I temporarily did the following: apt purge linix-image-5.15.0-47-generic linux-image-unsigned-5.15.0-47-generic Until I tried booting the host (not the guest) with the previous kernel version and all problems disappeared. I lost almost a day trying all kinds of things, trying to find a reliable pattern to reproduce it or browser-settings to prevent it. I have updated the NUC's Bios settings to set the Thunderbolt security level to legacy.Yes, same here, except that I am using a Kubuntu guest on a Kubuntu host. I'd like to get the latest kernel working in order to see if I still have dropped frames.ĭeckLink cards & Sonnet Echo are not guilty, I have a 16.04 PC running kernel 4.15.0 which works fine. I've tried at least 5.4, 5.8, 5.11, 5.15 & 5.16.īut even with 5.3.18, I have a lot of dropped frames (in MediaExpress as well as in ffplay & ffmpeg h265 encoding). On kernels >= 5.4.0 I have the behavior described above. I tried multiple kernels and found that the last more or less working is 5.3.18. The installation runs fine, but plugging the Sonnet Echo makes the system unreliable: I can't boot if I plug the cable before starting the PC, I can't shutdown if I plug the cable once the PC is on, and I can't start MediaExpress. With this setup, DesktopVideo does not work. I installed the latest Ubuntu 21.04, wich comes with Linux kernel 5.11.0-16-generic, that apt updated to 5.11.0-49-generic. 2 * DeckLink 8K Pro + 1 * DeckLink Quad 2 Intel NUC Enthusiast NUC11PHKi7CAA (Intel Core i7-1165G7, NVidia RTX 2060, 64GB RAM & Thunderbolt 4)
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