Issues

• Input/output error on directory junction without drive letter

  emailed-logs
  microsoft/WSL#41842 · Filter by author js-docu opened on Oct 8, 2026
  3

• Expose WslcFeatureFlagsNestedVirtualization through both the **CLI flags** and **Configuration Files**.

  featurewslc
  microsoft/WSL#41838 · Filter by author rustleliu opened on Oct 8, 2026
  1

  

• Sparse disk corrupted due to lack of storage space [fix inside]

  microsoft/WSL#41837 · Filter by author andrico21 opened on Oct 8, 2026
  2

• [Consomme] bind(0.0.0.0, explicit TCP port) succeeds but leaves the socket unbound; listen() assigns a random port

  microsoft/WSL#41836 · Filter by author moliyu opened on Oct 8, 2026
  3

• wsl3.0.1安装Ubuntu-26.04过程中出错

  needs-author-feedback
  microsoft/WSL#41834 · Filter by author shifenglee16-create opened on Oct 8, 2026
  1

• New sessions fail with Wsl/Service/0x8007274c: hv_pri_chan worker stuck in hvs_probe → __vmbus_open (WSL 2.7.3 / kernel 6.6, same as #41777)

  emailed-logs
  microsoft/WSL#41830 · Filter by author tyeth-ai-assisted opened on Oct 7, 2026
  8

  

• virtiofs=true puts swiotlb=force on the cmdline and hv_storvsc runs the default bounce pool dry ("swiotlb buffer is full")

  microsoft/WSL#41828 · Filter by author Hekzory opened on Oct 7, 2026
  3

• CPUID Fn8000_0021_EAX reads as 0 in the WSL2 guest on Zen 5, kernel falls back to retpolines

  microsoft/WSL#41827 · Filter by author Hekzory opened on Oct 7, 2026
  3

• WSL 3.0.1 (kernel 6.18.40.1): /proc/self/io missing, breaks Typesense container (SIGSEGV)

  microsoft/WSL#41825 · Filter by author ibril15 opened on Oct 7, 2026
  4

  

• wslg - not working

  microsoft/WSL#41823 · Filter by author cabiamdos opened on Oct 7, 2026
  3

• DNS tunneling (10.255.255.254) stops answering when an Up, lowest-metric adapter without a default route has DNS servers configured

  emailed-logsnetwork
  microsoft/WSL#41814 · Filter by author YeungOnion opened on Oct 6, 2026
  3

• Mirrored: 0x8007054f traced to HcnReserveGuestNetworkServicePortRange(4095) failing when WinNAT exclusions fragment the dynamic port range

  needs-author-feedbacknetwork
  microsoft/WSL#41812 · Filter by author sl3456 opened on Oct 6, 2026
  1

• Docker Engine not runnig

  needs-author-feedbackwslc
  microsoft/WSL#41803 · Filter by author shwethaharishh opened on Oct 5, 2026
  1

• Impossibile creare password

  needs-author-feedback
  microsoft/WSL#41801 · Filter by author danielbarbetta opened on Oct 5, 2026
  4

• WSL2 mirrored networking mode silently drops application data on 127.0.0.1 loopback TCP connections (fakeroot sessions hang)

  network
  microsoft/WSL#41798 · Filter by author yveming opened on Oct 4, 2026
  5

• WSL 2.7.13: cold startup takes 23-32s despite ~11s systemd startup; 219/CGROUP with 6.18.40.1 custom kernel

  needs-author-feedback
  microsoft/WSL#41796 · Filter by author gotoo77 opened on Oct 4, 2026
  4

• [Feature Request] wslc should inherit host proxy environment variables and support registry mirrors

  featurewslc
  microsoft/WSL#41794 · Filter by author damifan3 opened on Oct 4, 2026
  3

  

• wslc: wslc container cp fails on symbolic links created by WSL or WSLC

  bugwslc
  microsoft/WSL#41793 · Filter by author u1f992 opened on Oct 4, 2026
  3

  

• Kernel 6.18.40.1 config drops CONFIG_DRM/MTRR/X86_PAT: no /dev/dri, slow video in WSL2 distros

  microsoft/WSL#41792 · Filter by author jbyibm opened on Oct 3, 2026
  3

  

• wslc: --gpus all aborts container creation on Alpine/musl images (GPU hook treats ldconfig exit code 1 as fatal)

  bugemailed-logswslc
  microsoft/WSL#41791 · Filter by author chenmohan123 opened on Oct 3, 2026
  4

  

• wslc NAT image pull over GlobalProtect VPN fails at MTU 1400, succeeds at 1360

  bugneeds-author-feedbackwslc
  microsoft/WSL#41790 · Filter by author diegomon opened on Oct 3, 2026
  2

  

• Supported way to detect WSL2 utility-VM pause/resume or discontinuity during a bounded interval

  needs-author-feedbackquestion
  microsoft/WSL#41789 · Filter by author nicolasgiroux opened on Oct 3, 2026
  4

• wsl --install <distro> elevates and runs DISM to enable VirtualMachinePlatform although WSL 2 distros already run

  needs-author-feedback
  microsoft/WSL#41785 · Filter by author sytelus opened on Oct 3, 2026
  1

• WSL 3.0.1: CPU writes to D3D12 UPLOAD-heap mappings via /dev/dxg run at ~9 MB/s (Mesa d3d12 texture uploads ~700x slower than on 2.7.10)

  GPUneeds-author-feedback
  microsoft/WSL#41784 · Filter by author sytelus opened on Oct 3, 2026
  1

• New sessions fail with Wsl/Service/WSAENOBUFS after Modern Standby resume — guest VMBus offer/rescind deadlock (hvs_probe stuck in vmbus_open, ~1,950 offers queued)

  microsoft/WSL#41777 · Filter by author derekrprice opened on Oct 2, 2026
  2