If this problem only occurs after you upgrade kernel, we may be able to identify the regression patch by bisecting kernels if a passing kernel version is shared.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1887564 Title: Laptop XPS13 can't sleep Ubuntu 16.04.6 LTS when USB3 device is/was attached. Status in linux package in Ubuntu: Incomplete Bug description: (Ubuntu 4.4.0-185.215-generic 4.4.224) If I plug a USB3 device on the USB3 port then I can't send the laptop to sleep. (this happens with audio interface UMC404HD and Gbit Ethernet Adapter Trendnet) Instead it cancels the sleep process: Jul 13 10:24:22 xps kernel: [318785.373269] video LNXVIDEO:00: Restoring backlight state Jul 13 10:24:24 xps kernel: [318785.375145] PM: Syncing filesystems ... done. Jul 13 10:24:24 xps kernel: [318785.424201] PM: Preparing system for sleep (freeze) Jul 13 10:24:24 xps kernel: [318785.424337] Freezing user space processes ... (elapsed 0.001 seconds) done. Jul 13 10:24:24 xps kernel: [318785.426132] Freezing remaining freezable tasks ... (elapsed 0.037 seconds) done. Jul 13 10:24:24 xps kernel: [318785.463699] PM: Suspending system (freeze) Jul 13 10:24:24 xps kernel: [318785.463701] Suspending console(s) (use no_console_suspend to debug) Jul 13 10:24:24 xps kernel: [318785.463921] sd 0:0:0:0: [sda] Synchronizing SCSI cache Jul 13 10:24:24 xps kernel: [318785.463971] sd 0:0:0:0: [sda] Stopping disk Jul 13 10:24:24 xps kernel: [318786.150701] dpm_run_callback(): usb_dev_suspend+0x0/0x20 returns -16 Jul 13 10:24:24 xps kernel: [318786.150716] PM: Device usb4 failed to suspend async: error -16 Jul 13 10:24:24 xps kernel: [318786.150831] PM: Some devices failed to suspend, or early wake event detected Jul 13 10:24:24 xps kernel: [318786.166836] sd 0:0:0:0: [sda] Starting disk Jul 13 10:24:24 xps kernel: [318786.254775] rtc_cmos 00:01: System wakeup disabled by ACPI Jul 13 10:24:24 xps kernel: [318786.490641] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) Jul 13 10:24:24 xps kernel: [318786.513275] ata1.00: configured for UDMA/133 Jul 13 10:24:24 xps kernel: [318786.942366] PM: resume of devices complete after 791.556 msecs Jul 13 10:24:24 xps kernel: [318786.942703] PM: Finishing wakeup. Jul 13 10:24:24 xps kernel: [318786.942706] Restarting tasks ... done. Jul 13 10:24:24 xps systemd[1]: systemd-suspend.service: Main process exited, code=exited, status=1/FAILURE Jul 13 10:24:24 xps kernel: [318786.967694] video LNXVIDEO:00: Restoring backlight state To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1887564/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp