[Bug 110245] New: Severe tearing and display corrupting when using SNA
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Mar 26 10:14:28 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=110245
Bug ID: 110245
Summary: Severe tearing and display corrupting when using SNA
Product: xorg
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/intel
Assignee: chris at chris-wilson.co.uk
Reporter: nvaert1986 at hotmail.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Dear sir/miss,
I'm using a Lenovo ThinkPad P52 (Intel Core i7-8750H) with the latest 1.22 UEFI
firmware and have severe screen tearing and display corruption when using the
xf86-video-intel driver. When I'm using the latest stable driver version and
the situation is sometimes unworkable, because the screen simply goes blank and
can't even revert back to the TTY after a while (I've got no display at all).
When I'm using the latest GIT version the driver is stable, but I've got severe
tearing and artifacts (square cubes in red / greenish in particular). I've
tried both DRI 2 and DRI 3, but that doesn't make a difference. The situation
is stable when using the modesetting driver, but then I can't use my external
displays, as it's hard-wired to the NVIDIA chip. The same goes for uxa driver,
it doesn't allow me to use intel-virtual-output, so sna is the only option for
me. (I'm making use of bumblebee / bbswitch and intel-virtual-output) This can
especially be observed when browsing websites.
I'm running Gentoo Linux with kernel 4.19.27 with xorg-server-1.20.3. If
there's anything additional you need, please let me know
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