Same issue here with a similar i915 resume failure signature: - Lenovo ThinkPad T1g Gen 8 / 21TD0014US - BIOS: N4EET18W (1.04), dated 2025-08-21 - Distro: Arch Linux / Omarchy - Kernel: 7.0.7-arch2-1 - Suspend mode: s2idle only (/sys/power/mem_sleep shows [s2idle]) - iGPU: Intel i915, reported as meteorlake (device ID 7d51) - Internal panel: eDP-1 - dGPU: NVIDIA RTX 5060 Max-Q/Mobile, nvidia-open-dkms / nvidia-utils 595.71.05 - Kernel cmdline includes: i915.enable_psr=0
Behavior/regression: - Started after upgrade from Linux 6.19.14.arch1-1 to 7.0.x. - I had many successful s2idle suspend/resume cycles on 6.19.14. - Reproduced on 7.0.3, 7.0.5, and 7.0.7. - After lid-open/resume, the system often appears stuck and requires a hard power cycle. - Logs show systemd does return from suspend: System returned from sleep operation 'suspend'. - Immediately after that, i915 reports internal display/eDP failures. Representative log errors from a failed resume: ``` i915 0000:00:02.0: [drm] *ERROR* Failed to bring PHY A to idle. i915 0000:00:02.0: [drm] *ERROR* PHY A Read 0c70 failed after 3 retries. i915 0000:00:02.0: [drm] *ERROR* PHY A Write 0c70 failed after 3 retries. i915 0000:00:02.0: [drm] *ERROR* Timeout waiting for DDI BUF A to get active i915 0000:00:02.0: [drm] *ERROR* Timed out waiting for DP idle patterns i915 0000:00:02.0: [drm] *ERROR* [CRTC:149:pipe A] flip_done timed out i915 0000:00:02.0: [drm] *ERROR* [CONNECTOR:506:eDP-1] commit wait timed out ``` Also seeing C10/DPLL mismatch on resume: ``` expected c10pll_hw_state: clock: 540000 found c10pll_hw_state: clock: 61440 expected port_clock: 540000 found port_clock: 61440 ``` This looks like the same i915 PHY A / DDI BUF A / C10 DPLL state-restore issue on s2idle resume, not a keyboard wake or desktop locker issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2150605 Title: `i915 Arrow Lake-S: PHY A / C10 DPLL state mismatch on resume from long s2idle dwell — slow wake (5-10s) with retry storm` To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2150605/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
