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Neil Cresswell, CEOFebruary 14, 20221 min read

WSL2 - Suspend Resume RTC bug

Another little annoying bug that hit us, and we just found a fix for..

A little known bug with WSL2 is that it does not correctly handle resuming from a suspended state.  When it does resume, the RTC clock simply continues from where it left off.. which is a problem if your machine is suspended for a few days..

No biggie, right... wrong... with so much of the internet (and Kubernetes) forcing the use of TLS/SSL, all communications are checking x509 Certificate validity dates. For that check to work reliably, it requires that devices are kept in sync with actual date / time..

a common error seen would be:

error: Post \"https://x.x.x.x:6443/api/v1/namespaces\": x509: certificate has expired or is not yet valid: current time 2022-02-12T13:17:04Z is before 2022-02-14T08:53:54Z]

So, what to do...

Well, its actually already fixed by MS, but for some reason, its not updated as part of Windows Update (no idea why).. to fix it, simply open a PowerShell windows as admin, and then type wsl --update

Then either restart WSL as it says, or reboot your PC...

No more RTC issues after this.. lovely.

Neil

 

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Neil Cresswell, CEO

Neil brings more than twenty years’ experience in advanced technology including virtualization, storage and containerization.

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