Ubuntu虚拟机启动时持续提示‘Failed to send host log message’错误的求助

Hey there, let's dig into this frustrating VM boot issue you're dealing with! That "ERROR Failed to send host log message" error that used to let you boot fine but now hangs is definitely annoying, so let's walk through some practical fixes step by step:

• Check VM log settings & storage
  Open your virtualization software (like VirtualBox or VMware), head to your Ubuntu VM's settings, and look for the log-related options. Common issues here include:

  • The log storage path doesn't exist anymore, or the host drive is out of space. Clear up some space on the host if needed, or verify the path is valid.
  • Permissions on the log folder are messed up. If you're on a Linux host, you can fix this with a command like sudo chmod -R 755 /path/to/your/vm/logs (replace the path with your actual log directory).

• Reset VM log files
  Corrupted log files can cause this hang too. First, back up your VM's log files (just in case!), then delete or move them to another folder. When you restart the VM, the system will generate fresh log files automatically. For example, in VirtualBox, logs are usually stored in ~/.config/VirtualBox/Machines/[Your VM Name]/Logs.

• Tweak VM hardware resources
  Sometimes resource conflicts or insufficient allocation can trigger this error. Try adjusting the VM's allocated memory (reduce it a bit then set it back), disable unnecessary virtual hardware (like extra network adapters or virtual cameras), then restart the VM to see if it boots.

• Update virtualization software & guest tools
  Outdated software often causes compatibility bugs. Update your VirtualBox/VMware to the latest version, and make sure the Guest Additions (VirtualBox) or VMware Tools installed in your Ubuntu VM are up to date too. This fixes a lot of host-guest communication issues.

• Repair system boot files
  If none of the above works, your Ubuntu system's boot files might be corrupted. Boot the VM using an Ubuntu installation ISO, enter rescue mode, and use the "Repair a broken system" option to fix grub or check the filesystem integrity. Follow the on-screen prompts to complete the repair.

备注：内容来源于stack exchange，提问作者Mysterious Man