Running pwsh fails, not finding a valid ICU package

[farzadmf]

Hi,

I have installed PowerShell using snap in Manjaro Linux; here's the output of snap --version:

snap     2.40-1
snapd    2.40-1
series   16
manjaro  -
kernel   5.1.21-1-MANJARO

And my PowerShell version (output of snap list powershell):

Name        Version  Rev  Tracking  Publisher              Notes
powershell  6.2.2    36   stable    microsoft-powershell*  classic

And when I run pwsh, I get this error:

FailFast:
Couldn't find a valid ICU package installed on the system. Set the configuration flag System.Globalization.Invariant to true if you want to run with no globalization support.

   at System.Environment.FailFast(System.String)
   at System.Globalization.GlobalizationMode.GetGlobalizationInvariantMode()
   at System.Globalization.GlobalizationMode..cctor()
   at System.Globalization.CultureData.CreateCultureWithInvariantData()
   at System.Globalization.CultureData.get_Invariant()
   at System.Globalization.CultureInfo..cctor()
   at System.StringComparer..cctor()
   at System.AppDomain.InitializeCompatibilityFlags()
   at System.AppDomain.Setup(System.Object)
[1]    27195 abort (core dumped)  pwsh

I'm not sure what's happening here because I have package [email protected] installed on Manjaro.

There's a discussion on PowerShell/PowerShell#9522, and also I saw from dotnet/core#2186 that apparently you can configure runtimeOptions for a dotnet app to disable globalization,

I think it would be great if we didn't need to force a configuration to disable globalization, but anyway, even if I want to do it, I don't know where I can configure that option for the snap version of PowerShell.

Thank you

[jasper-zanjani]

I was about to post a bug report, I am getting the exact same error running on Manjaro as well. But after researching the issue and finding this article, I got PowerShell Core to run by setting an environment variable DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1 in bash

[ultraviolet-1986]

Same on fresh install of Fedora 30. Can run it with export DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1 ; powershell (thanks @jasper-zanjani) but when ran using just powershell I get the following:

FailFast:
Couldn't find a valid ICU package installed on the system. Set the configuration flag System.Globalization.Invariant to true if you want to run with no globalization support.

   at System.Globalization.GlobalizationMode.GetGlobalizationInvariantMode()
   at System.Globalization.GlobalizationMode..cctor()
   at System.Globalization.CultureData.CreateCultureWithInvariantData()
   at System.Globalization.CultureData.get_Invariant()
   at System.Globalization.CultureInfo..cctor()
   at System.StringComparer..cctor()
   at System.AppDomain.InitializeCompatibilityFlags()
Aborted (core dumped)

[SteveL-MSFT]

@TravisEz13 can we include the required ICU pkg as part of the snap pkg?

[TravisEz13]

The message is a red herring. The ICU package is already included, otherwise the package just won't work.

PowerShell-Snap/preview/snap/snapcraft.yaml

Line 87 in f4f67c6

- libicu55

[phillipsj]

I can confirm that I am getting the same error running the PowerShell 6.2.3 Snap on Manjaro.

OS: Manjaro 18.1.0
Kernel: x86_64 Linux 5.3.6.1
Shell: bash 5.0.11

[TravisEz13]

I have a test snap to fix this issue.
https://powershell.visualstudio.com/_apis/resources/Containers/1740216?itemPath=artifacts%2Fpowershell-preview_7.0.0-preview.4_amd64.snap
sudo snap install ~/Downloads/powershell-preview_7.0.0-preview.4_amd64.snap --classic --dangerous

[verchalent]

Just updated to Ubuntu 19.10 and I am seeing this issue as well with both the PowerShell and PowerShell-Preview snaps.

@TravisEz13 The link you provided throws a not-authorized error for me, so couldn't test.

[TravisEz13]

I have a build in snap now you can try sudo snap install powershell-preview --classic --edge .

