Are the VMware guest additions working in 25.10 yet? You usually need that to get decent performance. Without it, the virtual GPU will be absent and Mesa will revert to simulating a GPU by using all the CPU cores. That's likely to make audio unusable even if there's nothing wrong with audio.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2127250 Title: Severe Performance Lag on 25.10 Live CD in VirtualBox and VMware Workstation on Windows 11 hosts Status in linux package in Ubuntu: New Bug description: Currently in 25.10 there is so much audio stuttering that it makes using Orca completely unusable. I was setting up a VM for testing 25.10 and noticed this in both Virtual Box and VM Ware. I thought this was odd so I created vms for 24.04 on both platforms as well. In 24.04 there is essentially no stuttering and Orca is usable. In 25.10, however, you can't really understand anything Orca is saying as it is far too choppy. I'm mainly testing the installer but it does also seem like this is happening on the actual desktop as well. I'm running my VMs on Windows 11 and dedicating 16gb of ram and 4 cores with 2 threads each to each VM. I'm happy to provide a video or anything else that can help narrow down where this issue is coming from. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2127250/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

