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https://docs.microsoft.com/windows/wsl
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Unable to start Ubuntu #11725

Open struglee opened 2 months ago

struglee commented 2 months ago

Windows Version

Microsoft Windows [Version 10.0.22631.3737]

WSL Version

2.2.4.0

Are you using WSL 1 or WSL 2?

Kernel Version

No response

Distro Version

Ubuntu-20.04

Other Software

No response

Repro Steps

Start Ubuntu 20.04 from Windows terminal.

Expected Behavior

Ubuntu 20.04 should start normally.

Actual Behavior

灾难性故障 Error code: Wsl/Service/CreateInstance/E_UNEXPECTED

[已退出进程，代码为 4294967295 (0xffffffff)]

Diagnostic Logs

WslLogs-2024-06-25_09-58-02.zip

I see some error messages for 'Failed to find handle VmbusVdevHandle for device with instance ID' in the logs, but I don't know what to do.

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Diagnostic information 
.wslconfig found
Detected appx version: 2.2.4.0
Detected user visible error: Wsl/Service/CreateInstance/E_UNEXPECTED

OneBlue commented 1 month ago

This issue is caused by a segfault in init: 

Microsoft.Windows.Lxss.Manager  GuestLog    06-24-2024 18:58:47.778 "   "   "text:  ""[    1.168587] init[211]: segfault at 1 ip 000000000032b93a sp 00007ffd89f612a8 error 4 in init[299000+15a000] ""
vmId:   {3557af94-5639-4053-a9b8-13c5e2342a48}"             10156   9120    5       00000000-0000-0000-0000-000000000000

I'll come back to this with instructions on how to capture a process once we have more logging to help root cause issues like this.

OneBlue commented 3 weeks ago

@struglee: Can you try to update to the latest package and reproduce the issue ?

This should generate a crash dump in %tmp%/wsl-crashes

struglee commented 2 weeks ago

Here is the crash dump. wsl-crash-1722926090-1-_init-11.dmp

OneBlue commented 2 weeks ago

Thank you @struglee. With this dump I root caused the issue to a bug causing init to crash when initPath in /etc/wsl.conf points to a file that doesn't exist.

This will be fixed in the next release. In the meantime, setting: 

[wsl2]
safeMode=true

in %USERPROFILE%/.wslconfig should allow you to boot the distribution and remove initPath from /etc/wsl.conf to get your distro back in a working state.