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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1713787
Title:
linux 4.4.0-93 triggers call traces related to the bonding module
Status in linux package in Ubuntu:
Confirmed
Bug description:
== Regression details ==
Since the rolled out 4.4.0-93, we are getting many ~identical call
traces that look like this:
------------[ cut here ]------------
WARNING: CPU: 0 PID: XXXX at
/build/linux-YyUNAI/linux-4.4.0/net/core/dev.c:2445
skb_warn_bad_offload+0xd1/0x120()
bond0: caps=(0x000000000fd97ba9, 0x0000000000000000) len=1487 data_len=0
gso_size=1440 gso_type=6 ip_summed=0
Modules linked in: binfmt_misc nf_log_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6
ip6table_filter ip6_tables nf_log_ipv4 nf_log_common xt_LOG xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack
iptable_filter ip_tables x_tables 8021q garp mrp bonding ipmi_devintf dcdbas
intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul
ipmi_ssif crc32_pclmul bridge ghash_clmulni_intel stp llc aesni_intel
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd vhost_net vhost macvtap
macvlan sb_edac edac_core kvm_intel kvm ipmi_si 8250_fintek ipmi_msghandler
lpc_ich irqbypass shpchp mei_me mei acpi_power_meter mac_hid drbd lru_cache
autofs4 btrfs xor raid6_pq bnx2x mxm_wmi vxlan ip6_udp_tunnel tg3 udp_tunnel
ahci mdio ptp libcrc32c libahci megaraid_sas pps_core fjes wmi
CPU: 0 PID: XXXX Comm: qemu-system-x86 Not tainted 4.4.0-93-generic
#116-Ubuntu
Hardware name: Dell Inc. PowerEdge R830/0VVT0H, BIOS 1.3.4 11/09/2016
0000000000000286 f5a0655ded96de87 ffff88bd7f2038c0 ffffffff813f9f83
ffff88bd7f203908 ffffffff81d6f780 ffff88bd7f2038f8 ffffffff810812f2
ffff88b6e118e000 ffff8a3d17f52000 0000000000000006 0000000000000081
Call Trace:
<IRQ> [<ffffffff813f9f83>] dump_stack+0x63/0x90
[<ffffffff810812f2>] warn_slowpath_common+0x82/0xc0
[<ffffffff8108138c>] warn_slowpath_fmt+0x5c/0x80
[<ffffffff814000a2>] ? ___ratelimit+0xa2/0xe0
[<ffffffff81735cd1>] skb_warn_bad_offload+0xd1/0x120
[<ffffffff817393dd>] __skb_gso_segment+0xfd/0x110
[<ffffffff8173971d>] validate_xmit_skb.isra.97.part.98+0x10d/0x2b0
[<ffffffff8173a352>] __dev_queue_xmit+0x582/0x590
[<ffffffff8173a370>] dev_queue_xmit+0x10/0x20
[<ffffffffc03fd848>] vlan_dev_hard_start_xmit+0x98/0x120 [8021q]
[<ffffffff81739b69>] dev_hard_start_xmit+0x249/0x3d0
[<ffffffff8173a2f6>] __dev_queue_xmit+0x526/0x590
[<ffffffff8173a370>] dev_queue_xmit+0x10/0x20
[<ffffffffc05b0f2a>] br_dev_queue_push_xmit+0x7a/0x140 [bridge]
[<ffffffffc05b107d>] br_forward_finish+0x3d/0xb0 [bridge]
[<ffffffffc05b2860>] ? br_handle_frame_finish+0x3a0/0x620 [bridge]
[<ffffffffc05b1196>] __br_forward+0xa6/0x130 [bridge]
[<ffffffffc05b1727>] br_forward+0x87/0x90 [bridge]
[<ffffffffc05b2860>] br_handle_frame_finish+0x3a0/0x620 [bridge]
[<ffffffff817374a4>] ? __netif_receive_skb_core+0x364/0xa60
[<ffffffff81738400>] ? dev_gro_receive+0x1c0/0x3c0
[<ffffffffc05b2c54>] br_handle_frame+0x174/0x2b0 [bridge]
[<ffffffffc00d73db>] ? tg3_poll_work+0x4cb/0xf10 [tg3]
[<ffffffff81737bb8>] ? __netif_receive_skb+0x18/0x60
[<ffffffff817374a4>] __netif_receive_skb_core+0x364/0xa60
[<ffffffff81737e0a>] ? napi_gro_flush+0x5a/0x80
[<ffffffff81737bb8>] __netif_receive_skb+0x18/0x60
[<ffffffff817389a8>] process_backlog+0xa8/0x150
[<ffffffff817380fe>] net_rx_action+0x21e/0x360
[<ffffffff81085dd1>] __do_softirq+0x101/0x290
[<ffffffff81844f0c>] do_softirq_own_stack+0x1c/0x30
<EOI> [<ffffffff81085818>] do_softirq.part.19+0x38/0x40
[<ffffffff81085fcd>] do_softirq+0x1d/0x20
[<ffffffff817367b3>] netif_rx_ni+0x33/0x80
[<ffffffff816063e6>] tun_get_user+0x506/0x880
[<ffffffff81606827>] tun_chr_write_iter+0x57/0x70
[<ffffffff8120ecfc>] do_iter_readv_writev+0x6c/0xa0
[<ffffffff8120f87f>] do_readv_writev+0x18f/0x230
[<ffffffff8120f9a9>] vfs_writev+0x39/0x50
[<ffffffff812106d9>] SyS_writev+0x59/0xf0
[<ffffffff818431f2>] entry_SYSCALL_64_fastpath+0x16/0x71
---[ end trace 9fe5c984ff319e6a ]---
For now this doesn't seem to have any user visible impact but we are
not paying close attention to latencies/packet losses.
Discovered in version: linux-image-4.4.0-93-generic 4.4.0-93.116
Last known good version: linux-image-4.4.0-92-generic 4.4.0-92.115
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-93-generic 4.4.0-93.116
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
Uname: Linux 4.4.0-93-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Aug 28 12:27 seq
crw-rw---- 1 root audio 116, 33 Aug 28 12:27 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser'
Date: Tue Aug 29 13:46:12 2017
HibernationDevice: RESUME=/dev/mapper/vghost-swap
InstallationDate: Installed on 2017-04-01 (149 days ago)
InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.8)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb:
Bus 002 Device 002: ID 8087:8002 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 413c:a001 Dell Computer Corp. Hub
Bus 001 Device 002: ID 8087:800a Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. PowerEdge R830
PciMultimedia:
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-93-generic.efi.signed
root=/dev/mapper/vghost-root ro panic=300
RelatedPackageVersions:
linux-restricted-modules-4.4.0-93-generic N/A
linux-backports-modules-4.4.0-93-generic N/A
linux-firmware 1.157.11
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/09/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.4
dmi.board.name: 0VVT0H
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.4:bd11/09/2016:svnDellInc.:pnPowerEdgeR830:pvr:rvnDellInc.:rn0VVT0H:rvrA01:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R830
dmi.sys.vendor: Dell Inc.
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