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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - "LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main" when starting race in stuntrally"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92709">92709</a>
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</tr>
<tr>
<th>Summary</th>
<td>"LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main" when starting race in stuntrally
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>haagch@frickel.club
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M] (rev ff)
llvm-svn 251500 (but happened at least since 251005)
mesa git
stuntrally 2.6
Here is a trace (167 mb compressed):
<a href="http://haagch.frickel.club/files/stuntrally.trace.xz">http://haagch.frickel.club/files/stuntrally.trace.xz</a>
It replays fine on intel, but produces said exception on radeonsi:
[...]
LLVM triggered Diagnostic Handler: unsupported call to function ldexpf in main
apitrace: warning: caught signal 11
601245: error: caught an unhandled exception
glretrace+0x23c99c
/usr/lib/libpthread.so.0+0x10d5f
/usr/lib/libLLVM.so.3.8+0xa96976
/usr/lib/libLLVM.so.3.8:
_ZNK4llvm14TargetLowering11LowerCallToERNS0_16CallLoweringInfoE+0x1406
/usr/lib/libLLVM.so.3.8:
_ZN4llvm19SelectionDAGBuilder14lowerInvokableERNS_14TargetLowering16CallLoweringInfoEPKNS_10BasicBlockE+0x38b
/usr/lib/libLLVM.so.3.8:
_ZN4llvm19SelectionDAGBuilder11LowerCallToENS_17ImmutableCallSiteENS_7SDValueEbPKNS_10BasicBlockE+0x62e
/usr/lib/libLLVM.so.3.8:
_ZN4llvm19SelectionDAGBuilder9visitCallERKNS_8CallInstE+0x9f
/usr/lib/libLLVM.so.3.8:
_ZN4llvm19SelectionDAGBuilder5visitERKNS_11InstructionE+0x33
/usr/lib/libLLVM.so.3.8:
_ZN4llvm16SelectionDAGISel16SelectBasicBlockENS_14ilist_iteratorIKNS_11InstructionEEES4_Rb+0x37
/usr/lib/libLLVM.so.3.8:
_ZN4llvm16SelectionDAGISel20SelectAllBasicBlocksERKNS_8FunctionE+0x38f
/usr/lib/libLLVM.so.3.8:
_ZN4llvm16SelectionDAGISel20runOnMachineFunctionERNS_15MachineFunctionE+0x471
/usr/lib/libLLVM.so.3.8:
_ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE+0x289
/usr/lib/libLLVM.so.3.8: _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE+0x2a
/usr/lib/libLLVM.so.3.8:
_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE+0x300
/usr/lib/libLLVM.so.3.8+0x1205e7e
/usr/lib/libLLVM.so.3.8: LLVMTargetMachineEmitToMemoryBuffer+0xa8
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x591aaf
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x50f0ea
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x50fe37
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x51a894
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x51b405
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x517ade
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x3a4e16
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x1fe042
/usr/lib/xorg/modules/dri/radeonsi_dri.so+0x1cd399
glretrace+0xd51c9
glretrace+0xbd1c
glretrace+0xc37b
glretrace+0x7b04
/usr/lib/libc.so.6: __libc_start_main+0xef
glretrace: _start+0x28</pre>
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