microsoft/hcsshim

View on GitHub

Windows - Host Compute Service Shim

Stars: 694
Forks: 304
Open beginner issues: 0
Indexed issues: 67
Avg merge: 1d 19h
Merged PRs (30d): 28

Dominant language: Go
License: MIT
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

67 open issues indexed

Stdin handle required to avoid conpty race condition upon WCOW container startup with terminal Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/hcsshim#2831 · 3 comments · Opened Jul 20, 2026
Request: move `internal/computecore` and `internal/hcs` out of `internal/` Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/hcsshim#2823 · 8 comments · Opened Jul 13, 2026
[Live Migration] Add unit tests in VM Controller for migration flows Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/hcsshim#2812 · Opened Jul 9, 2026
Standardize go:generate for controller mocks + CI drift validation Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

microsoft/hcsshim#2707 · Opened Apr 27, 2026
[shimV2] Add sandbox filtering to ShimDiag Tasks RPC and introduce DiagSandboxes RPC Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

microsoft/hcsshim#2695 · Opened Apr 21, 2026
[shimV2] refactor scsi controller Open

microsoft/hcsshim#2689 · 1 assignee · Opened Apr 16, 2026
Adds unit tests and parity tests for the V2 shim Open

microsoft/hcsshim#2668 · 1 assignee · Opened Apr 8, 2026
BSOD (MULTIPLE_IRP_COMPLETE_REQUESTS, SYNTHETIC_WATCHDOG_TIMEOUT) when using CimFS snapshotter on Windows Server 2022 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#2625 · Opened Mar 5, 2026
Panic: assignment to entry in nil map in NewRegoPolicyInterpreter (copyObject) Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

microsoft/hcsshim#2596 · Opened Feb 5, 2026
ipv6 portmapping policy dose not work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#2590 · Opened Jan 16, 2026
Hyper-V Linux API support on root partition Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/hcsshim#2579 · Opened Dec 31, 2025
GoogleContainerTools/distroless images fail for confidential containers in ACI Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/hcsshim#2574 · 3 comments · 6 reactions · Opened Dec 11, 2025
Failures to apply L4WFPPROXY policy on Kubernetes nodes Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2571 · 3 comments · 11 reactions · Opened Dec 8, 2025
Windows Server 2025 LTSC container images incompatible with Windows 11 25H2 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/hcsshim#2566 · Opened Nov 24, 2025
(HTTP code 500) server error - hcsshim::ActivateLayer failed in Win32: The process cannot access the file because it is being used by another process. (0x20) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#2553 · 2 comments · Opened Nov 6, 2025
PR #2512 (OPA Version Bump) Not Yet Merged to Main — Vulnerability Still Presen Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

microsoft/hcsshim#2548 · 1 reaction · Opened Nov 2, 2025
expanding rootfs size does not seem to work Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#2541 · 2 comments · Opened Oct 17, 2025
Adding Kripton container support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#2502 · 2 comments · Opened Aug 22, 2025
CQI Failing tests fix: RunPodSandbox_ProcessDump_WCOW_Hypervisor Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

microsoft/hcsshim#2420 · Opened Apr 25, 2025
calling PropertiesV2 as library consumer Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/hcsshim#2370 · Opened Feb 8, 2025
Switch to an vendor neutral logger interface or stdlib slog logging Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/hcsshim#2368 · 4 comments · Opened Jan 29, 2025
failed to waitForNotification: callbackNumber does not exist in callbackMap Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#2367 · Opened Jan 29, 2025
Failure on image pull: UtilityVM: Incorrect function.: unknown Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2294 · 1 comment · Opened Oct 15, 2024
Move hns package out of hcsshim to its own repo Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#2236 · 1 comment · 3 reactions · Opened Aug 16, 2024
hcsshim::ProcessBaseLayer \\\\?\\C:\\ProgramData\\containerd\\root\\io.containerd.snapshotter.v1.windows\\snapshots\\25: The system cannot find the path specified.: unknown" Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2226 · 3 comments · Opened Aug 9, 2024
Process Private Memory Continuously Increasing Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2217 · 5 comments · Opened Jul 26, 2024
Upgrade github.com/open-policy-agent/opa in 0.12 release Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/hcsshim#2178 · 2 comments · Opened Jun 19, 2024
Confine containerd dependency to specific binaries Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/hcsshim#2163 · 1 reaction · Opened Jun 10, 2024
hcnDeleteNamespace failed in Win32: The specified request is unsupported (0x803b0015) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2155 · 2 comments · Opened Jun 3, 2024
[Feature Request] Provide details when throwing errors Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#2127 · Opened May 2, 2024
Process running within Docker Container throws OOM error but container doesn't report the error when exited Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#2083 · 1 comment · Opened Mar 25, 2024
Cannot create New-BCContainer: hcsshim::ExpandScratchSize failed in Win32: The system cannot find the file specified. "c:\bcartifacts.cache:c:\dl" Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#2082 · Opened Mar 24, 2024
ORMergeHives - public documentation? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/hcsshim#2076 · 1 reaction · Opened Mar 22, 2024
hcsshim::PrepareLayer failed in Win32: The system cannot find the path specified. (0x3) on Docker Desktop 4.28.0 (139021) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2075 · 3 comments · Opened Mar 22, 2024
choco install magicsplat-tcl-tk fails with hcsshim::ImportLayer failed in Win32 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#2070 · 1 comment · Opened Mar 16, 2024
windows server 2022: create HNSEndpoint error:The provided policy configuration is invalid or missing parameters. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#1951 · 3 comments · Opened Oct 30, 2023
Windows Containers for GUI application Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

microsoft/hcsshim#1848 · Opened Jul 26, 2023
failed to shutdown container: failure in a Windows system call: The interface is unknown. (0x6b5)] Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

microsoft/hcsshim#1768 · Opened May 10, 2023
failed to close job container stdout error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/hcsshim#1690 · Opened Mar 11, 2023
github.com/pkg/errors is archived Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/hcsshim#1614 · 8 comments · Opened Jan 9, 2023
Excessive logging from shim into containerd logs (with containerd 1.6.8+) including all ENV vars Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/hcsshim#1532 · 8 comments · Opened Sep 29, 2022
WCIFS/AttachLayerStorageFilter read-only mount support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#1520 · 1 comment · Opened Sep 20, 2022
[feature request] tar2ext4.go -vhd to support dynamic-size VHD creation Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/hcsshim#1460 · 3 comments · Opened Jul 15, 2022
get an error when do 'docker run': C:\Program Files\Docker\Docker\resources\bin\docker.exe: Error response from daemon: hcsshim::PrepareLayer - failed failed in Win32: The device is not ready. (0x15). Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

microsoft/hcsshim#1425 · Opened Jun 9, 2022
Explore options to provide entropy from within UVM Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/hcsshim#1330 · 1 comment · Opened Mar 16, 2022
De-flake TestPseudoConsolePowershell Open

microsoft/hcsshim#1282 · 1 comment · 1 assignee · Opened Jan 19, 2022
[Question] Securitypolicy for container cwd Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#1236 · 1 comment · Opened Nov 29, 2021
[Investigation] Remove Containerd dependency from root go.mod Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#1148 · 3 comments · 1 reaction · Opened Sep 3, 2021
container encountered an error during hcsshim::System:: Start: context deadline exceeded Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/hcsshim#1077 · 1 comment · Opened Jul 19, 2021
How is read-write layer mounting done on the host with computestorage? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/hcsshim#1076 · Opened Jul 16, 2021

microsoft/hcsshim

Get new issues in your inbox