[Bug 101259] General artifacs shortly after CPU warming up

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed May 31 21:11:47 UTC 2017


            Bug ID: 101259
           Summary: General artifacs shortly after CPU warming up
           Product: Mesa
           Version: 17.1
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: oblita at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

I've got these artifacts after upgrading from 17.0.5 to 17.1.0:

- http://i.imgur.com/IR7Diqm.jpg

I thought it was a kernel issue as it is much more prevalent on kernel 4.11.2
which got updated at the same time. At first I reverted to 4.10.9 and thought
it has been fixed but then I noticed that the artifacts were just always
vanishing more quickly and were lighter, on 4.11.2 they were left static at the
screen in case I didn't move/input anything.

These artifacts always show up shortly after I boot the PC, but not just after
booting. I need to play some video on youtube to warm up the CPU or something
and when I scroll text on the web they show up more sharply to the point that
it's really annoying. Despite that, these artifacts are present in some form or
another with any application, not just the browser.

I've initially reported it here, where Xorg logs can be found:

- https://bugs.archlinux.org/task/54179

I'm now on kernel 4.11.3 without any issues using mesa 17.0.5.

Processor: Intel i7-7700K
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Intel Open Source Technology Center (0x8086)
    Device: Mesa DRI Intel(R) Kabylake GT2  (0x5912)

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