[Bug 107167] New: constantly firing events while screen attached to NVIDIA card is disabled - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 107167] New: constantly firing events while screen attached to NVIDIA card is disabled
Date: Mon, 09 Jul 2018 14:10:10 +0000	[thread overview]
Message-ID: <bug-107167-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=107167

            Bug ID: 107167
           Summary: constantly firing events while screen attached to
                    NVIDIA card is disabled
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: sam-qkiumcfQ8OTe9xe1eoZjHA@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 140522
  --> https://bugs.freedesktop.org/attachment.cgi?id=140522&action=edit
output of 'udevadm monitor -p | ts' while screen is locked

I've got a Lenovo P50 with hybrid graphics cards:

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro M2000M]
(rev a2)

The internal display is connected to the Intel card. External display ports are
wired to the NVIDIA card. I'm using the autobind-GPUs Xorg patch so that I
don't have to run `xrandr --setprovideroutputsource` in order to make the
external ports usable.

While I'm away from the system, the monitor gets blanked. While it's in this
state, I see many change events from the NVIDIA device (udevadm monitor output
attached). This exacerbates a memory leak in gnome-desktop that causes clients
to consume several GiB of memory after I come back to the laptop, having left
it idle over the weekend.

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