GlobalSuppression doesn't take effect

[TamasSzalisznyi]

Type: Bug

Issue Description

Some warnings are suppressed in the global suppression file but they are still reported in the project

Steps to Reproduce

add a suppression with higher scope. I'm using namespace and type usually

Expected Behavior

warning should be not visible more

Actual Behavior

warnings are visible

Logs

C# log

Post the output from Output-->C# here

exthost.log
extensionTelemetry.log
ms-dotnettools.vscode-dotnet-runtime.zip
exthost.zip
ms-dotnettools.csdevkit.zip

C# LSP Trace Logs

Post the output from Output-->C# LSP Trace Logs here. Requires `dotnet.server.trace` to be set to `Trace`

Environment information

VSCode version: 1.84.2
C# Extension: 2.50.27
Using OmniSharp: false

Dotnet Information

.NET SDK: Version: 8.0.403 Commit: c64aa40a71 Workload version: 8.0.400-manifests.18f19b92 MSBuild version: 17.11.9+a69bbaaf5

Runtime Environment:
OS Name: Windows
OS Version: 10.0.19045
OS Platform: Windows
RID: win-x64
Base Path: C:\Users\tszalisz\dotnet8\sdk\8.0.403\

.NET workloads installed:
Configured to use loose manifests when installing new manifests.
There are no installed workloads to display.

Host:
Version: 8.0.10
Architecture: x64
Commit: 81cabf2857

.NET SDKs installed:
8.0.403 [C:\Users\tszalisz\dotnet8\sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 8.0.10 [C:\Users\tszalisz\dotnet8\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 8.0.10 [C:\Users\tszalisz\dotnet8\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 8.0.10 [C:\Users\tszalisz\dotnet8\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
x86 [C:\Program Files (x86)\dotnet]
registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

Environment variables:
DOTNET_ROOT [C:\Users\tszalisz\dotnet8]

global.json file:
Not found

Learn more:
https://aka.ms/dotnet/info

Download .NET:
https://aka.ms/dotnet/download

Visual Studio Code Extensions

Extension	Author	Version	Folder Name
autodocstring	njpwerner	0.6.1	njpwerner.autodocstring-0.6.1
copilot	GitHub	1.250.0	github.copilot-1.250.0
copilot-chat	GitHub	0.10.2	github.copilot-chat-0.10.2
csdevkit	ms-dotnettools	1.7.27	ms-dotnettools.csdevkit-1.7.27-win32-x64
csharp	ms-dotnettools	2.50.27	ms-dotnettools.csharp-2.50.27-win32-x64
debugpy	ms-python	2024.0.0	ms-python.debugpy-2024.0.0-win32-x64
even-better-toml	tamasfe	0.19.2	tamasfe.even-better-toml-0.19.2
gitlens	eamodio	16.3.2	eamodio.gitlens-16.3.2
intellicode-api-usage-examples	VisualStudioExptTeam	0.2.8	visualstudioexptteam.intellicode-api-usage-examples-0.2.8
pylint	ms-python	2025.2.0	ms-python.pylint-2025.2.0
python	ms-python	2024.2.1	ms-python.python-2024.2.1
robotcode	d-biehl	0.82.3	d-biehl.robotcode-0.82.3
vscode-dotnet-runtime	ms-dotnettools	2.2.8	ms-dotnettools.vscode-dotnet-runtime-2.2.8
vscode-eslint	dbaeumer	3.0.8	dbaeumer.vscode-eslint-3.0.8
vscode-pylance	ms-python	2024.3.2	ms-python.vscode-pylance-2024.3.2
vscode-xml	redhat	0.28.0	redhat.vscode-xml-0.28.0-win32-x64
vscodeintellicode	VisualStudioExptTeam	1.3.1	visualstudioexptteam.vscodeintellicode-1.3.1
vscodeintellicode-csharp	ms-dotnettools	2.2.3	ms-dotnettools.vscodeintellicode-csharp-2.2.3-win32-x64

Extension version: 2.50.27
VS Code version: Code 1.84.2 (1a5daa3a0231a0fbba4f14db7ec463cf99d7768e, 2023-11-09T10:51:52.184Z)
OS version: Windows_NT x64 10.0.19045
Modes:

System Info

Item	Value
CPUs	Intel(R) Xeon(R) Platinum 8358P CPU @ 2.60GHz (6 x 2594)
GPU Status	2d_canvas: unavailable_software canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: disabled_software multiple_raster_threads: enabled_on opengl: disabled_off rasterization: disabled_software raw_draw: disabled_off_ok video_decode: disabled_software video_encode: disabled_software vulkan: disabled_off webgl: unavailable_software webgl2: unavailable_software webgpu: unavailable_software
Load (avg)	undefined
Memory (System)	20.00GB (7.90GB free)
Process Argv	--crash-reporter-id 345204b3-35d1-47c0-9b2b-fd5dba7f51cc
Screen Reader	no
VM	100%

A/B Experiments

vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805cf:30301675
binariesv615:30325510
py29gd2263:31024239
vscaat:30438848
c4g48928:30535728
azure-dev_surveyone:30548225
vscrp:30673768
962ge761:30959799
pythontbext0:30879054
cppperfnew:31000557
dwnewjupyter:31046869
nativerepl2:31139839
pythonrstrctxt:31112756
nativeloc2:31192216
iacca1:31171482
5fd0e150:31155592
dwcopilot:31170013
6074i472:31201624
dwoutputs:31242946
customenabled:31248079
9064b325:31222308
copilot_t_ci:31222730
f5992895:31254866
jda6j935:31233686
4d2d8976:31256800
31787653:31256342

[dibarbet]

@TamasSzalisznyi would you mind updating your C# extension to the latest prerelease (2.70.15)? It looks like you're on a very old version and there was a bug with suppressions previously.

[dibarbet]

closing, not actionable