Public bug reported:
On Linux Mint 22.2 Zara (based on Ubuntu 24.04 Noble) with Cinnamon desktop, I
experience periodic micro-stutters every 2-3 seconds. This makes the UI feel
choppy: jerky scrolling, uneven loading icons in Nemo/browser, slight typing
delays, and minor stuttering in YouTube/VLC videos (worse during screen
interactions or refreshes).
Hardware: Lenovo IdeaPad 3 14ARE05, AMD Ryzen 3 4300U with Radeon Vega 6
(Renoir) iGPU, driver amdgpu.
The issue appeared on kernel series 6.14 (e.g., 6.14.0-37-generic) even after
trying Kisak Mesa PPA upgrade. Downgrading to kernel 6.11.0-29-generic resolved
it completely (smooth for hours of testing).
Steps tried without success on 6.14:
Removed all refreshing applets/desklets
Disabled all window/desktop effects
Restarted Cinnamon
Monitored with htop/iotop (no obvious spikes)
Upgraded Mesa via Kisak PPA
No issues on older kernel 6.11, suggesting a regression in amdgpu driver
or compositing (Muffin) in kernel 6.14 for Renoir iGPUs.
System Info:
System:
Kernel: 6.11.0-29-generic arch: x86_64 bits: 64 compiler: gcc v: 13.3.0
Desktop: Cinnamon v: 6.4.8 Distro: Linux Mint 22.2 Zara
base: Ubuntu 24.04 noble
Machine:
Type: Laptop System: LENOVO product: 81W3 v: IdeaPad 3 14ARE05
serial: <superuser required>
Mobo: LENOVO model: LNVNB161216 v: SDK0Q55726WIN
serial: <superuser required> UEFI: LENOVO v: DZCN47WW date: 12/07/2022
Battery:
ID-1: BAT0 charge: 9.3 Wh (56.0%) condition: 16.6/35.0 Wh (47.3%) volts: 7.6
min: 7.6 model: LGC L16L2PB3 status: not charging
CPU:
Info: quad core model: AMD Ryzen 3 4300U with Radeon Graphics bits: 64
type: MCP arch: Zen 2 rev: 1 cache: L1: 256 KiB L2: 2 MiB L3: 4 MiB
Speed (MHz): avg: 1398 high: 1400 min/max: 1400/2700 boost: enabled cores:
1: 1400 2: 1397 3: 1400 4: 1397 bogomips: 21559
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
Device-1: AMD Renoir [Radeon RX Vega 6 ] vendor: Lenovo driver: amdgpu
v: kernel arch: GCN-5 bus-ID: 03:00.0 temp: 40.0 C
Device-2: IMC Networks Integrated Camera driver: uvcvideo type: USB
bus-ID: 1-3:3
Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 24.1.6 driver: X:
loaded: amdgpu unloaded: fbdev,modesetting,vesa dri: radeonsi gpu: amdgpu
resolution: 1920x1080~60Hz
API: EGL v: 1.5 drivers: kms_swrast,radeonsi,swrast platforms:
active: gbm,x11,surfaceless,device inactive: wayland
API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: PPA glx-v: 1.4
direct-render: yes renderer: AMD Radeon Graphics (radeonsi renoir ACO DRM
3.61 6.11.0-29-generic)
Audio:
Device-1: AMD Renoir Radeon High Definition Audio vendor: Lenovo
driver: snd_hda_intel v: kernel bus-ID: 03:00.1
Device-2: AMD ACP/ACP3X/ACP6x Audio Coprocessor vendor: Lenovo driver: N/A
bus-ID: 03:00.5
Device-3: AMD Family 17h/19h HD Audio vendor: Lenovo driver: snd_hda_intel
v: kernel bus-ID: 03:00.6
API: ALSA v: k6.11.0-29-generic status: kernel-api
Server-1: PipeWire v: 1.0.5 status: active
Network:
Device-1: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter
vendor: Lenovo driver: ath10k_pci v: kernel bus-ID: 01:00.0 temp: 54.0 C
IF: wlp1s0 state: up mac: <filter>
IF-ID-1: br-940ad508cd45 state: down mac: <filter>
IF-ID-2: docker0 state: up speed: 10000 Mbps duplex: unknown mac: <filter>
IF-ID-3: veth045c3fb state: up speed: 10000 Mbps duplex: full
mac: <filter>
IF-ID-4: veth2daea99 state: up speed: 10000 Mbps duplex: full
mac: <filter>
Bluetooth:
Device-1: Qualcomm Atheros QCA61x4 Bluetooth 4.0 driver: btusb v: 0.8
type: USB bus-ID: 3-3:2
Report: hciconfig ID: hci0 rfk-id: 2 state: down
bt-service: enabled,running rfk-block: hardware: no software: yes
address: <filter>
Drives:
Local Storage: total: 953.88 GiB used: 199.41 GiB (20.9%)
ID-1: /dev/nvme0n1 vendor: SK Hynix model: HFM512GDHTNI-87A0B
size: 476.94 GiB temp: 34.9 C
ID-2: /dev/sda vendor: TeamGroup model: T253512GB size: 476.94 GiB
Partition:
ID-1: / size: 467.91 GiB used: 35.31 GiB (7.5%) fs: ext4 dev: /dev/nvme0n1p2
ID-2: /boot/efi size: 486 MiB used: 6.1 MiB (1.3%) fs: vfat
dev: /dev/nvme0n1p1
ID-3: /home size: 468.38 GiB used: 164.09 GiB (35.0%) fs: ext4
dev: /dev/sda1
Swap:
ID-1: swap-1 type: zram size: 4.79 GiB used: 0 KiB (0.0%) dev: /dev/zram0
Sensors:
System Temperatures: cpu: 49.9 C mobo: N/A gpu: amdgpu temp: 42.0 C
Fan Speeds (rpm): N/A
Info:
Memory: total: 12 GiB note: est. available: 9.58 GiB used: 4 GiB (41.7%)
Processes: 307 Uptime: 32m Init: systemd target: graphical (5)
Packages: 2863 Compilers: gcc: 13.3.0 Shell: Zsh v: 5.9 inxi: 3.3.34
To reproduce: Boot with kernel 6.14 series, use desktop normally
(scroll, watch video, drag windows).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2137080
Title:
Periodic micro-stutter every 2-3 seconds in Cinnamon on AMD Renoir
(Ryzen 3 4300U + Vega 6) with kernel 6.14 series
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