Lorsque je suspends mon Dell XPS 13 9379, NetworkManager
le réveille immédiatement si ma souris bluetooth n'est pas connectée :
# journalctl -ex
...
systemd-logind[653]: Operation 'sleep' finished.
NetworkManager[650]: <info> [1541032616.6736] manager: sleep: wake requested (sleeping: yes enabled: yes)
NetworkManager[650]: <info> [1541032616.6739] device (enxa0cec8126450): state change: unavailable -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')
NetworkManager[650]: <info> [1541032616.7017] device (enxa0cec8126450): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'managed')
...
Comment puis-je empêcher Bluetooth de réveiller mon ordinateur ?
Apparemment, Bluetooth n'est pas pertinent ou n'est pas la seule source du problème, car ma machine s'est réveillée (ou plutôt, ne s'est pas endormie) avec Bluetooth désactivé. D'après les journaux que j'ai trouvés cette fois, ma 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
à blâmer :
kernel: PM: suspend entry (s2idle)
kernel: PM: Syncing filesystems ... done.
kernel: Freezing user space processes ... (elapsed 0.004 seconds) done.
kernel: OOM killer disabled.
kernel: Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
kernel: Suspending console(s) (use no_console_suspend to debug)
kernel: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
kernel: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -16
kernel: PM: Device 0000:00:14.0 failed to suspend async: error -16
kernel: PM: Some devices failed to suspend, or early wake event detected
kernel: rtc_cmos 00:01: Alarms can be up to one month in the future
kernel: OOM killer enabled.
kernel: Restarting tasks ... done.
kernel: [drm] RC6 on
kernel: thermal thermal_zone8: failed to read out thermal zone (-61)
kernel: PM: suspend exit
kernel: PM: suspend entry (s2idle)
kernel: PM: Syncing filesystems ... done.
kernel: Freezing user space processes ... (elapsed 0.002 seconds) done.
kernel: OOM killer disabled.
kernel: Freezing remaining freezable tasks ... (elapsed 0.056 seconds) done.
kernel: Suspending console(s) (use no_console_suspend to debug)
kernel: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
kernel: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -16
kernel: PM: Device 0000:00:14.0 failed to suspend async: error -16
kernel: PM: Some devices failed to suspend, or early wake event detected
kernel: rtc_cmos 00:01: Alarms can be up to one month in the future
kernel: OOM killer enabled.
kernel: Restarting tasks ... done.
kernel: [drm] RC6 on
kernel: thermal thermal_zone8: failed to read out thermal zone (-61)
systemd[1]: systemd-suspend.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: systemd-suspend.service: Failed with result 'exit-code'.
systemd[1]: Failed to start Suspend.