I'm also experiencing the same issue, on an ASRock Deskmini X600/USB4 (updated to the latest BIOS), with a Ryzen 7 8700G and Radeon 780M graphics.
I'm not sure what the exact root of this issue is, but I've been experimenting with memory overclocking and some configurations seem to significantly worsen the stuttering (this is on an APU): - Increasing VDDIO and VDDQ *really* increased the length and frequency of the stutters, for whatever reason - Changing VDDP, VDDG SOC or VDDG IOD did pretty much nothing - Adding `pcie_aspm=off nvme_core.default_ps_max_latency_us=0 pcie_port_pm=off` to my GRUB arguments made everything substantially more stable, and fixed an issue where some stutters would just crash the system entirely (with no debug logs) However, regardless of any memory overclock (this happens at stock settings as well), I always see a *massive* spike in GPU voltage whenever the stutters happen, to far beyond the normal voltage range (usually around 1360 to 1400 mV), which does seriously worry me (I haven't set up mangohud to display CPU voltage yet, so I can't see if it happens there as well, but when looking at it through turbostat, it does seem to also draw a huge amount of power for a split second (usually 10-20 W beyond the PPT limit)) I know this isn't an overclocking forum, but I do hope these findings can help - I have no idea whether these are a *side effect* or a *cause* of the stutters (especially since the Deskmini has a really limited power supply), but it could be worth looking into -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2149877 Title: Intermittent micro‑stutters affecting mouse and audio after updating to Linux 7.0.0‑14‑generic on AMD system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2149877/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
