https://bugs.freedesktop.org/show_bug.cgi?id=77529
--- Comment #3 from Ilia Mirkin <[email protected]> --- (In reply to comment #2) > (In reply to comment #1) > > Is it some enormous monitor (resolution-wise)? > No. > > > Is this a laptop + dock? If so, which ones? > No. It is multimonitor, 4xminiDP videocard: > http://www.nvidia.com/object/nvs-510-graphics-card.html > > > Can you check if there's a kworker taking up 100% of cpu time (of 1 cpu)? > Checked, no. > > > Is the monitor actually connected via DP, or is it a DP -> HDMI (or DVI) > > situation? > All four monitors are connected via Apple miniDP to VGA adapters: > http://store.apple.com/us/product/MB572Z/B/mini-displayport-to-vga-adapter Very interesting. So you have 4 identical DP->VGA adapters, each plugged into similar (identical?) monitors, and DP-3 is always the one that fails? Can you attach a dmesg when booting with nouveau.debug=VBIOS=trace,PDISP=trace drm.debug=0xe That should provide a bunch of debug info, perhaps even enough to tell what's going on. Additionally, please attach your vbios (/sys/kernel/debug/dri/0/vbios.rom). -- You are receiving this mail because: You are the assignee for the bug.
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