[Bug 100612] New: [i915] [SNA] Graphics corruption with QupZilla

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100612

            Bug ID: 100612
           Summary: [i915] [SNA] Graphics corruption with QupZilla
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: fturco at fastmail.fm
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 130746
  --> https://bugs.freedesktop.org/attachment.cgi?id=130746&action=edit
screenshot

I get graphics corruption when using the QupZilla web browser and the
xf86-video-intel driver in SNA mode. All I have to do is start QupZilla: the
problem happens immediately at startup, and it remains until I close QupZilla.
UXA mode is fine instead. My GNU/Linux distribution is Gentoo. My motherboard
is an Intel Desktop Board DQ35JO from year 2009. I suspect the problem is not
really with QupZilla but with QtWebEngine. Other applications work fine.

--------------------------------

# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82Q35 Express Integrated
Graphics Controller (rev 02)

--------------------------------

# emerge -pv x11-drivers/xf86-video-intel

These are the packages that would be merged, in order:

Calculating dependencies  ..... done!
[ebuild   R    ] x11-drivers/xf86-video-intel-2.99.917_p20170313::gentoo 
USE="dri sna udev -debug -dri3 -tools -uxa -xvmc" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB

--------------------------------

$ grep VIDEO_CARDS /etc/portage/make.conf
VIDEO_CARDS="intel i915"

--------------------------------

$ uname -m
x86_64

--------------------------------

$ uname -r
4.9.20-gentoo

--------------------------------

dev-qt/qtwebengine-5.7.1-r1
www-client/qupzilla-2.1.2

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