I've tested the kernel from http://at.archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages
linux-headers-4.15.0-55-generic Linux kernel headers for version 4.15.0 on 64 bit x86 SMP
linux-image-4.15.0-55-generic Signed kernel image generic
linux-modules-4.15.0-55-generic Linux kernel extra modules for version 4.15.0 on 64 bit x86 SMP
linux-modules-extra-4.15.0-55-generic Linux kernel extra modules for version 4.15.0 on 64 bit x86 SMP
and: NO flickering screen! So the problem seems to be solved!
I don't have a cosmic / disco installation, so I can't test these versions.
I've tested the kernel from at.archive. ubuntu. com/ubuntu bionic- proposed/ main amd64 Packages headers- 4.15.0- 55-generic Linux kernel headers for version 4.15.0 on 64 bit x86 SMP image-4. 15.0-55- generic Signed kernel image generic modules- 4.15.0- 55-generic Linux kernel extra modules for version 4.15.0 on 64 bit x86 SMP modules- extra-4. 15.0-55- generic Linux kernel extra modules for version 4.15.0 on 64 bit x86 SMP
http://
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and: NO flickering screen! So the problem seems to be solved!
I don't have a cosmic / disco installation, so I can't test these versions.
So I set the verification- done-bionic - tag.