microsoft / microsoft/vscode-remote-release

Can't ssh to HPC clusters from VS Code

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#11,314 2 comments 0 reactions 0 assignees View on GitHub

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Description

Type: Bug

Since version 1.100, I can no longer login to HPC clusters like the TACC ones directly in VS Code. I started to notice this issue around June. This week, the updated feedback I received is "Unfortunately there aren't any changes that can be made on TACC's side to
address the compatibility issues VSCode introduced in their latest releases.
They'd have to release a version that corrects those problems. Until then,
rolling back the version will be the only solution."

Extension version: 0.120.0
VS Code version: Code 1.106.0 (ac4cbdf48759c7d8c3eb91ffe6bb04316e263c57, 2025-11-11T16:02:25.943Z)
OS version: Darwin arm64 25.1.0
Modes:
Remote OS version: Linux x64 6.1.0-40-cloud-amd64

System Info
Item Value
CPUs Apple M1 Pro (10 x 2400)
GPU Status 2d_canvas: enabled
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: enabled_on
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) 5, 4, 4
Memory (System) 32.00GB (0.54GB free)
Process Argv --crash-reporter-id 7696ff7d-e989-4a9e-b919-6ac872da3057
Screen Reader no
VM 0%
Item Value
Remote SSH: instance-cpu
OS Linux x64 6.1.0-40-cloud-amd64
CPUs Intel(R) Xeon(R) 6985P-C CPU @ 2.30GHz (16 x 0)
Memory (System) 58.87GB (56.63GB free)
VM 0%

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the SSH connection failure with VS Code 1.106.0, Remote-SSH extension 0.120.0, and the listed Linux remote environment, then compare it with a rolled-back version. The issue is done when login to TACC or another HPC cluster works in the current release without changes on the cluster side.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux, vscode
Domain
devtools, networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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