On Tue, 9 Feb 2016, Dâniel Fraga wrote: > I'm using Linux 4.4.1 kernel on a Dell Inspiron 15R 5537 and > everytime I wake up from S3 sleep, the syslog is full of the following > message: > > Feb 9 17:19:05 tux kernel: [19196.253206] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:05 tux kernel: [19196.406206] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:05 tux kernel: [19196.559239] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:06 tux kernel: [19197.738267] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:06 tux kernel: [19197.891218] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:07 tux kernel: [19198.044243] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:07 tux kernel: [19198.198231] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:08 tux kernel: [19199.388295] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:08 tux kernel: [19199.541307] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:08 tux kernel: [19199.694319] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:08 tux kernel: [19199.847338] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > Feb 9 17:19:09 tux kernel: [19201.026362] usb 3-1.6: reset full-speed USB device number 6 using ehci-pci > > And it doesn't stop. The only way to stop it is to reload the ehci-pci kernel module: > > sudo modprobe -r ehci-pci; sudo modprobe ehci-pci > > lsusb returns: > > Bus 003 Device 008: ID 064e:812e Suyin Corp. > Bus 003 Device 007: ID 0bda:0129 Realtek Semiconductor Corp. > Bus 003 Device 006: ID 04f3:0034 Elan Microelectronics Corp. > Bus 003 Device 005: ID 0cf3:0036 Atheros Communications, Inc. > Bus 003 Device 004: ID 1532:0016 Razer USA, Ltd > Bus 003 Device 003: ID 046d:c316 Logitech, Inc. HID-Compliant Keyboard > Bus 003 Device 002: ID 8087:8000 > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 001 Device 006: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000 > Bus 001 Device 005: ID 0424:2228 Standard Microsystems Corp. 9-in-2 Card Reader > Bus 001 Device 004: ID 0424:2602 Standard Microsystems Corp. > Bus 001 Device 003: ID 0424:2512 Standard Microsystems Corp. > Bus 001 Device 007: ID 051d:0002 American Power Conversion Uninterruptible Power Supply > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > So, any hints on what's going on? No idea. Can you collect a usbmon trace for bus 3, starting before the suspend and showing the problems? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
