[Bug 1860553] Re: cmake crashes on qemu-alpha-user with Illegal Instruction

[John Paul Adrian Glaubitz]

Can someone remind me how I can print the disassembly in this case?

root@epyc:~> qemu-alpha-static -cpu help
Available CPUs:
  ev4-alpha-cpu
  ev5-alpha-cpu
  ev56-alpha-cpu
  ev6-alpha-cpu
  ev67-alpha-cpu
  ev68-alpha-cpu
  pca56-alpha-cpu
root@epyc:~> export QEMU_CPU=ev68-alpha-cpu
root@epyc:~> chroot /local_scratch/sid-alpha-sbuild/
bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
(sid-alpha-sbuild)root@epyc:/# cd /build/cmake-L20LIu/cmake-3.15.4/Build
(sid-alpha-sbuild)root@epyc:/build/cmake-L20LIu/cmake-3.15.4/Build# 
./Bootstrap.cmk/cmake ..
Illegal instruction
(sid-alpha-sbuild)root@epyc:/build/cmake-L20LIu/cmake-3.15.4/Build#

I checked all documentation but qemu-monitor - which supports
disassembly - seems to be available for qemu-system only.

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https://bugs.launchpad.net/bugs/1860553

Title:
  cmake crashes on qemu-alpha-user with Illegal Instruction

Status in QEMU:
  New

Bug description:
  I tried building cmake on Debian unstable for Alpha today using qemu-
  user and the compiled cmake binary crashed with "Illegal Instruction":

