Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.10 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc6 ** 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/1660146 Title: Warning: failed to disable LRO Status in linux package in Ubuntu: Incomplete Bug description: The following warning is printed when bringing up network interfaces. It seems to have no effect on system operation. [ 17.731877] 8021q: adding VLAN 0 to HW filter on device eth3 [ 17.732141] bonding: bond0: enslaving eth3 as a backup interface with a down link. [ 17.751594] device bond0.42 entered promiscuous mode [ 17.753413] ------------[ cut here ]------------ [ 17.753422] WARNING: CPU: 2 PID: 1728 at /build/linux-Mxzr_W/linux-3.13.0/net/core/dev.c:1433 dev_disable_lro+0x87/0x90() [ 17.753423] netdevice: bond0.42 [ 17.753423] failed to disable LRO! [ 17.753425] Modules linked in: 8021q garp mrp ipmi_devintf xfs libcrc32c bonding bridge stp llc dcdbas kvm_amd kvm dm_multipath scsi_dh amd64_edac_mod serio_raw k10temp edac_core snd_usb_audio edac_mce_amd snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq_device snd_pcm snd_page_alloc snd_timer snd soundcore joydev gspca_sonixj gspca_main radeon videodev ipmi_si floppy(+) ttm drm_kms_helper drm mac_hid i2c_algo_bit shpchp i2c_piix4 ses enclosure hpsa hid_generic usbhid hid qla2xxx bnx2 megaraid_sas e1000e scsi_transport_fc psmouse ptp cciss scsi_tgt pps_core sata_svw [ 17.753464] CPU: 2 PID: 1728 Comm: brctl Not tainted 3.13.0-85-generic #129-Ubuntu [ 17.753466] Hardware name: Dell Inc. PowerEdge 2970/0Y436H, BIOS 4.2.1 04/14/2010 [ 17.753467] 0000000000000000 ffff880425943c70 ffffffff8172b6a7 ffff880425943cb8 [ 17.753471] 0000000000000009 ffff880425943ca8 ffffffff810699cd ffff880427d37000 [ 17.753473] ffff880427c02880 ffff880427d37000 0000000000000000 ffff880425cd7d40 [ 17.753476] Call Trace: [ 17.753482] [<ffffffff8172b6a7>] dump_stack+0x64/0x82 [ 17.753487] [<ffffffff810699cd>] warn_slowpath_common+0x7d/0xa0 [ 17.753489] [<ffffffff81069a3c>] warn_slowpath_fmt+0x4c/0x50 [ 17.753491] [<ffffffff81631f77>] dev_disable_lro+0x87/0x90 [ 17.753500] [<ffffffffa05c11b3>] br_add_if+0x1f3/0x430 [bridge] [ 17.753505] [<ffffffffa05c1c0d>] add_del_if+0x5d/0x90 [bridge] [ 17.753510] [<ffffffffa05c24fb>] br_dev_ioctl+0x5b/0x90 [bridge] [ 17.753513] [<ffffffff816439f3>] dev_ifsioc+0x313/0x360 [ 17.753517] [<ffffffff8162b749>] ? dev_get_by_name_rcu+0x69/0x90 [ 17.753519] [<ffffffff81643b25>] dev_ioctl+0xe5/0x5b0 [ 17.753523] [<ffffffff811dd20b>] ? evict+0x11b/0x1b0 [ 17.753526] [<ffffffff816127a5>] sock_do_ioctl+0x45/0x50 [ 17.753528] [<ffffffff81612cd0>] sock_ioctl+0x1f0/0x2c0 [ 17.753530] [<ffffffff811d5050>] do_vfs_ioctl+0x2e0/0x4c0 [ 17.753534] [<ffffffff811c379e>] ? ____fput+0xe/0x10 [ 17.753537] [<ffffffff8108ac51>] ? task_work_run+0xb1/0xd0 [ 17.753539] [<ffffffff811d52b1>] SyS_ioctl+0x81/0xa0 [ 17.753542] [<ffffffff8173c39d>] system_call_fastpath+0x1a/0x1f [ 17.753544] ---[ end trace 20d17e724d7c2871 ]--- ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-85-generic 3.13.0-85.129 ProcVersionSignature: Ubuntu 3.13.0-85.129-generic 3.13.11-ckt36 Uname: Linux 3.13.0-85-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Aug 15 00:01 seq crw-rw---- 1 root audio 116, 33 Aug 15 00:01 timer AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-85-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sun Jan 29 15:40:46 2017 HibernationDevice: RESUME=UUID=99cc685a-4300-462b-a2b5-07757d70dc71 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: Dell Inc. PowerEdge 2970 PciMultimedia: ProcEnviron: TERM=screen PATH=(custom, no user) LANG=en_US.UTF-8 LANGUAGE=en_US:en SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-85-generic root=UUID=cd62ebf0-580a-417b-b167-bba9126b89c0 ro splash quiet vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-85-generic N/A linux-backports-modules-3.13.0-85-generic N/A linux-firmware 1.127.22 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2015-01-26 (733 days ago) dmi.bios.date: 04/14/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: 4.2.1 dmi.board.name: 0Y436H dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr4.2.1:bd04/14/2010:svnDellInc.:pnPowerEdge2970:pvr:rvnDellInc.:rn0Y436H:rvrA03:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge 2970 dmi.sys.vendor: Dell Inc. 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