[Bug 72334] New: [BYT Regression]igt/drv_suspend/fence-restore-tiled2untiled fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72334

          Priority: high
            Bug ID: 72334
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BYT
                    Regression]igt/drv_suspend/fence-restore-tiled2untiled
                    fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 90289
  --> https://bugs.freedesktop.org/attachment.cgi?id=90289&action=edit
dmesg

System Environment:
--------------------------
Platform: BYT
kernel:   (drm-intel-nightly)ddd0a9e2da6087c7aac74aca34fcdc90645cbdb4

Bug detailed description:
-------------------------
It fails on BYT with -nightly and -fixes kernel, It works well on -queued
kernel.
igt/drv_suspend/fence-restore-untiled also fails.

The latest known bad commit: 5ae68b413214e847a2b5c6d3c65778482542bc1
The latest known good commit: 1fbc0d789d12fec313c91912fc11733fdfbab863

output:
rtcwake: wakeup from "mem" using /dev/rtc0 at Mon Jan  1 03:57:15 2001
checking the first canary object
Test assertion failure function test_fence_restore, file drv_suspend.c:83:
Failed assertion: ptr1[i] == i
Subtest fence-restore-tiled2untiled: FAIL

Reproduce steps:
----------------------------
1. ./drv_suspend --run-subtest fence-restore-tiled2untiled

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