Linux-based virtual machines randomly stop responding to input from the keyboard and the mouse
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Article ID: 344951
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Updated On:
Products
VMware vCenter Server
VMware vSphere ESXi
Issue/Introduction
Symptoms:
- Keyboard/Mouse input would intermittently stop working in some Linux Guests
- This issue is seen post upgrading to vSphere 8.0 Update 2
Environment
VMware vSphere ESXi 8.0
VMware vCenter Server 8.0
Cause
This issue is caused due to timing sensitive race condition that's triggered by both
keyboard/mouse events coming through simultaneously
Resolution
This issue is resolved with vSphere 8.0 U2b Build 23305546, available at VMware DownloadsWorkaround:
In order to workaround the issue, refer to the below steps:
- Log in to the vCenter Server UI and
- Right Click on the affected VM and select Power -> Shut Down Guest OS
- Right click the VM and select Edit Settings
- In the Edit Settings window, click on the Advanced Parameters tab
- Add the following entries under Attribute and Value section
- Attribute : keyboard.allowBothIRQs
- Value : FALSE
- Click Add
- Click OK to close the window
- Power on the VM
- Open the VM console to validate the functionality
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