[Bug 103520] [IGT] kms_pipe_crc_basic fails due to PM early wake event detected.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103520

--- Comment #4 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
(In reply to krisman from comment #3)
> (In reply to Elizabeth from comment #0)
> >
> If I'm not mistaken, that is from USB.  Do you have any gadgets connected to
> the box?  Try unplugging those prior to running the test.  Looks like you
> have a misbehaving gadget.
Sorry for the delay, I tested without anything besides Ethernet cable connected
to the laptop. I tried with and without external monitor connected, and result
keeps being the same, once pass, twice fails with PM error message each time it
fails.

$ : sudo -E ./kms_pipe_crc_basic --r suspend-read-crc-pipe-A
IGT-Version: 1.20-g88d6550 (x86_64) (Linux:
4.14.0-drm-intel-qa-ww46-commit-1fc4fe8+ x86_64)
suspend-read-crc-pipe-A: Testing connector LVDS-1 using pipe A
suspend-read-crc-pipe-A: Testing connector VGA-1 using pipe A
suspend-read-crc-pipe-A: Testing connector DP-3 using pipe A
[cmd] rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Nov 16 07:20:01 2017
(kms_pipe_crc_basic:3923) igt-core-WARNING: [cmd] rtcwake: write error
(kms_pipe_crc_basic:3923) igt-aux-CRITICAL: Test assertion failure function
suspend_via_rtcwake, file igt_aux.c:809:
(kms_pipe_crc_basic:3923) igt-aux-CRITICAL: Failed assertion: ret == 0
(kms_pipe_crc_basic:3923) igt-aux-CRITICAL: rtcwake failed with 1
Check dmesg for further details.
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [igt_system_suspend_autoresume+0x5ae]
  #2 [<unknown>+0x5ae]
  #3 [<unknown>+0x5ae]
Subtest suspend-read-crc-pipe-A failed.

$ : sudo -E ./kms_pipe_crc_basic --r suspend-read-crc-pipe-A
IGT-Version: 1.20-g88d6550 (x86_64) (Linux:
4.14.0-drm-intel-qa-ww46-commit-1fc4fe8+ x86_64)
suspend-read-crc-pipe-A: Testing connector LVDS-1 using pipe A
suspend-read-crc-pipe-A: Testing connector VGA-1 using pipe A
suspend-read-crc-pipe-A: Testing connector DP-3 using pipe A
[cmd] rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Nov 16 07:20:08 2017
suspend-read-crc-pipe-A: Testing connector LVDS-1 using pipe A
suspend-read-crc-pipe-A: Testing connector VGA-1 using pipe A
suspend-read-crc-pipe-A: Testing connector DP-3 using pipe A
Subtest suspend-read-crc-pipe-A: SUCCESS (4.138s)

$ : dmesg | grep PM:
[   42.019984] PM: suspend entry (deep)
[   42.019986] PM: Syncing filesystems ... done.
[   42.120102] PM: Device 0000:00:1d.0 failed to suspend async: error -16
[   42.570211] PM: Some devices failed to suspend, or early wake event detected
[   43.011696] PM: suspend exit
[   48.781766] PM: suspend entry (deep)
[   48.781769] PM: Syncing filesystems ... done.
[   49.416702] PM: Saving platform NVS memory
[   49.484019] PM: Restoring platform NVS memory
[   50.880846] PM: suspend exit

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