Comment 10 for bug 1614953

I haven't tried recently as I disabled IPv6 on my machine.

On 26 January 2017 at 16:31, Joseph Salisbury <
<email address hidden>> wrote:

> Does this bug still happen with the latest Xenial updates?
>
> ** Changed in: linux (Ubuntu)
> Status: In Progress => Incomplete
>
> ** Changed in: linux (Ubuntu Xenial)
> Status: In Progress => Incomplete
>
> ** Changed in: linux (Ubuntu Yakkety)
> Status: In Progress => Incomplete
>
> ** Changed in: linux (Ubuntu)
> Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
>
> ** Changed in: linux (Ubuntu Xenial)
> Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
>
> ** Changed in: linux (Ubuntu Yakkety)
> Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1614953
>
> Title:
> hw csum failure when IPv6 interfaces configured in
> netdev_rx_csum_fault+0x38/0x40
>
> Status in linux package in Ubuntu:
> Incomplete
> Status in linux source package in Xenial:
> Incomplete
> Status in linux source package in Yakkety:
> Incomplete
>
> Bug description:
> Since I started using IPv6 I noticed the following kernel error:
>
> Thu Aug 18 15:05:01 2016] <unknown>: hw csum failure
> [Thu Aug 18 15:05:01 2016] CPU: 5 PID: 11086 Comm: Chrome_IOThread
> Tainted: P OE 4.4.0-34-generic #53-Ubuntu
> [Thu Aug 18 15:05:01 2016] Hardware name: Gigabyte Technology Co., Ltd.
> To be filled by O.E.M./Z77-D3H, BIOS F22 11/14/2013
> [Thu Aug 18 15:05:01 2016] 0000000000000286 00000000c05989f2
> ffff8807573dfcd0 ffffffff813f11b3
> [Thu Aug 18 15:05:01 2016] 0000000000000000 0000000000000008
> ffff8807573dfce8 ffffffff8171f6e8
> [Thu Aug 18 15:05:01 2016] 0000000000000074 ffff8807573dfd30
> ffffffff8171639b 00000000fe091360
> [Thu Aug 18 15:05:01 2016] Call Trace:
> [Thu Aug 18 15:05:01 2016] [<ffffffff813f11b3>] dump_stack+0x63/0x90
> [Thu Aug 18 15:05:01 2016] [<ffffffff8171f6e8>]
> netdev_rx_csum_fault+0x38/0x40
> [Thu Aug 18 15:05:01 2016] [<ffffffff8171639b>]
> skb_copy_and_csum_datagram_msg+0xeb/0x100
> [Thu Aug 18 15:05:01 2016] [<ffffffff817ec0b3>]
> udpv6_recvmsg+0x233/0x670
> [Thu Aug 18 15:05:01 2016] [<ffffffff8179dc4e>] inet_recvmsg+0x7e/0xb0
> [Thu Aug 18 15:05:01 2016] [<ffffffff817061fb>] sock_recvmsg+0x3b/0x50
> [Thu Aug 18 15:05:01 2016] [<ffffffff81706451>] SYSC_recvfrom+0xe1/0x160
> [Thu Aug 18 15:05:01 2016] [<ffffffff810ac0b0>] ? wake_up_q+0x70/0x70
> [Thu Aug 18 15:05:01 2016] [<ffffffff8170785e>] SyS_recvfrom+0xe/0x10
> [Thu Aug 18 15:05:01 2016] [<ffffffff8182def2>]
> entry_SYSCALL_64_fastpath+0x16/0x71
>
> It repeats periodically:
>
> $ dmesg -T | grep 'hw csum failure' | wc -l
> 201
>
> ProblemType: Bug
> DistroRelease: Ubuntu 16.04
> Package: linux-image-4.4.0-34-generic 4.4.0-34.53
> ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
> Uname: Linux 4.4.0-34-generic x86_64
> NonfreeKernelModules: zfs zunicode zcommon znvpair zavl nvidia_uvm
> nvidia_modeset nvidia
> ApportVersion: 2.20.1-0ubuntu2.1
> Architecture: amd64
> CurrentDesktop: Unity
> Date: Fri Aug 19 13:47:54 2016
> HibernationDevice: RESUME=UUID=066c8903-7f5e-43d5-b48f-76d33c4558f2
> InstallationDate: Installed on 2016-04-24 (116 days ago)
> InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
> MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
> ProcFB: 0 EFI VGA
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic.efi.signed
> root=/dev/mapper/rootpool-rootvol ro intel_iommu=on
> RelatedPackageVersions:
> linux-restricted-modules-4.4.0-34-generic N/A
> linux-backports-modules-4.4.0-34-generic N/A
> linux-firmware 1.157.3
> RfKill:
>
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 11/14/2013
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: F22
> dmi.board.asset.tag: To be filled by O.E.M.
> dmi.board.name: Z77-D3H
> dmi.board.vendor: Gigabyte Technology Co., Ltd.
> dmi.board.version: x.x
> dmi.chassis.asset.tag: To Be Filled By O.E.M.
> dmi.chassis.type: 3
> dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
> dmi.chassis.version: To Be Filled By O.E.M.
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF22:bd11/14/2013:
> svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:
> rvnGigabyteTechnologyCo.,Ltd.:rnZ77-D3H:rvrx.x:
> cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
> dmi.product.name: To be filled by O.E.M.
> dmi.product.version: To be filled by O.E.M.
> dmi.sys.vendor: Gigabyte Technology Co., Ltd.
>
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>

--
Andrew McDermott <email address hidden>
Juju Core Sapphire team <http://juju.ubuntu.com>