[Bug 97887] llvm segfault in janusvr -render vive

* [Bug 97887] llvm segfault in janusvr -render vive
@ 2016-09-21 11:24 bugzilla-daemon
  2016-09-21 16:04 ` bugzilla-daemon
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-09-21 11:24 UTC (permalink / raw)
  To: dri-devel

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https://bugs.freedesktop.org/show_bug.cgi?id=97887

            Bug ID: 97887
           Summary: llvm segfault in janusvr -render vive
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: haagch@frickel.club
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 126700
  --> https://bugs.freedesktop.org/attachment.cgi?id=126700&action=edit
stderr output with R600_DEBUG=vs,tcs,tes,gs,ps,cs

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Ellesmere [Radeon RX 480] (rev c7)
mesa git, linux drm-next-4.9-wip, llvm 4.0.0svn_r282018

So I'm trying to start janusvr -render vive with the steamvr-osvr steamvr
plugin. Because osvr-rendermanager still doesn't do core profile, I start it
with

MESA_GL_VERSION_OVERRIDE=3.3COMPAT MESA_GLSL_VERSION_OVERRIDE=330 ./janusvr
-render vive

But llvm segfaults:

Thread 12 "si_shader:1" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc3568700 (LWP 28734)]
0x00007fffc59ee0c6 in
llvm::SSAUpdaterImpl<llvm::SSAUpdater>::BuildBlockList(llvm::BasicBlock*,
llvm::SmallVectorImpl<llvm::SSAUpdaterImpl<llvm::SSAUpdater>::BBInfo*>*) ()
from /usr/lib/libLLVM-4.0svn.so
#0  0x00007fffc59ee0c6 in
llvm::SSAUpdaterImpl<llvm::SSAUpdater>::BuildBlockList(llvm::BasicBlock*,
llvm::SmallVectorImpl<llvm::SSAUpdaterImpl<llvm::SSAUpdater>::BBInfo*>*) () at
/usr/lib/libLLVM-4.0svn.so
#1  0x00007fffc59f2acf in
llvm::SSAUpdater::GetValueAtEndOfBlockInternal(llvm::BasicBlock*) () at
/usr/lib/libLLVM-4.0svn.so
#2  0x00007fffc59f942a in
llvm::SSAUpdater::RewriteUseAfterInsertions(llvm::Use&) () at
/usr/lib/libLLVM-4.0svn.so
#3  0x00007fffc5cb7551 in (anonymous
namespace)::StructurizeCFG::runOnRegion(llvm::Region*, llvm::RGPassManager&) ()
at /usr/lib/libLLVM-4.0svn.so
#4  0x00007fffc5f3571c in llvm::RGPassManager::runOnFunction(llvm::Function&)
() at /usr/lib/libLLVM-4.0svn.so
#5  0x00007fffc53c03a2 in llvm::FPPassManager::runOnFunction(llvm::Function&)
() at /usr/lib/libLLVM-4.0svn.so
#6  0x00007fffc53c0443 in llvm::FPPassManager::runOnModule(llvm::Module&) () at
/usr/lib/libLLVM-4.0svn.so
#7  0x00007fffc53c0a54 in llvm::legacy::PassManagerImpl::run(llvm::Module&) ()
at /usr/lib/libLLVM-4.0svn.so
#8  0x00007fffc61a5d57 in LLVMTargetMachineEmit(LLVMOpaqueTargetMachine*,
LLVMOpaqueModule*, llvm::raw_pwrite_stream&, LLVMCodeGenFileType, char**) () at
/usr/lib/libLLVM-4.0svn.so
#9  0x00007fffc61a6139 in LLVMTargetMachineEmitToMemoryBuffer () at
/usr/lib/libLLVM-4.0svn.so
#10 0x00007fffc889e7c3 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#11 0x00007fffc8814605 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#12 0x00007fffc88161d2 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#13 0x00007fffc8822f73 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#14 0x00007fffc868ec34 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#15 0x00007fffc868e9f6 in  () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#16 0x00007ffff2636454 in start_thread () at /usr/lib/libpthread.so.0
#17 0x00007ffff1ad67df in clone () at /usr/lib/libc.so.6

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