we activated the susuggested kernel
cat /proc/version
Linux version 4.9.0-040900rc5-generic (kernel@tangerine) (gcc version 6.2.0
20161005 (Ubuntu 6.2.0-5ubuntu12) ) #201611131431 SMP Sun Nov 13 19:33:15 UTC
2016
however, same issue reappeared:
Dec 11 21:58:00 puno01 kernel: [2306342.662457] ------------[ cut here
]------------
Dec 11 21:58:00 puno01 kernel: [2306342.662470] WARNING: CPU: 0 PID: 0 at
/home/kernel/COD/linux/net/sched/sch_generic.c:316 dev_watchdog+0x22c/0x230
Dec 11 21:58:00 puno01 kernel: [2306342.662472] NETDEV WATCHDOG: eth0 (igb):
transmit queue 7 timed out
Dec 11 21:58:00 puno01 kernel: [2306342.662474] Modules linked in: btrfs ufs
qnx4 hfsplus hfs minix ntfs msdos jfs xfs dm_snapshot dm_bufio xen_netback
xen_blkback xen_gntdev xen_evtchn xenfs xen_privcmd bridge stp llc intel_rapl
sb_edac edac_core x86_pkg_temp_thermal ast ttm drm_kms_helper coretemp drm
ipmi_ssif crct10dif_pclmul crc32_pclmul ghash_clmulni_intel fb_sys_fops
syscopyarea aesni_intel sysfillrect sysimgblt aes_x86_64 lrw glue_helper
ablk_helper cryptd intel_rapl_perf joydev input_leds ipmi_si ipmi_msghandler
shpchp wmi lpc_ich ioatdma mac_hid acpi_power_meter raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
multipath linear raid10 igb i2c_algo_bit dca ahci ptp libahci pps_core
hid_generic mpt3sas raid_class fjes mptsas mptscsih mptbase scsi_transport_sas
usbhid hid
Dec 11 21:58:00 puno01 kernel: [2306342.662555] CPU: 0 PID: 0 Comm: swapper/0
Tainted: G W 4.9.0-040900rc5-generic #201611131431
Dec 11 21:58:00 puno01 kernel: [2306342.662557] Hardware name: Supermicro
X10DRi/X10DRi, BIOS 1.1 04/14/2015
Dec 11 21:58:00 puno01 kernel: [2306342.662561] ffff88200e403da0
ffffffff81416e32 ffff88200e403df0 0000000000000000
Dec 11 21:58:00 puno01 kernel: [2306342.662565] ffff88200e403de0
ffffffff8108364b 0000013c00000000 0000000000000007
Dec 11 21:58:00 puno01 kernel: [2306342.662569] 0000000000000008
0000000000000000 ffff881ff433c000 ffff881ff6413940
Dec 11 21:58:00 puno01 kernel: [2306342.662574] Call Trace:
Dec 11 21:58:00 puno01 kernel: [2306342.662577] <IRQ>
Dec 11 21:58:00 puno01 kernel: [2306342.662586] [<ffffffff81416e32>]
dump_stack+0x63/0x81
Dec 11 21:58:00 puno01 kernel: [2306342.662594] [<ffffffff8108364b>]
__warn+0xcb/0xf0
Dec 11 21:58:00 puno01 kernel: [2306342.662598] [<ffffffff810836cf>]
warn_slowpath_fmt+0x5f/0x80
Dec 11 21:58:00 puno01 kernel: [2306342.662603] [<ffffffff810f8c92>] ?
hrtimer_interrupt+0xc2/0x180
Dec 11 21:58:00 puno01 kernel: [2306342.662606] [<ffffffff81799eac>]
dev_watchdog+0x22c/0x230
Dec 11 21:58:00 puno01 kernel: [2306342.662609] [<ffffffff81799c80>] ?
