On Sun, May 08, 2016 at 02:54:29PM +0200, Daniel Duris wrote: > Every few seconds or minutes intermittent eth0 disconnection occurs (via USB adapter DA200 on Dell XPS computer): > > [ 7745.623668] usb 4-1.4: usb_reset_and_verify_device Failed to disable LTM > . > [ 7745.626674] usb 4-1.4: USB disconnect, device number 10 > [ 7746.656564] usb 4-1.4: new SuperSpeed USB device number 11 using xhci_hcd > [ 7746.673199] usb 4-1.4: New USB device found, idVendor=0bda, idProduct=8153 > [ 7746.673212] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=6 > [ 7746.673220] usb 4-1.4: Product: USB 10/100/1000 LAN > [ 7746.673225] usb 4-1.4: Manufacturer: Realtek > [ 7746.673231] usb 4-1.4: SerialNumber: 0000BA000000 > [ 7746.756934] usb 4-1.4: reset SuperSpeed USB device number 11 using xhci_hcd > [ 7746.810066] r8152 4-1.4:1.0 eth0: v1.08.3 > [ 7748.395902] r8152 4-1.4:1.0 enx00249b17d689: renamed from eth0 > [ 7748.425032] IPv6: ADDRCONF(NETDEV_UP): enx00249b17d689: link is not ready > [ 7748.472777] IPv6: ADDRCONF(NETDEV_UP): enx00249b17d689: link is not ready > [ 7751.025643] IPv6: ADDRCONF(NETDEV_CHANGE): enx00249b17d689: link becomes ready > > Connection is reestablished after short time, but this happens regularly and without any obvious reason. > > ~$ lsusb > Bus 004 Device 021: ID 0bda:8153 Realtek Semiconductor Corp. > Bus 004 Device 002: ID 05e3:0617 Genesys Logic, Inc. > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 003 Device 004: ID 0835:2a01 Action Star Enterprise Co., Ltd > Bus 003 Device 006: ID 04ca:0022 Lite-On Technology Corp. > Bus 003 Device 005: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for Bluetooth > Bus 003 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub > Bus 003 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub > 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 004: ID 0bda:5682 Realtek Semiconductor Corp. > Bus 001 Device 003: ID 04f3:20d0 Elan Microelectronics Corp. > Bus 001 Device 002: ID 0a5c:6412 Broadcom Corp. > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > > $ lspci > 00:00.0 Host bridge: Intel Corporation Sky Lake Host Bridge/DRAM Registers (rev 08) > 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07) > 00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08) > 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) > 00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21) > 00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller (rev 21) > 00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller (rev 21) > 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21) > 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) > 00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1) > 00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1) > 00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1) > 00:1d.0 PCI bridge: Intel Corporation Device 9d18 (rev f1) > 00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21) > 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21) > 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) > 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21) > 01:00.0 PCI bridge: Intel Corporation Device 1576 > 02:00.0 PCI bridge: Intel Corporation Device 1576 > 02:01.0 PCI bridge: Intel Corporation Device 1576 > 02:02.0 PCI bridge: Intel Corporation Device 1576 > 39:00.0 USB controller: Intel Corporation Device 15b5 > 3a:00.0 Network controller: Broadcom Corporation BCM4350 802.11ac Wireless Network Adapter (rev 08) > 3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01) > 3c:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller (rev 01) > > Occurence of events (randomly taken from the dmesg log, but there plenty more occurences): > [8633.975439] usb 4-1.4: usb_reset_and_verify_device Failed to disable LTM > [9341.314307] usb 4-1.4: usb_reset_and_verify_device Failed to disable LTM > [9389.611835] usb 4-1.4: usb_reset_and_verify_device Failed to disable LTM > [9619.560212] usb 4-1.4: usb_reset_and_verify_device Failed to disable LTM What kernel version is this? thanks, greg k-h -- 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
