Public bug reported:
When the system run at 2560x1440 distribution, the screen would go blank on
Cherry Hill(Intel I915) platform. But the platform works well on windows system.
The system start normally in X-windows-disabled, then I switch to X Windows,
the screen will go blank.
command: dmesg | grep drm
output: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A
FIFO underrun
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1669222
Title:
2560x1440 platform FIFO underrun error
Status in linux package in Ubuntu:
New
Bug description:
When the system run at 2560x1440 distribution, the screen would go blank on
Cherry Hill(Intel I915) platform. But the platform works well on windows system.
The system start normally in X-windows-disabled, then I switch to X
Windows, the screen will go blank.
command: dmesg | grep drm
output: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A
FIFO underrun
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