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cbenhagen opened this issue Jun 30, 2020 · 10 comments
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Building flutter tool on ARM macOS host fails #42534

cbenhagen opened this issue Jun 30, 2020 · 10 comments
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area-vm Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends.

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@cbenhagen
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Building flutter tool on ARM macOS host fails with:

Building flutter tool...
oah error: unhandled 16KB-unaligned mmap addr=0x0 len=0xdd28c0 offset=0x1000 prot=1 flags=2
/Users/ben/development/flutter/bin/internal/shared.sh: line 20:  1298 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (9 tries left)
@cbenhagen cbenhagen mentioned this issue Jun 30, 2020
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@jmagman
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jmagman commented Jun 30, 2020

oah is Rosetta. I see old blogs and ebooks mentioning gdb --oah when debugging Power-PC on Intel.
Also https://www.insanelymac.com/forum/topic/262890-installing-rosetta-on-lion/

@mraleph
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mraleph commented Jun 30, 2020

I'd guess this happens when we try to load app-jit snapshot for the kernel service. ARM64 Mac OS has 16KB pages, and apparently our app-jit snapshot loading code expects 4KB pages. mmap is supposed to return EINVAL though if offset is not a multiple of page size.

/cc @rmacnak-google

@mraleph mraleph added the area-vm Use area-vm for VM related issues, including code coverage, and the AOT and JIT backends. label Jun 30, 2020
@Livinglist
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Livinglist commented Jul 3, 2020 •
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same issue. on Mac using A12Z chip.

Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (2 tries left)
oah error: unhandled 16KB-unaligned mmap addr=0x0 len=0xdd3230 offset=0x1000 prot=1 flags=2
/Users/jiaqifeng/Dev/flutter/bin/internal/shared.sh: line 20:  1929 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile

dart-bot pushed a commit that referenced this issue Jul 6, 2020
@rmacnak-google
[vm] Increase alignment in the blob container format to 16k.
935b69e 
This accounts for the larger alignment required by mmap on ARM macOS.

Bug: #42534
Change-Id: Ie58732924d5a7287f2736696a6db0ddce7d308c1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153382
Commit-Queue: Ryan Macnak <[email protected]>
Reviewed-by: Régis Crelier <[email protected]>
@a-siva a-siva mentioned this issue Jul 21, 2020
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@MichelMelhem
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When does this fix will be applied to flutter ? I am running into the same issue

@jmagman
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jmagman commented Oct 27, 2020

935b69e rolled in flutter/engine#19577 which rolled in flutter/flutter#61090 which is in Flutter 1.20.0-7.0.pre. So that's in the stable channel.
@MichelMelhem what's the output of flutter doctor -v where you are seeing this?

@MichelMelhem
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@jmagman When running flutter doctor -v I'm getting this output :

 flutter doctor -v
Building flutter tool...
rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0xcde1c0 offset=0x1000 prot=1 flags=2
/Users/michel/developement/flutter/bin/flutter: line 42: 19849 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (9 tries left)
rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0xcde1c0 offset=0x1000 prot=1 flags=2
/Users/michel/developement/flutter/bin/flutter: line 42: 19854 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (8 tries left)
rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0xcde1c0 offset=0x1000 prot=1 flags=2
/Users/michel/developement/flutter/bin/flutter: line 42: 19859 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (7 tries left)
rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0xcde1c0 offset=0x1000 prot=1 flags=2
/Users/michel/developement/flutter/bin/flutter: line 42: 19864 Trace/BPT trap: 5       "$PUB" upgrade "$VERBOSITY" --no-precompile
Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (6 tries left)

I'm running an apple dev kit that is using apple silicon.

@jmagman
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jmagman commented Oct 27, 2020

Do you know what version of Flutter are you on? I believe it should be fixed on the stable channel. I was just on a DTK where it was working on master, though I didn't try stable.

@jmagman
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jmagman commented Oct 27, 2020

In any case you will need to be on master to flutter run on a real device to pick up flutter/flutter#68855

@MichelMelhem
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@jmagman Update : I'm now able to successfully run flutter doctor but my app still won't compile running the same issue that was mentioned before:

Flutter run logs :

Downloading ios tools...                                            2.9s
Downloading ios-profile tools...                                    1.3s
Downloading ios-release tools...                                    8.5s
Running "flutter pub get" in bestreport...                         11.3s
Launching lib/main.dart on iPhone 11 in debug mode...
 
Running pod install...                                             18.8s
Running Xcode build...                                                  
Xcode build done.                                           28.5s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **


Xcode's output:
↳
    rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0x21f48a0 offset=0x1000 prot=1 flags=2
    clang: error: unable to execute command: Trace/BPT trap: 5
    clang: error: linker command failed due to signal (use -v to see invocation)
    Command Ld failed with a nonzero exit code
    rosetta error: unhandled 16KB-unaligned mmap addr=0x0 len=0x21f48a0 offset=0x1000 prot=1 flags=2
    clang: error: unable to execute command: Trace/BPT trap: 5
    clang: error: linker command failed due to signal (use -v to see invocation)
    Command Ld failed with a nonzero exit code
    note: Using new build system
    note: Building targets in parallel
    note: Planning build
    note: Constructing build description

Flutter doctor -v output :

michel@iMac-de-Michel bestreport % flutter doctor -v
[✓] Flutter (Channel stable, 1.22.2, on macOS 11.0 20A5395g, locale en-FR)
    • Flutter version 1.22.2 at /Users/michel/developement/flutter
    • Framework revision 84f3d28555 (12 days ago), 2020-10-15 16:26:19 -0700
    • Engine revision b8752bbfff
    • Dart version 2.10.2


[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at /Users/michel/Library/Android/sdk
    • Platform android-29, build-tools 29.0.2
    • Java binary at: /Users/michel/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/192.6392135/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b4-5784211)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.1, Build version 12A7403
    • CocoaPods version 1.9.1

[!] Android Studio (version 3.6)
    • Android Studio at /Users/michel/Library/Application Support/JetBrains/Toolbox/apps/AndroidStudio/ch-0/192.6392135/Android Studio.app/Contents
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b4-5784211)

[!] IntelliJ IDEA Ultimate Edition (version 2019.3.4)
    • IntelliJ at /Users/michel/Applications/JetBrains Toolbox/IntelliJ IDEA Ultimate.app
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • For information about installing plugins, see
      https://flutter.dev/intellij-setup/#installing-the-plugins

[!] VS Code (version 1.49.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    ✗ Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected device (1 available)
    • iPhone 11 (mobile) • 02132D76-EFC8-49C3-96E5-A11847E4394D • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-0 (simulator)

! Doctor found issues in 3 categories.

@jmagman
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jmagman commented Oct 27, 2020 •
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@MichelMelhem Apple Silicon isn't fully supported for Flutter yet, even on the master channel. And definitely not on the stable channel. We're tracking with flutter/flutter#60118. If you encounter issues that aren't on that list, please file a new issue in the flutter/flutter repo and we can take a look.

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@mraleph @jmagman @cbenhagen @Livinglist @rmacnak-google @MichelMelhem