[Bug 117181] New: graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[Bug 117181] New: graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

            Bug ID: 117181
           Summary: graphic glitches for Kernel > 4.2 Intel HD 5xx and
                    skylake
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.5.2
          Hardware: Intel
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: yves.dufournaud@gmail.com
        Regression: No

I am on an Asus UX305UA-FC057T
- Intel Core i7-6500U
- Intel HD Graphics 5500

when using kernel above > 4.2, I observe punctual screen glitch similar to
those seen on image linked. This happens through the usage of cinamon (3d) on
linux mint. But still I do use version 4.5.2 compiled by myself.

uname -a
Linux yves-asus 4.5.2 #2 SMP Sun Apr 24 20:17:09 CEST 2016 x86_64 x86_64 x86_64
GNU/Linux

The glitch happens only with new kernel, previous kernel like 4.2.xxx are
working fine for display with same system (they have othere issues).

And seems (as a user point of view) be linked to a certain pattern: 
menu compositing + mouse hovering.

Image showing the issue
https://forums.linuxmint.com/download/file.php?id=26842&sid=ae05af439953d8fac51a9658d2eba0c1&mode=view

it's flickering: so the screen is scrambled, and then normal

Thank you for your time,

Yves

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[Bug 117181] graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

--- Comment #1 from yves.dufournaud@gmail.com ---
there is another issue: resuming from suspend to ram is failing, I would have
filled a separate bug, but apparently it can be linked to graphics.

following the instruction here:
https://01.org/linuxgraphics/documentation/development/how-debug-suspend-resume-issues

S3 suspend (a.k.a Suspend To RAM):
dmesg > dmesg_before; echo mem > /sys/power/state; dmesg > dmesg_after

the machine go to sleep : led blinking
after pressing power button, make machine reboot.
but dmesg_after exists with same content as dmesg_before, so quoting source:

"If dmesg_after exists, it means that the system can be resumed from BIOS, so
it's likely to be a graphics issue. Otherwise, it's not related to graphics and
don't report it to freedesktop.org bugzilla."

will try to set Enable "CONFIG_PM_DEBUG" for next test

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[Bug 117181] graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

--- Comment #2 from yves.dufournaud@gmail.com ---
tested with CONFIG_PM_DEBUG with core/processors/device

dmesg > dmesg_before; echo mem > /sys/power/state; dmesg > dmesg_after

machine resume after few second, but mouse pointer is lost (not visible/not
acting)

joined dmesg_after

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[Bug 117181] graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

--- Comment #3 from yves.dufournaud@gmail.com ---
Created attachment 214301
  --> https://bugzilla.kernel.org/attachment.cgi?id=214301&action=edit
dmesg_after.txt

output of dmesg > dmesg_before; echo mem > /sys/power/state; dmesg >
dmesg_after

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[Bug 117181] graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

yves.dufournaud@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes

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[Bug 117181] graphic glitches for Kernel > 4.2 Intel HD 5xx and skylake

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=117181

Jani Nikula <jani.nikula@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Jani Nikula <jani.nikula@intel.com> ---
Please file all drm/i915 bugs at
https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel

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