<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [IGT] kms_setmode@basic test fails vblank accuracy (18.018us, 0.1%) worse than a scanline" href="https://bugs.freedesktop.org/show_bug.cgi?id=99912#c35">Comment # 35</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [IGT] kms_setmode@basic test fails vblank accuracy (18.018us, 0.1%) worse than a scanline" href="https://bugs.freedesktop.org/show_bug.cgi?id=99912">bug 99912</a> from <a class="email" href="mailto:ricardo.o.perez@intel.com" title="Ricardo Perez <ricardo.o.perez@intel.com>"> Ricardo Perez</a> <pre>For CoffeeLake S UDIMM RVP QA system, the following test is failing : igt@kms_setmode@basic Running: IGT-Version: 1.21-g37bd27f (x86_64) (Linux: 4.15.0-rc9-drm-intel-qa-ww4-commit-59275f1+ x86_64) **** DEBUG **** (kms_setmode:11956) INFO: Testing: basic 1 connector combinations (kms_setmode:11956) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258, tiling=0x0, size=0) (kms_setmode:11956) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=7680) (kms_setmode:11956) INFO: Test id#1 CRTC count 1 (kms_setmode:11956) INFO: CRTC[37] [Pipe A] Mode: 1920x1080@60Hz Connectors: eDP-1[49] (kms_setmode:11956) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080, format=0x34325258, tiling=0x0, size=0) (kms_setmode:11956) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680) (kms_setmode:11956) INFO: Expected frametime: 16653us; measured 16653.0us +- 5.483us accuracy 0.10% [1.10 scanlines] (kms_setmode:11956) CRITICAL: Test assertion failure function check_timings, file kms_setmode.c:491: (kms_setmode:11956) CRITICAL: Failed assertion: accuracy < line_time(kmode) (kms_setmode:11956) CRITICAL: vblank accuracy (16.450us, 0.1%) worse than a scanline (14.922us) (kms_setmode:11956) igt-core-INFO: Stack trace: (kms_setmode:11956) igt-core-INFO: #0 [__igt_fail_assert+0x101] (kms_setmode:11956) igt-core-INFO: #1 [test_one_combination+0xd8c] (kms_setmode:11956) igt-core-INFO: #2 [main+0x525] (kms_setmode:11956) igt-core-INFO: #3 [__libc_start_main+0xf1] (kms_setmode:11956) igt-core-INFO: #4 [_start+0x2a] (kms_setmode:11956) igt-core-INFO: #5 [<unknown>+0x2a] **** END ****</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>