[Bug 105915] [IGT] igt at kms_cursor_crc@cursor-128x128-rapid-movement / cursor-256x256-rapid-movement igt-debugfs-WARNING: Warning on condition crc->crc[i] == 0xffffffff in function crc_sanity_checks, file igt_debugfs.c:833

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105915

            Bug ID: 105915
           Summary: [IGT] igt at kms_cursor_crc@cursor-128x128-rapid-movement
                    / cursor-256x256-rapid-movement igt-debugfs-WARNING:
                    Warning on condition crc->crc[i] == 0xffffffff in
                    function crc_sanity_checks, file igt_debugfs.c:833
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: IGT
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: ricardo.o.perez at intel.com

Created attachment 138642
  --> https://bugs.freedesktop.org/attachment.cgi?id=138642&action=edit
dmesg and kern-logs

CNL QA systems are showing a WARN with the following tests:

igt at kms_cursor_crc@cursor-128x128-rapid-movement
igt at kms_cursor_crc@cursor-256x256-rapid-movement

Software Version:

IGT-Version: 1.22-g0721161 (x86_64) (Linux:
4.16.0-rc6-drm-intel-qa-ww12-commit-4db112a+ x86_64)

Warn:

Beginning cursor-256x256-rapid-movement on pipe A, connector eDP-1

cursor-256x256-rapid-movement on pipe A, connector eDP-1: PASSED

Beginning cursor-256x256-rapid-movement on pipe A, connector HDMI-A-1

cursor-256x256-rapid-movement on pipe A, connector HDMI-A-1: PASSED

Beginning cursor-256x256-rapid-movement on pipe B, connector eDP-1

cursor-256x256-rapid-movement on pipe B, connector eDP-1: PASSED

Beginning cursor-256x256-rapid-movement on pipe B, connector HDMI-A-1

cursor-256x256-rapid-movement on pipe B, connector HDMI-A-1: PASSED

Beginning cursor-256x256-rapid-movement on pipe C, connector eDP-1

cursor-256x256-rapid-movement on pipe C, connector eDP-1: PASSED

Beginning cursor-256x256-rapid-movement on pipe C, connector HDMI-A-1

cursor-256x256-rapid-movement on pipe C, connector HDMI-A-1: PASSED

Subtest cursor-256x256-rapid-movement: SUCCESS (4.677s)

-------------

kms_cursor_crc:18385) igt-debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file igt_debugfs.c:833
(kms_cursor_crc:18385) igt-debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20180405/63e49468/attachment.html>