  g++ -Wl,-z,relro -Wl,--as-needed -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. 
-Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2             
-I/<<PKGBUILDDIR>>/Build/Bootstrap.cmk   -I/<<PKGBUILDDIR>>/Source   
-I/<<PKGBUILDDIR>>/Source/LexerParser   -I/<<PKGBUILDDIR>>/Utilities  
cmAddCustomCommandCommand.o cmAddCustomTargetCommand.o 
cmAddDefinitionsCommand.o cmAddDependenciesCommand.o cmAddExecutableCommand.o 
cmAddLibraryCommand.o cmAddSubDirectoryCommand.o cmAddTestCommand.o 
cmArgumentParser.o cmBreakCommand.o cmBuildCommand.o cmCMakeMinimumRequired.o 
cmCMakePolicyCommand.o cmCPackPropertiesGenerator.o cmCacheManager.o 
cmCommand.o cmCommandArgumentParserHelper.o cmCommands.o 
cmCommonTargetGenerator.o cmComputeComponentGraph.o cmComputeLinkDepends.o 
cmComputeLinkInformation.o cmComputeTargetDepends.o cmConditionEvaluator.o 
cmConfigureFileCommand.o cmContinueCommand.o cmCoreTryCompile.o 
cmCreateTestSourceList.o cmCustomCommand.o cmCustomCommandGenerator.o 
cmDefinePropertyCommand.o cmDefinitions.o cmDepends.o cmDependsC.o 
cmDisallowedCommand.o cmDocumentationFormatter.o cmEnableLanguageCommand.o 
cmEnableTestingCommand.o cmExecProgramCommand.o cmExecuteProcessCommand.o 
cmExpandedCommandArgument.o cmExportBuildFileGenerator.o 
cmExportFileGenerator.o cmExportInstallFileGenerator.o cmExportSet.o 
cmExportSetMap.o cmExportTryCompileFileGenerator.o cmExprParserHelper.o 
cmExternalMakefileProjectGenerator.o cmFileCommand.o cmFileCopier.o 
cmFileInstaller.o cmFileTime.o cmFileTimeCache.o cmFileTimes.o cmFindBase.o 
cmFindCommon.o cmFindFileCommand.o cmFindLibraryCommand.o 
cmFindPackageCommand.o cmFindPathCommand.o cmFindProgramCommand.o 
cmForEachCommand.o cmFunctionCommand.o cmFSPermissions.o 
cmGeneratedFileStream.o cmGeneratorExpression.o cmGeneratorExpressionContext.o 
cmGeneratorExpressionDAGChecker.o cmGeneratorExpressionEvaluationFile.o 
cmGeneratorExpressionEvaluator.o cmGeneratorExpressionLexer.o 
cmGeneratorExpressionNode.o cmGeneratorExpressionParser.o cmGeneratorTarget.o 
cmGetCMakePropertyCommand.o cmGetDirectoryPropertyCommand.o 
cmGetFilenameComponentCommand.o cmGetPipes.o cmGetPropertyCommand.o 
cmGetSourceFilePropertyCommand.o cmGetTargetPropertyCommand.o 
cmGetTestPropertyCommand.o cmGlobalCommonGenerator.o cmGlobalGenerator.o 
cmGlobalUnixMakefileGenerator3.o cmGlobVerificationManager.o 
cmHexFileConverter.o cmIfCommand.o cmIncludeCommand.o cmIncludeGuardCommand.o 
cmIncludeDirectoryCommand.o cmIncludeRegularExpressionCommand.o 
cmInstallCommand.o cmInstallCommandArguments.o cmInstallDirectoryGenerator.o 
cmInstallExportGenerator.o cmInstallFilesCommand.o cmInstallFilesGenerator.o 
cmInstallGenerator.o cmInstallScriptGenerator.o 
cmInstallSubdirectoryGenerator.o cmInstallTargetGenerator.o 
cmInstallTargetsCommand.o cmInstalledFile.o cmLinkDirectoriesCommand.o 
cmLinkItem.o cmLinkLineComputer.o cmLinkLineDeviceComputer.o cmListCommand.o 
cmListFileCache.o cmLocalCommonGenerator.o cmLocalGenerator.o 
cmLocalUnixMakefileGenerator3.o cmMSVC60LinkLineComputer.o cmMacroCommand.o 
cmMakeDirectoryCommand.o cmMakefile.o cmMakefileExecutableTargetGenerator.o 
cmMakefileLibraryTargetGenerator.o cmMakefileTargetGenerator.o 
cmMakefileUtilityTargetGenerator.o cmMarkAsAdvancedCommand.o cmMathCommand.o 
cmMessageCommand.o cmMessenger.o cmNewLineStyle.o cmOSXBundleGenerator.o 
cmOptionCommand.o cmOrderDirectories.o cmOutputConverter.o 
cmParseArgumentsCommand.o cmPathLabel.o cmPolicies.o cmProcessOutput.o 
cmProjectCommand.o cmProperty.o cmPropertyDefinition.o 
cmPropertyDefinitionMap.o cmPropertyMap.o cmReturnCommand.o 
cmRulePlaceholderExpander.o cmScriptGenerator.o cmSearchPath.o 
cmSeparateArgumentsCommand.o cmSetCommand.o cmSetDirectoryPropertiesCommand.o 
cmSetPropertyCommand.o cmSetSourceFilesPropertiesCommand.o 
cmSetTargetPropertiesCommand.o cmSetTestsPropertiesCommand.o 
cmSiteNameCommand.o cmSourceFile.o cmSourceFileLocation.o cmState.o 
cmStateDirectory.o cmStateSnapshot.o cmStringReplaceHelper.o cmStringCommand.o 
cmSubdirCommand.o cmSystemTools.o cmTarget.o 
cmTargetCompileDefinitionsCommand.o cmTargetCompileFeaturesCommand.o 
cmTargetCompileOptionsCommand.o cmTargetIncludeDirectoriesCommand.o 
cmTargetLinkLibrariesCommand.o cmTargetPropCommandBase.o 
cmTargetPropertyComputer.o cmTargetSourcesCommand.o cmTest.o cmTestGenerator.o 
cmTimestamp.o cmTryCompileCommand.o cmTryRunCommand.o cmUnexpectedCommand.o 
cmUnsetCommand.o cmUVHandlePtr.o cmUVProcessChain.o cmVersion.o 
cmWhileCommand.o cmWorkingDirectory.o cmake.o cmakemain.o cmcmd.o 
cm_string_view.o cmCommandArgumentLexer.o cmCommandArgumentParser.o 
cmExprLexer.o cmExprParser.o cmListFileLexer.o Directory.o EncodingCXX.o 
FStream.o Glob.o RegularExpression.o SystemTools.o EncodingC.o ProcessUNIX.o 
String.o System.o Terminal.o uv-src-strscpy.c.o uv-src-timer.c.o 
uv-src-uv-common.c.o uv-src-unix-cmake-bootstrap.c.o uv-src-unix-core.c.o 
uv-src-unix-fs.c.o uv-src-unix-loop.c.o uv-src-unix-loop-watcher.c.o 
uv-src-unix-no-fsevents.c.o uv-src-unix-pipe.c.o uv-src-unix-poll.c.o 
uv-src-unix-posix-hrtime.c.o uv-src-unix-posix-poll.c.o uv-src-unix-process.c.o 
uv-src-unix-signal.c.o uv-src-unix-stream.c.o  -ldl -lrt -o cmake
  make[2]: Leaving directory '/<<PKGBUILDDIR>>/Build/Bootstrap.cmk'
  loading initial cache file 
/<<PKGBUILDDIR>>/Build/Bootstrap.cmk/InitialCacheFlags.cmake
  Illegal instruction
  ---------------------------------------------
  Error when bootstrapping CMake:
  Problem while running initial CMake
  ---------------------------------------------

  I'm working on creating a chroot for download to reproduce the issue.

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