The same cause was referenced in these reports: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773993 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773581
Kernel 4.15.0-24 fixed the issue on Bionic and Xenial. The fix also available in the kernel 4.18-rc1 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/i915?id=368b554d63948133aca05e63ff8f5f4fbc2804d4
The same cause was referenced in these reports: /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1773993 /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1773581
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Kernel 4.15.0-24 fixed the issue on Bionic and Xenial. The fix also available in the kernel 4.18-rc1 https:/ /git.kernel. org/pub/ scm/linux/ kernel/ git/torvalds/ linux.git/ commit/ drivers/ gpu/drm/ i915?id= 368b554d6394813 3aca05e63ff8f5f 4fbc2804d4