@Sangho,
Can you add 'nomodeset' in the bootargs to disable the graphic hw accel.
After booting up, check 'sudo dmesg' to make sure there is no "[drm]
amdgpu kernel modesetting enabled.", then do your test, let us see if
the system still freeze or not.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2111394
Title:
freeze all includes screen and inputs
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