![]() ![]() ![]() Once I have the time, I may experiment a bit. I wonder if this change only could be the only one needed. The last action was to start Gnome not with xorg but with Wayland.ĭo not ask me to explain the details between Wayland and xorg, but using it (you select the one you want on the login screen) resulted in a generally very snappy desktop. ![]() In my case, the less trusted code is running in a virtual machine, it means the code could use side channel attacks to gain knowledge of the main host software, but this is acceptable for my workload. This is not recommended if you run untrusted code on your system. You now have an unsecure system with respect to the Spectre class of attacks (and some more), but in my case a bit more usable system. Very simple, edit as administrator the file /etc/default/grub. My next laptop will not run with an Intel CPU. I disabled them to regain a normally efficient laptop. Removing MitigationsĪt the end, I remembered that with the newer kernels, the mitigations against all the security issues in the Intel CPU were enabled by default. Note that the latest point release of VMware Workstation solved this issue. It looks like VMWare Workstation 16 has issues with the 3D acceleration (I have an Intel integrated GPU on my laptop). To solve this issue, I had to try so many things that I cannot be sure which one really helped or if this is a combination of all of them which at the end restored correct performance for the system. This is why I take my time before I upgrade.Īt the end, the upgrade was a good thing, except for one thing.Įven if I upgraded VMWare Workstation from 15 to 16, it was slow like hell. I am very conservative in my base operating system, this is my work horse, I cannot allow myself to lose data or work with a broken system. Last year, I upgraded from Ubuntu 18.04 to 20.04. This ensures that I am not leaking information between my customers and allows me to have just the right software stack installed for each of them. For each customer requiring some work to be done on a Windows system, I am running a virtual machine. ![]()
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