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Graphics

MaxVasin
Journeyman III

Radeon 5700 XT with KVM Switch

I have Radeon 5700 XT, recently I've bought a KVM switch. When I connect monitor via KVM switch I see flickering every few seconds. In atikmdag_dce.log I see the following messages:

[+00:021:924] [Conn_Hotplug] [DP-3] - Connected
^
[+00:013:698] [Conn_Mode] [DP-3] {3840x2160, 3840x2160@60:1, 4000x2222@533250Khz}
^
[+00:004:667] [Conn_Mode] [DP-3] {3840x2160, 3840x2160@60:1, 4000x2222@533250Khz}
^
[+00:019:102] [Conn_LKTN] [DP-3] HBR2x4 pass VS=2, PE=0
^
[+03:334:108] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:321:005] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:320:168] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:329:332] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:332:255] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:331:846] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:318:100] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00
^
[+03:318:296] [Conn_LinkLoss] [DP-3] Status: 41 04 66 66 80 00

 

When I connect monitor directly to the video card there are no such messages (no Conn_LinkLoss). There is no such a problem on another machine with Intel video card.

 

What can I do to resolve the issue?

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