Problem does not go away with a different profile. If X restarts instead of the machine hanging, I see this:
[ 417.197517] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0 [ 417.197543] HDMI status: Pin=3 Presence_Detect=1 ELD_Valid=1 [ 417.610845] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0 [ 417.610871] HDMI status: Pin=3 Presence_Detect=0 ELD_Valid=0 [ 419.133733] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0 [ 419.133759] HDMI status: Pin=3 Presence_Detect=0 ELD_Valid=0 [ 419.309745] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0 [ 419.309769] HDMI status: Pin=3 Presence_Detect=1 ELD_Valid=1
Problem does not go away with a different profile. If X restarts instead of the machine hanging, I see this:
[ 417.197517] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0
[ 417.197543] HDMI status: Pin=3 Presence_Detect=1 ELD_Valid=1
[ 417.610845] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0
[ 417.610871] HDMI status: Pin=3 Presence_Detect=0 ELD_Valid=0
[ 419.133733] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0
[ 419.133759] HDMI status: Pin=3 Presence_Detect=0 ELD_Valid=0
[ 419.309745] HDMI hot plug event: Pin=3 Presence_Detect=1 ELD_Valid=0
[ 419.309769] HDMI status: Pin=3 Presence_Detect=1 ELD_Valid=1