Currently using Xubuntu 14.04.2 updated. I have tried all the workarounds (restarting services, scripts, unload module files, etc) and none of them work for me. The issue I experience is related only to wired connection (DSL or Ethernet connections) and *not* with wi-fi. What I found out and what is not mentioned often is that for me the issue only happens when my laptop is on battery power (battery mode). If the laptop is plugged into AC, no issues. Network driver = r8169 (Realtek) Note - wi-fi says disabled, because I disabled it myself. Unlike ethernet, I don't keep the wi-fi always on. Are there any news about this bug ? Reading all the topics here and on Ubuntu forums, ASK Ubuntu, I see it is present for 2-3 years now ? Thanks ! description: Notebook product: SATELLITE C50-A (PSCJGE-*******) vendor: TOSHIBA version: ****** serial: ******* width: 64 bits capabilities: smbios-2.7 dmi-2.7 vsyscall32 configuration: boot=normal chassis=notebook family=Durban 10BT sku=PSCJGE-******** uuid=********** *-core description: Motherboard product: Portable PC vendor: TOSHIBA physical id: 0 version: MP serial: 1 *-firmware description: BIOS vendor: INSYDE Corp. physical id: 0 version: 1.10 date: 12/03/2013 size: 64KiB capacity: 8128KiB capabilities: pci pnp upgrade shadowing cdboot bootselect edd int9keyboard int10video acpi usb smartbattery biosbootspecification netboot *-cpu description: CPU product: Intel(R) Celeron(R) CPU N2820 @ 2.13GHz vendor: Intel Corp. physical id: 4 bus info: cpu@0 version: Intel(R) Celeron(R) CPU N2820 @ 2.13GHz slot: CPU 1 size: 2132MHz capacity: 4GHz width: 64 bits clock: 133MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer rdrand lahf_lm 3dnowprefetch ida arat epb dtherm tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms cpufreq configuration: cores=4 enabledcores=4 threads=1 *-cache:0 description: L1 cache physical id: 8 slot: L1 Cache size: 32KiB capacity: 32KiB capabilities: synchronous internal write-back instruction *-cache:1 description: L2 cache physical id: 9 slot: L2 Cache size: 1MiB capacity: 1MiB capabilities: synchronous internal write-back unified *-cache description: L1 cache physical id: 7 slot: L1 Cache size: 24KiB capacity: 24KiB capabilities: synchronous internal write-back data *-memory description: System Memory physical id: c slot: System board or motherboard size: 4GiB *-bank:0 description: SODIMM DDR3 Synchronous 1066 MHz (0,9 ns) product: M471B5173DB0-YK0 vendor: Samsung physical id: 0 serial: 55107331 slot: DIMM0 size: 4GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:1 description: SODIMM [empty] physical id: 1 slot: DIMM1 *-pci description: Host bridge product: ValleyView SSA-CUnit vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 0c width: 32 bits clock: 33MHz configuration: driver=iosf_mbi_pci resources: irq:0 *-display description: VGA compatible controller product: ValleyView Gen7 vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 0c width: 32 bits clock: 33MHz capabilities: pm msi vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:106 memory:90000000-903fffff memory:80000000-8fffffff ioport:2050(size=8) *-storage description: SATA controller product: ValleyView 6-Port SATA AHCI Controller vendor: Intel Corporation physical id: 13 bus info: pci@0000:00:13.0 version: 0c width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list configuration: driver=ahci latency=0 resources: irq:104 ioport:2048(size=8) ioport:205c(size=4) ioport:2040(size=8) ioport:2058(size=4) ioport:2020(size=32) memory:90917000-909177ff *-usb description: USB controller product: ValleyView USB xHCI Host Controller vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 0c width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:103 memory:90900000-9090ffff *-generic description: Encryption controller product: ValleyView SEC vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 0c width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=mei_txe latency=0 resources: irq:105 memory:90800000-908fffff memory:90700000-907fffff *-multimedia description: Audio device product: ValleyView High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 0c width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:107 memory:90910000-90913fff *-pci:0 description: PCI bridge product: ValleyView PCI Express Root Port vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 0c width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:16 ioport:3000(size=4096) memory:90600000-906fffff *-network DISABLED description: Wireless interface product: QCA9565 / AR9565 Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:01:00.0 logical name: wlan0 version: 01 serial: 28:e3:47:b8:f6:c1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.16.0-43-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:16 memory:90600000-9067ffff memory:90680000-9068ffff *-pci:1 description: PCI bridge product: ValleyView PCI Express Root Port vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 0c width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:17 ioport:1000(size=4096) memory:90500000-905fffff ioport:90400000(size=1048576) *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: 07 serial: 00:0a:0b:13:05:18 size: 100Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:108 ioport:1000(size=256) memory:90500000-90500fff memory:90400000-90403fff *-pci:2 description: PCI bridge product: ValleyView PCI Express Root Port vendor: Intel Corporation physical id: 1c.2 bus info: pci@0000:00:1c.2 version: 0c width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode cap_list configuration: driver=pcieport resources: irq:18 ioport:4000(size=4096) *-pci:3 description: PCI bridge product: ValleyView PCI Express Root Port vendor: Intel Corporation physical id: 1c.3 bus info: pci@0000:00:1c.3 version: 0c width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode cap_list configuration: driver=pcieport resources: irq:19 ioport:5000(size=4096) *-isa description: ISA bridge product: ValleyView Power Control Unit vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 0c width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: driver=lpc_ich latency=0 resources: irq:0 *-serial UNCLAIMED description: SMBus product: ValleyView SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 0c width: 32 bits clock: 33MHz capabilities: pm cap_list configuration: latency=0 resources: memory:90914000-9091401f ioport:2000(size=32) *-scsi:0 physical id: 1 logical name: scsi0 capabilities: emulated *-disk description: ATA Disk product: TOSHIBA MQ01ABF0 vendor: Toshiba physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 3M serial: 14F8CQW8T size: 465GiB (500GB) capabilities: gpt-1.00 partitioned partitioned:gpt configuration: ansiversion=5 guid=47e9d108-1aa1-4d76-afa9-0f8833859a56 sectorsize=512 *-volume:0 description: Windows FAT volume vendor: mkfs.fat physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 logical name: /boot/efi version: FAT32 serial: d1be-1394 size: 510MiB capacity: 511MiB capabilities: boot fat initialized configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro state=mounted *-volume:1 description: EXT4 volume vendor: Linux physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 logical name: / version: 1.0 serial: b738d869-b6b2-40b6-8d4a-bab3132800c0 size: 461GiB capabilities: journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized configuration: created=2015-07-14 21:10:01 filesystem=ext4 lastmountpoint=/ modified=2015-07-20 13:07:10 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2015-07-20 13:07:10 state=mounted *-volume:2 description: swap partition vendor: Linux physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 serial: 6308c862-65fb-4ef0-badd-82b336f4556e capacity: 3978MiB capabilities: nofs *-scsi:1 physical id: 2 logical name: scsi1 capabilities: emulated *-cdrom description: DVD-RAM writer product: DVD-RAM UJ8E2 vendor: MATSHITA physical id: 0.0.0 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/sr0 version: 1.00 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc