Sony TV Standby: The Mouse/Screen Lag Culprit You Didn’t Know About

[ 3989.024] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): connected
[ 3989.024] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): Internal TMDS
[ 3989.024] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): 600.0 MHz maximum pixel clock
[ 3989.024] (--) NVIDIA(GPU-0): 
[ 3989.070] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): connected
[ 3989.070] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): Internal TMDS
[ 3989.070] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): 600.0 MHz maximum pixel clock
[ 3989.070] (--) NVIDIA(GPU-0): 
[ 4003.977] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): connected
[ 4003.977] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): Internal TMDS
[ 4003.977] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): 600.0 MHz maximum pixel clock
[ 4003.977] (--) NVIDIA(GPU-0): 
[ 4004.022] (II) event5 - E-Signal/A-One USB Gaming Mouse: SYN_DROPPED event - some input events have been lost.
[ 4004.065] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): connected
[ 4004.065] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): Internal TMDS
[ 4004.065] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): 600.0 MHz maximum pixel clock
[ 4004.065] (--) NVIDIA(GPU-0): 
[ 4004.176] (EE) event5 - E-Signal/A-One USB Gaming Mouse: client bug: event processing lagging behind by 61ms, your system is too slow
[ 4019.988] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): connected
[ 4019.988] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): Internal TMDS
[ 4019.988] (--) NVIDIA(GPU-0): SONY TV *00 (DFP-2): 600.0 MHz maximum pixel clock

The Setup:

  • You have a Linux or Windows PC with an Nvidia graphics card (RTX 2060 in my case).
  • You also have a Sony TV connected via HDMI.

The Problem:

  • Even when the Sony TV is in standby mode, your Nvidia card keeps trying to connect to it every few seconds.
  • This constant connection attempt shows up in your Xorg logs as repeated “SONY TV *00 connected” messages.
  • This resource drain causes significant mouse lag, making your system feel sluggish and unresponsive.

The Cause:
The exact cause of the lag is unclear, but it’s likely related to the Nvidia driver attempting to maintain a connection with the TV even when it’s not in use.

The Solutions:

  • HDMI Disconnect: The simplest fix. Unplug the cable when not using the TV, no connection, no lag.
  • TV Power Off: Go nuclear! Turn off the TV completely, no power, no problem. Just no late-night movies either.
  • KVM Switch: Invest in a KVM switch, effortlessly switch between displays and cut off the laggy HDMI connection.
  • TV On: Embrace the inevitable. If you use the TV frequently, just leave it on. Less lag, but more power consumption.
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