[verchalent]

@TravisEz13 I removed the existing preview and reinstalled from the edge channell. No longer getting the ICU error, but that has been replaced with an immediate segfault.

From syslog:
kernel: [150075.475178] pwsh[15497]: segfault at 0 ip 0000000000000000 sp 00007ffea3d18f48 error 14 in pwsh[3ff000+1000]

kernel: [150425.945008] Code: Bad RIP value.

[TravisEz13]

I've published a new snap (I don't think it will fix your issue), can you update to that sudo snap refresh powershell-preview --classic --channel=edge/fixpreviewsnap

Can you run ulimit -c unlimited before running and them post the core dump. You can message me on twitter (TravisPlunk) if you prefer to email it. Make sure to post which revision of the snap was used to generate the core dump.

[TravisEz13]

The latest revision fixed 16.04 and 18.04. Can you test it again using sudo snap refresh powershell-preview --classic --channel=edge/fixpreviewsnap?

I'm going to release this as it addresses a bigger issue.

[verchalent]

@TravisEz13 I captured dumps from the prior test and pinged you on Twitter. With the prior fix (45 min ago) I was still getting core dumps.
With the latest fix, I am back to the ICU error.

[sguertin]

Hi, I'm running ubuntu 19.10 and even with your latest update provided I get the following if I don't set the environment variable before launching:
rocess terminated. Couldn't find a valid ICU package installed on the system. Set the configuration flag System.Globalization.Invariant to true if you want to run with no globalization support.
at System.Environment.FailFast(System.String)
at System.Globalization.GlobalizationMode.GetGlobalizationInvariantMode()
at System.Globalization.GlobalizationMode..cctor()
at System.Globalization.CultureData.CreateCultureWithInvariantData()
at System.Globalization.CultureData.get_Invariant()
at System.Globalization.CultureInfo..cctor()
at System.Globalization.CultureInfo.get_CurrentUICulture()
at Microsoft.PowerShell.NativeCultureResolver.get_UICulture()
at Microsoft.PowerShell.UnmanagedPSEntry.Start(System.String, System.String[], Int32)
at Microsoft.PowerShell.ManagedPSEntry.Main(System.String[])
Aborted (core dumped)

[TravisEz13]

Okay, I think I have a fix for this sudo snap refresh powershell-preview --classic --channel=edge/fixlibicu

[verchalent]

Working on Ubuntu 19.10 after that patch. You just made my day!

[jonstelly]

I was about to post a bug report, I am getting the exact same error running on Manjaro as well. But after researching the issue and finding this article, I got PowerShell Core to run by setting an environment variable DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1 in bash

I didn't want to switch to the preview just yet so I tried this and it fixed it for me on Ubuntu 19.10. This is the end of my .bashrc (starts pwsh inside tmux)

export DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1

if command -v tmux &> /dev/null && [ -n "$PS1" ] && [[ ! "$TERM" =~ screen ]] && [[ ! "$TERM" =~ tmux ]] && [ -z "$TMUX" ]; then
  exec tmux
else
  pwsh -i
  exit
fi

[TravisEz13]

@jonstelly The changes to fix this were pretty big. I don't want to back port them at this point.

[jonstelly]

Not a problem, I just wanted to add a bit of detail for the workaround for folks on 19.10 that couldn't move to the powershell preview yet. Thanks for getting it fixed for 7, I'm looking forward to trying out 7 soon.

[TravisEz13]

Some things regressed in the stable image when I was working on this. I back ported the safe changes. I tested it on 19.10 and it works for me:
sudo snap install powershell --channel=edge/Fixstable --classic

[agnutzmann]

Okay, I think I have a fix for this sudo snap refresh powershell-preview --classic --channel=edge/fixlibicu

Thanks, worked for me. I just changed to install instead refresh:
sudo snap install powershell-preview --classic --channel=edge/fixlibicu

[TravisEz13]

@agnutzmann Yeah, depends on your initial state.

[TravisEz13]

I released the fix for the powershell package