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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] [KBL/IVB] kms_frontbuffer_tracking some subtest fail Test assertion failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101178#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] [KBL/IVB] kms_frontbuffer_tracking some subtest fail Test assertion failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101178">bug 101178</a>
from <span class="vcard"><a class="email" href="mailto:armando.antoniox.mora.reos@intel.com" title="Armando Antonio <armando.antoniox.mora.reos@intel.com>"> <span class="fn">Armando Antonio</span></a>
</span></b>
<pre>Hi, I tried to reproduce the following test case on KBL with latest
configuration and this is what I found.
=================================
Test list
=================================
igt@kms_frontbuffer_tracking@fbc-1p-offscren-pri-shrfb-draw-blt
igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-mmap-wc
Results:
this test case is working well now,
igt@kms_frontbuffer_tracking@fbc-1p-offscren-pri-shrfb-draw-blt
this igt@kms_frontbuffer_tracking@fbc-2p-primscrn-pri-shrfb-draw-mmap-wc is
failing with the following assert.
(kms_frontbuffer_tracking:2427) igt-debugfs-DEBUG: CRC mismatch at index 0:
0x941b2438 != 0xd15675fd
(kms_frontbuffer_tracking:2427) igt-debugfs-CRITICAL: Test assertion failure
function igt_assert_crc_equal, file igt_debugfs.c:325:
(kms_frontbuffer_tracking:2427) igt-debugfs-CRITICAL: Failed assertion:
!mismatch
(kms_frontbuffer_tracking:2427) igt-core-INFO: Stack trace:
(kms_frontbuffer_tracking:2427) igt-core-INFO: #0 [__igt_fail_assert+0x101]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #1 [igt_assert_crc_equal+0x5d]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #2
[do_crc_assertions.part.34+0x58]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #3 [__do_assertions+0x1f9]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #4 [draw_subtest+0x10d]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #5 [main+0x112d]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #6 [__libc_start_main+0xf1]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #7 [_start+0x29]
(kms_frontbuffer_tracking:2427) igt-core-INFO: #8 [<unknown>+0x29]
**** END ****
Subtest fbc-2p-primscrn-pri-shrfb-draw-mmap-wc: FAIL (0.784s)
new dmesg attached</pre>
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