[Mesa-dev] [Bug 95529] [regression, bisected] Image corruption in Chrome

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95529

            Bug ID: 95529
           Summary: [regression, bisected] Image corruption in Chrome
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vegorov180 at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org
                CC: brianp at vmware.com

Created attachment 123972
  --> https://bugs.freedesktop.org/attachment.cgi?id=123972&action=edit
glitches on radeonsi

You need to open in Chrome page with a lot of pictures (for example
https://commons.wikimedia.org/w/index.php?title=Category:Featured_pictures_on_Wikimedia_Commons)
and start to scroll, refresh, zoom in and out, switch tabs. I can reproduce it
both with radeonsi and llvmpipe. It takes longer with with llvmpipe and glitch
patterns are a bit different. Also GPU started to randomly hang once in a day
freezing the whole system when I use Chrome - I am not sure, but maybe this
have something to do with this bug. Kernel 4.4 from Ubuntu 16.04.

d8d029f22bcb49c26ddb11d0bb968d24f2a5fb7e is the first bad commit
commit d8d029f22bcb49c26ddb11d0bb968d24f2a5fb7e
Date:   Thu Mar 24 14:09:24 2016 -0600

    st/mesa: simplify st_generate_mipmap()

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