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Enabling Github Copilot Chat causes VS code freeze #331963

Description

@sameerpjoshi

Type: Bug

Use VSCode on WSL Ubuntu. Create a workspace from existing source code of around 1000-2000 files.
Enable Github Copilot Chat extension by clicking on "Enable AI features".
It happens that the VSCode randomly starts showing issues with Window not responding with options to reopen , keep waiting .
This starts happening randomly while browsing the source code.

VS Code version: Code 1.134.0 (110a328, 2026-08-18T18:24:44Z)
OS version: Windows_NT x64 10.0.26200
Modes:
Remote OS version: Linux x64 6.6.114.1-microsoft-standard-WSL2

System Info
Item Value
CPUs Intel(R) Core(TM) Ultra 5 135U (14 x 2688)
GPU Status 2d_canvas: enabled
GPU0: VENDOR= 0x8086, DEVICE=0x7d45 [Intel(R) Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.8724 ACTIVE
GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8875
Machine model name:
Machine model version:
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 31.46GB (5.75GB free)
Process Argv --trace --trace-category-filter=renderer,blink,v8,disabled-by-default-v8.cpu_profiler
--remote=wsl+Ubuntu --crash-reporter-id 464cc838-8650-4ab7-bada-5af7b3249982
Screen Reader no
VM 0%
Item Value
Remote WSL: Ubuntu
OS Linux x64 6.6.114.1-microsoft-standard-WSL2
CPUs Intel(R) Core(TM) Ultra 5 135U (14 x 0)
Memory (System) 15.35GB (13.28GB free)
VM 0%
Extensions (15)
Name Identifier Author Version
Dev Containers ms-vscode-remote.remote-containers ms-vscode-remote 0.466.0
Remote - SSH ms-vscode-remote.remote-ssh ms-vscode-remote 0.124.0
Remote - SSH: Editing Configuration Files ms-vscode-remote.remote-ssh-edit ms-vscode-remote 0.87.0
WSL ms-vscode-remote.remote-wsl ms-vscode-remote 0.104.3
Remote Explorer ms-vscode.remote-explorer ms-vscode 0.5.0
GitLens — Git supercharged eamodio.gitlens eamodio 19.0.1
GitHub Pull Requests github.vscode-pull-request-github GitHub 0.162.0
Git Graph mhutchie.git-graph mhutchie 1.30.0
Python Debugger ms-python.debugpy ms-python 2026.6.0
Python ms-python.python ms-python 2026.4.0
Python Environments ms-python.vscode-python-envs ms-python 1.36.0
CMake Tools ms-vscode.cmake-tools ms-vscode 1.23.52
C/C++ DevTools ms-vscode.cpp-devtools ms-vscode 0.5.14
C/C++ ms-vscode.cpptools ms-vscode 1.33.8
C/C++ Extension Pack ms-vscode.cpptools-extension-pack ms-vscode 1.5.1
A/B Experiments
vsliv368:30146709
vswsl492cf:30256860
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
envsactivate1:31551504
cloudbuttont:31379625
3efgi100_wstrepl:31403338
ec5jj548:31422691
cp_cls_t_966_ss:31526232
4je02754:31466945
8hhj4413:31478653
ge8j1254_inline_auto_hint_haiku:31490510
cp_cls_c_1081:31454833
conptydll_true:31498968
e9c30283:31461165
test_treatment2:31471001
c9b86496:31447327
capico_a_098a3278:31555650
ei9d7968:31496641
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
ah:31461780
89g7j272:31518289
i2gc6536:31499202
52612955:31516516
ghj88844:31499326
ec1eg703:31520046
ddid_t:31478206
hmra_i5g22:31518061
7df3h592:31512476
cp_cls_t_1082:31535311
logging_enabled_new:31498466
db5d2638:31499441
jb_cp_cls_t_632:31543129
56dj4588:31512888
32d76977:31512328
ha629193:31508444
jh5f2457_c:31540921
jbcp_cls_pctr_t:31531130
61138546:31518536
cp_intellij_t_nes:31548657
gf14b233:31526830
ahp-both-windows:31556933
sessions_5:31532894
ihg5j128:31534457
f412h606:31551416
7g2b5551:31542111
enable_editor_pane_layout:31569726
allow-none:31555437
6i51c363:31551401
36h42362:31564511
c7c27ce7:31554789
1h923230:31564177
1532g621_copy:31554320
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
0d8dfbc3:31570291
a1hcc538:31559322
0c1h4866:31566224
vrbsty_fls:31561059
session-archive:31558132
5b8j3302:31564601
mangle-name-control:31570927
permission_prompt_treatment:1332566
ccr_pr_nudge_control:1319470
vsc_wsm_t:1340632

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