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I think this problem just started in the new year.
I have three monitors connected to my two HD7970 cards which are chained via CrossFire.
After a random amount of time, my leftmost monitor shuts off.
If I unplug and replug this display port connector for that monitor, it starts working for a random period of time.
Here is my dmesg dump: https://hastebin.com/wosamalica.vbs
The relevant messages seem to be:
[Jan 5 22:06] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[ +0.000256] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[ +0.392786] [drm:radeon_dp_link_train [radeon]] *ERROR* displayport link status failed
[ +0.000043] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery failed
[ +0.188317] [drm:radeon_dp_link_train [radeon]] *ERROR* displayport link status failed
[ +0.000043] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery failed
[Jan 5 22:09] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[Jan 5 22:34] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[ +1.039640] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[ +0.330582] [drm:radeon_dp_link_train [radeon]] *ERROR* displayport link status failed
[ +0.000043] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery failed
[ +0.182031] [drm:radeon_dp_link_train [radeon]] *ERROR* displayport link status failed
[ +0.000038] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery failed
[Jan 5 22:35] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
[ +0.000241] [drm:radeon_crtc_page_flip [radeon]] *ERROR* failed to get vblank before flip
Is this a known issue with the radeon drivers?
Last edited by bradsk88 (2017-01-09 04:44:28)
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My active Mini-DisplayPort to DVI-D adapter looks to be defective.
Marking solved.
Last edited by bradsk88 (2017-01-09 04:44:38)
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