id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 15845,e1000 Detected Tx Unit Hang,LordChaos,,"Hi, My Arch Linux desktop (client) is sometimes hanging, seems like the kernel module is detecting a disconnection: aug 22 11:25:07 virtwin nm-dispatcher[4102]: req:1 'dhcp4-change' [enp0s3]: new request (0 scripts) aug 22 11:25:07 virtwin nm-dispatcher[4102]: req:1 'dhcp4-change' [enp0s3]: completed: no scripts aug 22 11:25:08 virtwin chromium.desktop[1507]: [1507:1530:0822/112508:ERROR:connection_factory_impl.cc(369)] Failed aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.2914] device (enp0s3): link disconnected (deferring aug 22 11:25:38 virtwin kernel: e1000 0000:00:03.0 enp0s3: Reset adapter aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3570] device (enp0s3): link connected aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3571] device (enp0s3): DHCPv4 lease renewal requeste aug 22 11:25:38 virtwin kernel: e1000: enp0s3 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3753] dhcp4 (enp0s3): canceled DHCP transaction, DHC aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3753] dhcp4 (enp0s3): state changed bound -> done aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3760] dhcp4 (enp0s3): activation: beginning transact aug 22 11:25:38 virtwin NetworkManager[271]: [1471857938.3783] dhcp4 (enp0s3): dhclient started with pid 4117 aug 22 11:25:38 virtwin dhclient[4117]: DHCPREQUEST on enp0s3 to 255.255.255.255 port 67 aug 22 11:25:41 virtwin kernel: e1000 0000:00:03.0 enp0s3: Detected Tx Unit Hang Tx Queue <0> TDH <1> TDT <9> next_to_use <9> next_to_clean <2> buffer_info[next_to_clean] time_stamp <10012adce> next_to_watch <2> jiffies <10012b100> next_to_watch.status <0> I must admit I do all my work in this virtual machine, but I can't recall to have seen disconnects in Windows (the host). Guest OS: Arch Linux Kernel: 4.7.1-1-ARCH",defect,new,network,VirtualBox 5.1.2,,,,Linux,Windows