[Bug 71285] New: Xonotic LLVM ERROR

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bugzilla-daemon＠freedesktop.org

6 Nov 2013 6 Nov '13

1:41 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=71285

Priority: medium Bug ID: 71285 Assignee: dri-devel@lists.freedesktop.org Summary: Xonotic LLVM ERROR Severity: major Classification: Unclassified OS: Linux (All) Reporter: jrch2k10@gmail.com Hardware: x86-64 (AMD64) Status: NEW Version: git Component: Drivers/Gallium/radeonsi Product: Mesa

Created attachment 88735 --> https://bugs.freedesktop.org/attachment.cgi?id=88735&action=edit zipped shader dump

in Xonotic 7.0 several levels return this error after crash

LLVM ERROR: ran out of registers during register allocation

GL_VENDOR: X.Org GL_RENDERER: Gallium 0.4 on AMD CAPE VERDE GL_VERSION: 3.0 Mesa 10.0.0-devel (git-5ae31d7)

level maps/stormkeep

attached: shader dump

many thanks for your time

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bugzilla-daemon＠freedesktop.org

6 Nov 6 Nov

1:43 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

Rafael Castillo jrch2k10@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Priority|medium |high

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bugzilla-daemon＠freedesktop.org

13 Nov 13 Nov

4:01 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

Michel Dänzer michel@daenzer.net changed:

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bugzilla-daemon＠freedesktop.org

4:02 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #1 from Michel Dänzer michel@daenzer.net --- Which version of LLVM are you using? If it's 3.3, does a 3.4 snapshot work better?

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bugzilla-daemon＠freedesktop.org

10:12 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #2 from Rafael Castillo jrch2k10@gmail.com --- I use llvm 3.4 daily emerged on gentoo

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bugzilla-daemon＠freedesktop.org

16 Nov 16 Nov

2:29 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #3 from Tom Stellard tstellar@gmail.com --- Could you dump the assembly output from the shaders? Use the environment variable: R600_DEBUG=ps,vs

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bugzilla-daemon＠freedesktop.org

6:09 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #4 from Rafael Castillo jrch2k10@gmail.com --- Created attachment 89331 --> https://bugs.freedesktop.org/attachment.cgi?id=89331&action=edit R600_DEBUG=ps,vs shader dump

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bugzilla-daemon＠freedesktop.org

18 Nov 18 Nov

12:12 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #5 from darkbasic darkbasic@linuxsystems.it --- The problem is only with the "offset mapping" effect enabled. Radeonsi (HD 7950) + LLVM 3.4 git + mesa 10.1 git + linux 3.13

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bugzilla-daemon＠freedesktop.org

4:21 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #6 from Rafael Castillo jrch2k10@gmail.com --- confirmed offset mapping is the culprit

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bugzilla-daemon＠freedesktop.org

22 Nov 22 Nov

4:42 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #7 from Tom Stellard tstellar@gmail.com --- Created attachment 89615 --> https://bugs.freedesktop.org/attachment.cgi?id=89615&action=edit Work Around

This patch should avoid the crash, but the effect will not be rendered correctly. Can you test?

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bugzilla-daemon＠freedesktop.org

1:38 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #8 from Rafael Castillo jrch2k10@gmail.com --- (In reply to comment #7)

...

Created attachment 89615 [details] [review] Work Around

This patch should avoid the crash, but the effect will not be rendered correctly. Can you test?

yes ofc, when i reach home tonight ill test it and report back

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bugzilla-daemon＠freedesktop.org

24 Nov 24 Nov

12:51 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #9 from Rafael Castillo jrch2k10@gmail.com --- im try to test the patch but currently llvm master don't build claiming missing unistd.h header, so once is fixed ill test the patch

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bugzilla-daemon＠freedesktop.org

26 Nov 26 Nov

4:31 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

Tom Stellard tstellar@gmail.com changed:

--- Comment #10 from Tom Stellard tstellar@gmail.com --- Created attachment 89805 --> https://bugs.freedesktop.org/attachment.cgi?id=89805&action=edit Fix

This new patch is an actual fix, not just a workaround. It fixes the crash for me, can you verify?

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bugzilla-daemon＠freedesktop.org

2:59 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #11 from Rafael Castillo jrch2k10@gmail.com --- sorry for the delay, about your previous patch it worked as you say. ill test this one tonight

many thanks for your time

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bugzilla-daemon＠freedesktop.org

11:43 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #12 from Rafael Castillo jrch2k10@gmail.com --- well it compiles just fine but since llvm 3.5 xonotic and pepper flash hard reset the GPU. im trying to get a dump of the failure

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bugzilla-daemon＠freedesktop.org

27 Nov 27 Nov

12:51 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #13 from Rafael Castillo jrch2k10@gmail.com --- Created attachment 89878 --> https://bugs.freedesktop.org/attachment.cgi?id=89878&action=edit dmesg of gpu hard reset

This with or wthout your patch

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bugzilla-daemon＠freedesktop.org

10:06 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #14 from darkbasic darkbasic@linuxsystems.it --- If you need someone who tests the patch I can switch back to LLVM 3.4, let me know.

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bugzilla-daemon＠freedesktop.org

11:53 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #15 from Arek Ruśniak arek.rusi@gmail.com --- Rafael try latest libdrm from git. I had the same problem with libdrm 2.4.49

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bugzilla-daemon＠freedesktop.org

2:05 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #16 from Rafael Castillo jrch2k10@gmail.com --- (In reply to comment #15)

...

Rafael try latest libdrm from git. I had the same problem with libdrm 2.4.49

thanks, arek

i do use libdrm git but i see that 5 days ago new patches landed and im not sure i pulled them, so i ll re emerge today to be sure and test again

many thanks for your tip

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bugzilla-daemon＠freedesktop.org

11:33 p.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

--- Comment #17 from Rafael Castillo jrch2k10@gmail.com --- ok after updating all my stack to todays git my GPU stopped hard resseting and effectively this patch fixes all xonotic issues.

Many many thanks for your good work tom

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bugzilla-daemon＠freedesktop.org

28 Nov 28 Nov

12:03 a.m.

New subject: [Bug 71285] Xonotic LLVM ERROR

https://bugs.freedesktop.org/show_bug.cgi?id=71285

Tom Stellard tstellar@gmail.com changed:

--- Comment #18 from Tom Stellard tstellar@gmail.com --- The fix was committed to the LLVM tree: r195880

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bugzilla-daemon＠freedesktop.org