[Bug 30145] New: [r300g] Warcraft's login screen is now flickering mess (bisected)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30145

           Summary: [r300g] Warcraft's login screen is now flickering mess
                    (bisected)
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: rankincj at googlemail.com


Created an attachment (id=38644)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38644)
WoW login screen, with artifacts

The input fields and menu items on Warcraft's login screen are now being
misrendered; things are appearing and disappearing, apparently at random.

Git bisect points the finger here:

b5fcf0c8e07e666523b007fab1d0fc18c2c89241 is the first bad commit
commit b5fcf0c8e07e666523b007fab1d0fc18c2c89241
Author: Dave Airlie <airlied at redhat.com>
Date:   Sat Aug 28 18:59:32 2010 +1000

    pb: add void * for flush ctx to mapping functions

    If the buffer we are attempting to map is referenced by the unsubmitted
    command stream for this context, we need to flush the command stream,
    however to do that we need to be able to access the context at the lowest
    level map function, currently we set the buffer in the toplevel map, but
this
    racy between context. (we probably have a lot more issues than that.)

    I'll look into a proper solution as suggested by jrfonseca when I get some
time.

:040000 040000 92125dde35466f2db79e9d074127928621b5cad6
ec868c65f2cec90b5ce76a4fc3a2deee6d6a49c9 M    src

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