cgi?id=79237#c7">comment #7</a>) > > > 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. > > It's an environment variable, so use as: > > $ IGT_LOG_LEVEL=debug ./gem_userptr_blits > > The missing memory check should be performed by: > > commit 52ac9a4b57f20f2dc019a973237f2f97ddb0ebf3 > Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > Date: Mon Jul 14 10:30:36 2014 +0100 > > igt/gem_userptr_blits: Add missing RAM check before coherency tests > > References: <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - igt/gem_userptr_blits fails" href="show_bug.cgi?id=79237">https://bugs.freedesktop.org/show_bug.cgi?id=79237</a> > Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > > That should be enough to stop it from running out of memory. Tested with igt 4d4f4b213ca95dad59bdf8080d7bb034aa2d307a, the result shows below: [root@x-bdw01 tests]# IGT_LOG_LEVEL=debug ./gem_userptr_blits IGT-Version: 1.7-g4d4f4b2 (x86_64) (Linux: 3.16.0-rc5_drm-intel-nightly_873440_20140721+ x86_64) Aperture size is 4096 MiB Total RAM is 3882 MiB Subtest input-checking: SUCCESS Subtest usage-restrictions: SUCCESS Subtest invalid-mapping: SUCCESS Test assertion failure function copy, file gem_userptr_blits.c:221: Failed assertion: ret == error Last errno: 5, Input/output error child 0 failed with exit status 99 Subtest forked-access: FAIL Subtest forbidden-operations: SUCCESS Testing unsynchronized mappings... Subtest create-destroy-unsync: SUCCESS Subtest unsync-overlap: SUCCESS Test assertion failure function copy, file gem_userptr_blits.c:221: Failed assertion: ret == error Last errno: 5, Input/output error Subtest unsync-unmap: FAIL Test assertion failure function copy, file gem_userptr_blits.c:221: Failed assertion: ret == error Last errno: 5, Input/output error Subtest unsync-unmap-cycles: FAIL Test assertion failure function copy, file gem_userptr_blits.c:221: Failed assertion: ret == error Last errno: 5, Input/output error Subtest unsync-unmap-after-close: FAIL Checking 2730 surfaces of size 1048576 bytes (total 2864013312) against RAM Using 2x2730 1MiB buffers Verifying initialisation... Cyclic blits cpu->gpu, forward... Test assertion failure function copy, file gem_userptr_blits.c:221: Failed assertion: ret == error Last errno: 5, Input/output error Subtest coherency-unsync: FAIL Segmentation fault (core dumped)</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>