https://bugzilla.kernel.org/show_bug.cgi?id=211807 Renaud R. (kernelorg@xxxxxxxxxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kernelorg@xxxxxxxxxxxxxxxx --- Comment #18 from Renaud R. (kernelorg@xxxxxxxxxxxxxxxx) --- My setup: * Latitude E5570 via dock DisplayPort * Kernel: https://bugzilla.kernel.org I randomly have blackscreen and I see in my logs (dmesg): * i915 0000:00:02.0: [drm] *ERROR* mstb 00000000adcef9b1 port 1: DPCD read on addr 0x4b0 for 1 bytes NAKed * [38971.851918] i915 0000:00:02.0: [drm] *ERROR* mstb 00000000adcef9b1 port 1: DPCD read on addr 0x4b0 for 1 bytes NAKed My laptop was reinstall from and old ubuntu 18.04 to 20.04. I can't remember the kernel used in Unbuntu 18.04 but I didn't have this issue. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
