[Bug 82667] New: "Distance" game closed alpha: Changing shadow settings segfaults

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82667

          Priority: medium
            Bug ID: 82667
          Assignee: dri-devel at lists.freedesktop.org
           Summary: "Distance" game closed alpha: Changing shadow settings
                    segfaults
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: haagch at frickel.club
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Created attachment 104682
  --> https://bugs.freedesktop.org/attachment.cgi?id=104682&action=edit
full backtrace

For people who are part of the Closed Alpha and want to test: It doesn't happen
when changing the shadow levels between active levels.
But when changing shadows from off to any level or from any level to off, this
segfault happens every time.

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M] (rev ff)

It does not crash when I run it on intel. It also does not crash when I run it
on llvmpipe.

So it is possibly related to PRIME rather than radeonsi, unfortunately I can't
test without PRIME.

mesa git, linux 3.16, launched in steam with:
DRI_PRIME=1 GALLIUM_HUD="fps,VRAM-usage+GTT-usage" %command%
It happens with both dri3 offloading and with LIBGL_DRI3_DISABLE=1

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