I can reproduce this problem on 2 different servers Manufacturer: LENOVO Product Name: ThinkServer RD640
and Manufacturer: Huawei Technologies Co., Ltd. Product Name: RH2288H V2-8S Version: V100R002 both have 1G onboard nics -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-utopic in Ubuntu. https://bugs.launchpad.net/bugs/1493753 Title: igb network adapter is frequenly resetted and network disconnected Status in linux-lts-utopic package in Ubuntu: New 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-lts-utopic/+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
