here's the bottom of journalctl -b -1 from a boot with "usbcore.dyndbg=+p" that reproduced the issue (let me know if there's a better way to get the kernel log you're looking for):
Apr 10 17:31:18 taplop systemd-sleep[8074]: Suspending system... Apr 10 17:31:18 taplop kernel: PM: suspend entry (deep) Apr 10 17:31:18 taplop kernel: PM: Syncing filesystems ... done. Apr 10 17:31:20 taplop kernel: Freezing user space processes ... (elapsed 0.004 seconds) done. Apr 10 17:31:20 taplop kernel: OOM killer disabled. Apr 10 17:31:20 taplop kernel: Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. Apr 10 17:31:20 taplop kernel: printk: Suspending console(s) (use no_console_suspend to debug) Apr 10 17:31:20 taplop kernel: usb usb2: usb auto-resume Apr 10 17:31:20 taplop kernel: hub 2-0:1.0: hub_resume Apr 10 17:31:20 taplop kernel: hub 2-0:1.0: hub_suspend Apr 10 17:31:20 taplop kernel: usb usb2: bus suspend, wakeup 0 Apr 10 17:31:20 taplop kernel: usb 1-6: usb suspend, wakeup 1 Apr 10 17:31:20 taplop kernel: hub 1-0:1.0: hub_suspend Apr 10 17:31:20 taplop kernel: usb usb1: bus suspend, wakeup 0 Apr 10 17:31:20 taplop kernel: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16 Apr 10 17:31:20 taplop kernel: dpm_run_callback(): pci_pm_suspend+0x0/0x130 returns -16 Apr 10 17:31:20 taplop kernel: PM: Device 0000:00:14.0 failed to suspend async: error -16 Apr 10 17:31:20 taplop kernel: PM: Some devices failed to suspend, or early wake event detected Apr 10 17:31:20 taplop kernel: usb usb1: usb resume Apr 10 17:31:20 taplop kernel: hub 1-0:1.0: hub_resume Apr 10 17:31:20 taplop kernel: usb usb1-port1: status 0507 change 0000 Apr 10 17:31:20 taplop kernel: usb usb1-port6: status 0103 change 0004 Apr 10 17:31:20 taplop kernel: usb usb1-port10: status 0107 change 0000 Apr 10 17:31:20 taplop kernel: usb usb2: usb resume Apr 10 17:31:20 taplop kernel: hub 2-0:1.0: hub_resume Apr 10 17:31:20 taplop kernel: usb 1-6: Waited 0ms for CONNECT Apr 10 17:31:20 taplop kernel: usb 1-6: finish resume Apr 10 17:31:20 taplop kernel: ACPI: button: The lid device is not compliant to SW_LID. Apr 10 17:31:20 taplop kernel: [drm] PCIE GART of 256M enabled (table at 0x000000F400000000). Apr 10 17:31:20 taplop kernel: usb 1-1: usb resume Apr 10 17:31:20 taplop kernel: usb 1-10: usb resume Apr 10 17:31:20 taplop kernel: usb 1-1: Waited 0ms for CONNECT Apr 10 17:31:20 taplop kernel: usb 1-1: finish resume Apr 10 17:31:20 taplop kernel: usb 1-10: Waited 0ms for CONNECT Apr 10 17:31:20 taplop kernel: usb 1-10: finish resume Apr 10 17:31:20 taplop kernel: [drm] UVD and UVD ENC initialized successfully. Apr 10 17:31:20 taplop kernel: nvme nvme0: 8/0/0 default/read/poll queues Apr 10 17:31:20 taplop kernel: [drm] VCE initialized successfully. Apr 10 17:31:20 taplop kernel: OOM killer enabled. Apr 10 17:31:20 taplop kernel: Restarting tasks ... Apr 10 17:31:20 taplop kernel: hub 2-0:1.0: state 7 ports 8 chg 0000 evt 0000 Apr 10 17:31:20 taplop kernel: hub 1-0:1.0: state 7 ports 16 chg 0040 evt 0402 Apr 10 17:31:20 taplop kernel: usb usb1-port6: status 0103, change 0000, 12 Mb/s Apr 10 17:31:20 taplop kernel: hub 2-0:1.0: hub_suspend Apr 10 17:31:20 taplop kernel: usb usb2: bus auto-suspend, wakeup 1 Apr 10 17:31:20 taplop kernel: done. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1823029 Title: [Dell XPS 15 9575] Occasionally fails to suspend and locks up instead To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1823029/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