qdisc_rcu_free+0x40/0x40
Dec 11 21:58:00 puno01 kernel: [2306342.662616] [<ffffffff810f5f25>]
call_timer_fn+0x35/0x120
Dec 11 21:58:00 puno01 kernel: [2306342.662619] [<ffffffff810f64b5>]
run_timer_softirq+0x215/0x4b0
Dec 11 21:58:00 puno01 kernel: [2306342.662624] [<ffffffff810e5eca>] ?
handle_percpu_irq+0x3a/0x50
Dec 11 21:58:00 puno01 kernel: [2306342.662631] [<ffffffff8188eb94>]
__do_softirq+0x104/0x28c
Dec 11 21:58:00 puno01 kernel: [2306342.662634] [<ffffffff81089ab6>]
irq_exit+0xb6/0xc0
Dec 11 21:58:00 puno01 kernel: [2306342.662639] [<ffffffff8150c5f5>]
xen_evtchn_do_upcall+0x35/0x40
Dec 11 21:58:00 puno01 kernel: [2306342.662642] [<ffffffff8188d00e>]
xen_do_hypervisor_callback+0x1e/0x40
Dec 11 21:58:00 puno01 kernel: [2306342.662643] <EOI>
Dec 11 21:58:00 puno01 kernel: [2306342.662649] [<ffffffff810013aa>] ?
xen_hypercall_sched_op+0xa/0x20
Dec 11 21:58:00 puno01 kernel: [2306342.662651] [<ffffffff810013aa>] ?
xen_hypercall_sched_op+0xa/0x20
Dec 11 21:58:00 puno01 kernel: [2306342.662657] [<ffffffff81022ef0>] ?
xen_safe_halt+0x10/0x20
Dec 11 21:58:00 puno01 kernel: [2306342.662663] [<ffffffff8188b5b0>] ?
default_idle+0x20/0xd0
Dec 11 21:58:00 puno01 kernel: [2306342.662668] [<ffffffff8103830f>] ?
arch_cpu_idle+0xf/0x20
Dec 11 21:58:00 puno01 kernel: [2306342.662671] [<ffffffff8188b9c3>] ?
default_idle_call+0x23/0x30
Dec 11 21:58:00 puno01 kernel: [2306342.662676] [<ffffffff810c8fb0>] ?
cpu_startup_entry+0x1d0/0x240
Dec 11 21:58:00 puno01 kernel: [2306342.662679] [<ffffffff8187e7b7>] ?
rest_init+0x77/0x80
Dec 11 21:58:00 puno01 kernel: [2306342.662685] [<ffffffff81f85fd3>] ?
start_kernel+0x448/0x469
Dec 11 21:58:00 puno01 kernel: [2306342.662689] [<ffffffff81f852ca>] ?
x86_64_start_reservations+0x24/0x26
Dec 11 21:58:00 puno01 kernel: [2306342.662691] [<ffffffff81f8ca9d>] ?
xen_start_kernel+0x52f/0x53b
Dec 11 21:58:00 puno01 kernel: [2306342.662694] ---[ end trace 14b3343d2dd3515f
]---
Dec 11 21:58:00 puno01 kernel: [2306342.662741] igb 0000:04:00.0 eth0: Reset
adapter
Dec 11 21:58:00 puno01 kernel: [2306342.663187] xenbr0: port 1(eth0) entered
disabled state
Dec 11 21:58:00 puno01 kernel: [2306342.685493] igb 0000:04:00.1 eth1: Reset
adapter
Dec 11 21:58:00 puno01 kernel: [2306342.699077] igb 0000:04:00.1 eth1: igb:
eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 11 21:58:02 puno01 kernel: [2306344.857683] igb 0000:04:00.1: exceed max 2
second
Dec 11 21:58:02 puno01 kernel: [2306344.859914] igb 0000:04:00.1 eth1: igb:
eth1 NIC Link is Down
Dec 11 21:58:03 puno01 kernel: [2306346.074702] igb 0000:04:00.0 eth0: igb:
eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1640856
Title:
eth0: Reset adapter
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