I didn’t have to do any tinkering to get the controller to work. Sign up or log in Sign up using Google. This simply locks up the system. On a modern ESXi 5. What can we do to improve this information?

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English Japanese Chinese Simplified. Seems like Debian 9 isn’t very stable. Thank you very much. So pay attention to controlling that you have select Vebian or Debian xxx xxx. When you select Debian or Ubuntu as Operating System during the creation of virtual machines the wizard automatically selects E as virtual network adapter.

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I understand what you’re saying about testing in general. Doing so will cause the machine to completely lock up. This article did not resolve my issue.

I have tools version 9. The Flexible network adapter identifies itself as a Dehian adapter when a virtual machine boots, but initializes itself and functions as either a Vlance or a VMXNET adapter, depending on which driver initializes it.


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Issues with Controller on Debian 9 – Hard Lockup. Thank’s for this post.

Issues with Controller on Debian 9 – (Hard Lockup)

Ed Grigson January 7, at This can be done by connection the the ESXi host with SSH or by simply downloading, changing and vmxent3 the configuration file. You can change the version, but only when the VM is stopped. To check the required kernel module type ” modprobe vmxnet3 “. To get better network performance it is a best practice to change this to vmxnet3. Home Questions Tags Users Unanswered.

VMXNET3 performance on Linux on ESX – Server Fault

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The VMware results posted above were without any modifications to sysctl. We use cookies for advertising, social media and analytics purposes.

This is known as the “ee” vNIC.

Poor TCP performance might occur in Linux virtual machines with LRO enabled ()

If you experience low performance with the para-virtualized network drivers, verify the setting for the GSO and TSO features on the host system.


We had a outage when in we changed the Network card type by the method you described in “Change the Adapter Type inside the vSphere Client”. Upgrading from ESX 2.

When you use the vSphere client to remove and add a new adapter you get a new MAC-Address and thus the server will boot without active network adapters. Read about how we use cookies and how you can control them here. The feature is supported starting with ESXi 5. The performance does seem to get better with newer revisions, but what you are seeing is probably accurate for that vintage.

Learn how your comment data is processed. In contrast, VMXNET adapters are not upgraded automatically because most Linux guest operating system versions do not reliably preserve network settings when a network adapter is replaced. Top 10 Posts of Virten.