本文介绍了由于信号，命令失败:分段错误:11的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我收到了错误...
由于信号而导致命令失败:分段错误:11
Command failed due to signal: Segmentation fault: 11
... 尝试编译我的 Swift 应用程序时.我正在使用 Xcode 6.1，尝试在 iOS 8.1 上为 iPhone 5 构建.
... when trying to compile my Swift app. I'm using Xcode 6.1, trying to build for an iPhone 5 on iOS 8.1.
我的代码
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var username: UITextField!
@IBAction func signIn(sender: AnyObject) {
PFUser.logInWithUsernameInBackground(username.text, password:"mypass") {
(user: PFUser!, error: NSError!) -> Void in
if user != nil {
println("Logged In")
} else {
func myMethod() {
var user = PFUser()
user.username = username.text
user.password = " "
user.signUpInBackgroundWithBlock {
(succeeded: Bool!, error: NSError!) -> Void in
if error == nil {
// Hooray! Let them use the app now.
} else {
println("Signed Up")
}
}
}
println(error)
}
}
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
Parse.setApplicationId("key here")
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
还有错误文字！
CompileSwift normal arm64 /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/ViewController.swift
cd /Users/Alec/Desktop/Re-Chat/Re-Chat
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/ViewController.swift /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/AppDelegate.swift -target arm64-apple-ios8.0 -Xllvm -aarch64-use-tbi -target-cpu cyclone -target-abi darwinpcs -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -I /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos -F /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos -F /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat -g -import-objc-header /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/Re-Chat-Bridging-Header.h -module-cache-path /Users/Alec/Library/Developer/Xcode/DerivedData/ModuleCache -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-generated-files.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-own-target-headers.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-all-target-headers.hmap -Xcc -iquote -Xcc /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-project-headers.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos/include -Xcc -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/DerivedSources/arm64 -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/DerivedSources -Xcc -DDEBUG=1 -emit-module-doc-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController~partial.swiftdoc -Onone -module-name Re_Chat -emit-module-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController~partial.swiftmodule -serialize-diagnostics-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.dia -emit-dependencies-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.d -o /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.o
0 swift 0x0000000108145a68 llvm::sys::PrintStackTrace(__sFILE*) + 40
1 swift 0x0000000108145f54 SignalHandler(int) + 452
2 libsystem_platform.dylib 0x00007fff86631f1a _sigtramp + 26
3 libsystem_platform.dylib 0x00007fd0ac1eb010 _sigtramp + 633049360
4 swift 0x00000001075d4517 swift::Lowering::SILGenFunction::emitClosureValue(swift::SILLocation, swift::SILDeclRef, llvm::ArrayRef<swift::Substitution>, swift::AnyFunctionRef) + 1303
5 swift 0x00000001075c599e swift::Lowering::SILGenFunction::visitFuncDecl(swift::FuncDecl*) + 190
6 swift 0x000000010760987c swift::Lowering::SILGenFunction::visitBraceStmt(swift::BraceStmt*) + 380
7 swift 0x000000010760c8e8 swift::ASTVisitor<swift::Lowering::SILGenFunction, void, void, void, void, void, void>::visit(swift::Stmt*) + 152
8 swift 0x000000010760a0a5 swift::Lowering::SILGenFunction::visitIfStmt(swift::IfStmt*) + 757
9 swift 0x000000010760c8f6 swift::ASTVisitor<swift::Lowering::SILGenFunction, void, void, void, void, void, void>::visit(swift::Stmt*) + 166
10 swift 0x00000001076097e8 swift::Lowering::SILGenFunction::visitBraceStmt(swift::BraceStmt*) + 232
11 swift 0x000000010760c8e8 swift::ASTVisitor<swift::Lowering::SILGenFunction, void, void, void, void, void, void>::visit(swift::Stmt*) + 152
12 swift 0x00000001075d52dd swift::Lowering::SILGenFunction::emitClosure(swift::AbstractClosureExpr*) + 205
13 swift 0x00000001075b4234 swift::Lowering::SILGenModule::emitClosure(swift::AbstractClosureExpr*) + 196
14 swift 0x00000001075eef71 (anonymous namespace)::RValueEmitter::visitAbstractClosureExpr(swift::AbstractClosureExpr*, swift::Lowering::SGFContext) + 97
15 swift 0x00000001075e1866 swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 2870
16 swift 0x00000001075e24da swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 6058
17 swift 0x00000001075cfa0b swift::Lowering::SILGenFunction::emitExprInto(swift::Expr*, swift::Lowering::Initialization*) + 235
18 swift 0x00000001075ae824 swift::Lowering::RValueSource::materialize(swift::Lowering::SILGenFunction&) && + 196
19 swift 0x0000000107604a69 swift::Lowering::RValueSource::materialize(swift::Lowering::SILGenFunction&, swift::Lowering::AbstractionPattern, swift::SILType) && + 233
20 swift 0x00000001075f371c swift::Lowering::SILGenFunction::emitInjectOptionalValueInto(swift::SILLocation, swift::Lowering::RValueSource&&, swift::SILValue, swift::Lowering::TypeLowering const&) + 268
21 swift 0x00000001075e9b8d swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 36445
22 swift 0x00000001075e3e2b swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 12539
23 swift 0x00000001075e202b swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 4859
