gustavo panizzo, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1493753
** Package changed: linux-lts-trusty (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1493753 Title: igb network adapter is frequenly reset and network disconnected Status in linux package in Ubuntu: Incomplete Bug description: I have many logs like this in the dmesg [613988.897691] igb 0000:01:00.0: Detected Tx Unit Hang [613988.897691] Tx Queue <0> [613988.897691] TDH <8> [613988.897691] TDT <8> [613988.897691] next_to_use <a> [613988.897691] next_to_clean <8> [613988.897691] buffer_info[next_to_clean] [613988.897691] time_stamp <10923375a> [613988.897691] next_to_watch <ffff8810243b5090> [613988.897691] jiffies <109233e5a> [613988.897691] desc.status <a98200> [613990.899206] igb 0000:01:00.0: Detected Tx Unit Hang [613990.899206] Tx Queue <0> [613990.899206] TDH <8> [613990.899206] TDT <8> [613990.899206] next_to_use <a> [613990.899206] next_to_clean <8> [613990.899206] buffer_info[next_to_clean] [613990.899206] time_stamp <10923375a> [613990.899206] next_to_watch <ffff8810243b5090> [613990.899206] jiffies <10923404e> [613990.899206] desc.status <a98200> [613990.907099] igb 0000:01:00.0 eth0: Reset adapter [613991.029348] igb 0000:01:00.0 eth0: igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX if i boot the machine with 3.16.0-38 the problem does not occur ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-48-generic 3.16.0-48.64~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-48.64~14.04.1-generic 3.16.7-ckt15 Uname: Linux 3.16.0-48-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.12 Architecture: amd64 Date: Wed Sep 9 17:04:52 2015 InstallationDate: Installed on 2015-08-27 (13 days ago) InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1493753/+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