Public bug reported:
I would like to report a severe graphics regression, involving frequent
rainbow-glitching and flickering on a x64 computer with Intel Broadwell
5500U processor w/ integrated graphics. This issue was not present on
kernel v4.7.4, which I will continue to use. Due to unfortunate issues
with Broadwell integrated graphics support, virtually every kernel build
in the 4.8 release chain as well as the newest v4.7.5 kernel have this
issue. Dramatic multicolored patches and glitched areas appear
frequently when using my computer with these kernels installed. The
behavior is very similar to that of the Broadwell graphics issues
present in kernel version 4.6.x. Please fix this issue, I don't
understand why NEWER kernels are actually causing significant graphical
problems with older hardware.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1627408
Title:
Severe graphics regression with mainline kernel v4.7.5 on Broadwell
5500U
Status in linux package in Ubuntu:
New
Bug description:
I would like to report a severe graphics regression, involving
frequent rainbow-glitching and flickering on a x64 computer with Intel
Broadwell 5500U processor w/ integrated graphics. This issue was not
present on kernel v4.7.4, which I will continue to use. Due to
unfortunate issues with Broadwell integrated graphics support,
virtually every kernel build in the 4.8 release chain as well as the
newest v4.7.5 kernel have this issue. Dramatic multicolored patches
and glitched areas appear frequently when using my computer with these
kernels installed. The behavior is very similar to that of the
Broadwell graphics issues present in kernel version 4.6.x. Please fix
this issue, I don't understand why NEWER kernels are actually causing
significant graphical problems with older hardware.
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