pwsh segmentation fault when running -Command or -File

See original GitHub issue

Prerequisites

Steps to reproduce

We have installed Powershell 7.3.1 using Yum on a Redhat 7.9 OS. We are getting an intermittent Segmentation Fault when attempting to run either a -File or a -Command using pwsh. It does not happen when we just run pwsh. The behavior is very strange. For example, if I run “pwsh -Command {Write-Host ‘hello’}” I will get Segmentation Fault, then after a few tries, it may (or may not) start working as expected. this will continue to work until after the weekend, then it stops working. I am trying to find out what the client sysadmins are doing on the weekend (probably running a Yum update, maybe a system reboot?) So yea, not a lot to go on.

Expected behavior

'hello'

Actual behavior

Segmentation Fault

Error details

Can't provide since Segmentation Fault occurs immediately.

Environment data

Name                           Value
----                           -----
PSVersion                      7.3.1
PSEdition                      Core
GitCommitId                    7.3.1
OS                             Linux 3.10.0-1160.81.1.el7.x86_64 #1 SMP Thu Nov 24 12:21:22 UTC 2022
Platform                       Unix
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Visuals

No response

Issue Analytics

  • State:open
  • Created 8 months ago
  • Comments:12 (7 by maintainers)

github_iconTop GitHub Comments

3reactions
bobrozellecommented, Feb 3, 2023

The problem showed up again using 7.3.0. We removed the StartupProfileData-NonInteractive file under /home/<user-name>/.cache/powershell as recommended by Issue 18998 and pwsh with a -file argument began to work again!

0reactions
daxian-dbwcommented, Mar 7, 2023

From https://github.com/dotnet/runtime/issues/81799#issuecomment-1458494879:

We wrote an entire file processing framework using PowerShell, now the business team is thinking of rejecting the roll-out of this because of this problem and asking us to use Bash instead. Need this addressed. It is a regression and should receive attention.

@bobrozelle I’m sorry that it turns out to be such an annoying blocking issue for you. I just posted the issue to the internal channel for the .NET team and hope we can get some traction by doing that.

At the meantime, can you please consider using v7.2.x of PowerShell instead? It’s a LTS version, the latest version is v7.2.10. We have NOT heard any reports about this “seg fault” issue with the v7.2.x versions, so you can avoid this issue by moving to v7.2 for now.

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