24 swift 0x00000001075cfab6 swift::Lowering::SILGenFunction::emitRValue(swift::Expr*, swift::Lowering::SGFContext) + 22
25 swift 0x00000001075bffc4 (anonymous namespace)::ArgEmitter::emitExpanded(swift::Lowering::RValueSource&&, swift::Lowering::AbstractionPattern) + 836
26 swift 0x00000001075bf582 (anonymous namespace)::ArgEmitter::emit(swift::Lowering::RValueSource&&, swift::Lowering::AbstractionPattern) + 98
27 swift 0x00000001075b7ff8 (anonymous namespace)::CallEmission::apply(swift::Lowering::SGFContext) + 1128
28 swift 0x00000001075b751a swift::Lowering::SILGenFunction::emitApplyExpr(swift::ApplyExpr*, swift::Lowering::SGFContext) + 58
29 swift 0x00000001075e0d81 swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 81
30 swift 0x00000001075ea00d swift::Lowering::SILGenFunction::emitIgnoredExpr(swift::Expr*) + 237
31 swift 0x0000000107609829 swift::Lowering::SILGenFunction::visitBraceStmt(swift::BraceStmt*) + 297
32 swift 0x000000010760c8e8 swift::ASTVisitor<swift::Lowering::SILGenFunction, void, void, void, void, void, void>::visit(swift::Stmt*) + 152
33 swift 0x00000001075d4ee0 swift::Lowering::SILGenFunction::emitFunction(swift::FuncDecl*) + 256
34 swift 0x00000001075b3659 swift::Lowering::SILGenModule::emitFunction(swift::FuncDecl*) + 233
35 swift 0x00000001075cea93 swift::ASTVisitor<SILGenType, void, void, void, void, void, void>::visit(swift::Decl*) + 355
36 swift 0x00000001075cd7eb SILGenType::emitType() + 203
37 swift 0x00000001075c85ae swift::Lowering::SILGenModule::visitNominalTypeDecl(swift::NominalTypeDecl*) + 30
38 swift 0x00000001075b555b swift::Lowering::SILGenModule::emitSourceFile(swift::SourceFile*, unsigned int) + 395
39 swift 0x00000001075b581a swift::SILModule::constructSIL(swift::Module*, swift::SourceFile*, swift::Optional<unsigned int>) + 314
40 swift 0x00000001075b5968 swift::performSILGeneration(swift::SourceFile&, swift::Optional<unsigned int>) + 72
41 swift 0x000000010748be18 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 3432
42 swift 0x000000010748996d main + 1677
43 libdyld.dylib 0x00007fff8aa4c5c9 start + 1
Stack dump:
0. Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/ViewController.swift /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/AppDelegate.swift -target arm64-apple-ios8.0 -Xllvm -aarch64-use-tbi -target-cpu cyclone -target-abi darwinpcs -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -I /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos -F /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos -F /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat -g -import-objc-header /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/Re-Chat-Bridging-Header.h -module-cache-path /Users/Alec/Library/Developer/Xcode/DerivedData/ModuleCache -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-generated-files.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-own-target-headers.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-all-target-headers.hmap -Xcc -iquote -Xcc /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Re-Chat-project-headers.hmap -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Products/Debug-iphoneos/include -Xcc -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/DerivedSources/arm64 -Xcc -I/Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/DerivedSources -Xcc -DDEBUG=1 -emit-module-doc-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController~partial.swiftdoc -Onone -module-name Re_Chat -emit-module-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController~partial.swiftmodule -serialize-diagnostics-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.dia -emit-dependencies-path /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.d -o /Users/Alec/Library/Developer/Xcode/DerivedData/Re-Chat-awwdkmqavitiqkcdsphwnhzhzzfb/Build/Intermediates/Re-Chat.build/Debug-iphoneos/Re-Chat.build/Objects-normal/arm64/ViewController.o
1. While emitting SIL for 'signIn' at /Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/ViewController.swift:14:15
2. While silgen closureexpr SIL function @_TFFC7Re_Chat14ViewController6signInFS0_FPSs9AnyObject_T_U_FTGSQCSo6PFUser_GSQCSo7NSError__T_ for expression at [/Users/Alec/Desktop/Re-Chat/Re-Chat/Re-Chat/ViewController.swift:16:80 - line:45:9] RangeText="{
(user: PFUser!, error: NSError!) -> Void in
if user != nil {
// Do stuff after successful login.
println("Logged In")
} else {
func myMethod() {
var user = PFUser()
user.username = username.text
user.password = ""
// other fields can be set just like with PFObject
user.signUpInBackgroundWithBlock {
(succeeded: Bool!, error: NSError!) -> Void in
if error == nil {
// Hooray! Let them use the app now.
} else {
println("Signed Up")
}
}
}
println("error")
}
}"
推荐答案
我最近遇到了同样的问题，我将尝试概括一下我是如何解决的，因为这些答案很多都是为了对大家有所帮助.
I recently encountered the same problem, and I will try to generalise how I solved it, as a lot of these answers are to spesific to be of help to everyone.
1.首先查看错误信息的底部，找出导致分段错误的文件和函数.
1. First look at the bottom of the error message to identify the file and function which causes the segmentation fault.
2. 然后我查看了该函数并将其全部注释掉.我编译了它现在可以工作了.然后我一次删除部分函数的注释，直到找到导致错误的行.在此之后，我能够修复它，并且一切正常.:)
2. Then I look at that function and commented out all of it. I compiled and it now worked. Then I removed the comments from parts of the function at a time, until I hit the line that was responsible for the error. After this I was able to fix it, and it all works. :)
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