I don't think the mouse is relevant because those SYN_DROPPED messages
are not frequent enough.
The main issue appears to be the SAMSUNG repeatedly reconnecting. This
suggests it needs a better HDMI cable or isn't plugged in properly. But
it could also be a bug in the Nvidia driver thinking the TV is being
plugged in repeatedly.
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): connected
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): Internal TMDS
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): 300.0 MHz maximum pixel clock
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0):
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): connected
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): Internal TMDS
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): 300.0 MHz maximum pixel clock
Jun 26 11:27:02 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0):
Jun 26 11:27:03 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): connected
Jun 26 11:27:03 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): Internal TMDS
Jun 26 11:27:03 gid-B650M-DS3H /usr/libexec/gdm-x-session[2809]: (--)
NVIDIA(GPU-0): SAMSUNG (DFP-7): 300.0 MHz maximum pixel clock
** Changed in: nvidia-graphics-drivers-535 (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/2070352
Title:
System Freezes with Disabled TV Connected via HDMI
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