Public bug reported:
While running dotnet test, the vstest console process aborted with "Internal
CLR error" (COR_E_EXECUTIONENGINE, 0x80131506).
Disassembly of the crash frames shows a managed exception being thrown from
System.Net.Sockets ReadyToRun code; during dispatch,
SoftwareExceptionFrame::Init called PAL_VirtualUnwind, which failed (system
libunwind 8.2.0 via _ULx86_64_step), triggering EEPolicy::HandleFatalError.
Microsoft's builds vendor libunwind; the Ubuntu dotnet10 build links the system
one, which may be the trigger. Package:
dotnet-host-10.0 10.0.10-0ubuntu1~26.04.1, Ubuntu 26.04, kernel
7.0.0-28.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: dotnet10 (not installed)
ProcVersionSignature: Ubuntu 7.0.0-28.28-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Aug 7 14:19:02 2026
InstallationDate: Installed on 2026-07-25 (13 days ago)
InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Release amd64 (20260423.1)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: dotnet10
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: dotnet10 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Attachment added: "dotnet-crash-full-report.txt"
https://bugs.launchpad.net/bugs/2163034/+attachment/5990313/+files/dotnet-crash-full-report.txt
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https://bugs.launchpad.net/bugs/2163034
Title:
dotnet crashed with SIGABRT — fatal CLR error 0x80131506 in
SoftwareExceptionFrame::Init (PAL_VirtualUnwind failure) during dotnet
test
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