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

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

[bugzilla-daemon]

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

          Priority: medium
            Bug ID: 82667
          Assignee: dri-devel@lists.freedesktop.org
           Summary: "Distance" game closed alpha: Changing shadow settings
                    segfaults
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: haagch@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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[Bug 82667] "Distance" game closed alpha: Changing shadow settings segfaults

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

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
Does it also happen with llvmpipe?

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

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

--- Comment #2 from Christoph Haag <haagch@frickel.club> ---
(In reply to comment #1)
> Does it also happen with llvmpipe?

No.

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


For testing such things on PRIME v.s. no prime it would be good to be able to
set up only xf86-video-ati in xorg.conf to be used in an "invisible" x server
on a gpu with no outpus and then use e.g. vnc, but I didn't find any way to do
this yet. "(EE) RADEON(0): No modes." seems to prevent X from starting, even
with a modeline. (catalyst supports this OOTB)

Best I could do is send the download link per mail or so if you want to test
yourself.

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

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

--- Comment #3 from Christoph Haag <haagch@frickel.club> ---
Created attachment 105768
  --> https://bugs.freedesktop.org/attachment.cgi?id=105768&action=edit
The Book of Unwritten Tales 2 Early access - same backtrace

The same happens when changing the graphics quality setting in "The Book of
Unwritten Tales 2" Early Access (for kickstarter backers). Interestingly with
the mesa debug build it works sometimes(?), but when changing the settings a
few times, it very quickly crashes.

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

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

Christoph Haag <haagch@frickel.club> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Christoph Haag <haagch@frickel.club> ---
Both games had multiple updates by now. Whether the games got fixed, or the
driver, I don't know. But it doesn't happen anymore.

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