[Bug 102988] New: [CFL] DUT doesn't get back from s3, s4 and freeze

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102988

            Bug ID: 102988
           Summary: [CFL] DUT doesn't get back from s3, s4 and freeze
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: armando.antoniox.mora.reos at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 134482
  --> https://bugs.freedesktop.org/attachment.cgi?id=134482&action=edit
dmesg  CFL-1

When I send the CFL to S3, S4 and Freeze, DUT is not able to get back from
these states with latest configuration.

When I run these tests without firmware and try to get back from any of these
states, I get video from the monitors but DUT still without response.

There is a physical swap partition available for these test

Steps:
1.-With a physical swap partition available run the following commands:
        # echo mem> /sys/power/state
        # echo disk > /sys/power/state
        # echo freeze > /sys/power/state
2.- Check that DUT is not able to get back from any of these states

This looks like a regression,  due to kernel 4.13-rc7-428ed2734 didn't present
this kind of issues.

Attached kernel.log, dmesg.log and configuration of two different CFL where
these tests were performed.  

When I send the CFL to S3, S4 and Freeze, DUT is not able to get back from
these states with latest configuration.

When I run these tests without firmware and try to get back from any of these
states, I get video from the monitors but DUT still without response.

There is a physical swap partition available for these test

Steps:
1.-With a physical swap partition available run the following commands:
        # echo mem> /sys/power/state
        # echo disk > /sys/power/state
        # echo freeze > /sys/power/state
2.- Check that DUT is not able to get back from any of these states

This looks like a regression,  due to kernel 4.13-rc7-428ed2734 didn't present
this kind of issues.

Attached kernel.log, dmesg.log and configuration of two different CFL where
these tests were performed.

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