Hi!
After upgrading 12-stable from early January 2017 to February 2017
igb card (onboard dual-port 82575EB) stopped passing outbound traffic.
It can be seen in tcpdump, but switch reports "no packets received" and
sysctl counters reports zeros for tx.
Details:
dmesg:
FreeBSD 12.0-CURRENT #0 r313342: Tue Feb 7 17:56:16 MSK 2017
igb0: <Intel(R) PRO/1000 PCI-Express Network Driver> port 0x2020-0x203f mem
0xb1f20000-0xb1f3ffff,0xb1f44000-0xb1f47fff irq 40 at device 0.0 on pci1
igb0: attach_pre capping queues at 4
igb0: using 1024 tx descriptors and 1024 rx descriptors
igb0: msix_init qsets capped at 4
igb0: pxm cpus: 4 queue msgs: 9 admincnt: 1
igb0: using 4 rx queues 4 tx queues
igb0: Using MSIX interrupts with 5 vectors
igb0: allocated for 4 tx_queues
igb0: allocated for 4 rx_queues
igb0: Ethernet address: 00:15:17:b0:e6:f8
igb0: netmap queues/slots: TX 4/1024, RX 4/1024
pciconf -lv:
igb0@pci0:1:0:0: class=0x020000 card=0x34de8086 chip=0x10a78086 rev=0x02
hdr=0x00
vendor = 'Intel Corporation'
device = '82575EB Gigabit Network Connection'
class = network
subclass = ethernet
ifconfig:
igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=6525bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6>
ether 00:15:17:b0:e6:f8
inet 87.245.206.15 netmask 0xffffffc0 broadcast 87.245.206.63
inet6 fe80::215:17ff:feb0:e6f8%igb0 prefixlen 64 scopeid 0x1
inet6 2a02:2d8:0:20ff:232a::3 prefixlen 64
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
(tried to disable all features like lro/tso/csum, no changes).
sysctl dev.igb.0: note mac_stats.tx_frames_* of zero:
dev.igb.0.wake: 0
dev.igb.0.interrupts.rx_overrun: 0
dev.igb.0.interrupts.rx_desc_min_thresh: 0
dev.igb.0.interrupts.tx_queue_min_thresh: 0
dev.igb.0.interrupts.tx_queue_empty: 0
dev.igb.0.interrupts.tx_abs_timer: 0
dev.igb.0.interrupts.tx_pkt_timer: 8
dev.igb.0.interrupts.rx_abs_timer: 9786
dev.igb.0.interrupts.rx_pkt_timer: 9786
dev.igb.0.interrupts.asserts: 9682
dev.igb.0.mac_stats.tso_ctx_fail: 0
dev.igb.0.mac_stats.tso_txd: 0
dev.igb.0.mac_stats.tx_frames_1024_1522: 0
dev.igb.0.mac_stats.tx_frames_512_1023: 0
dev.igb.0.mac_stats.tx_frames_256_511: 0
dev.igb.0.mac_stats.tx_frames_128_255: 0
dev.igb.0.mac_stats.tx_frames_65_127: 0
dev.igb.0.mac_stats.tx_frames_64: 0
dev.igb.0.mac_stats.mcast_pkts_txd: 0
dev.igb.0.mac_stats.bcast_pkts_txd: 0
dev.igb.0.mac_stats.good_pkts_txd: 0
dev.igb.0.mac_stats.total_pkts_txd: 0
dev.igb.0.mac_stats.good_octets_txd: 0
dev.igb.0.mac_stats.good_octets_recvd: 907217
dev.igb.0.mac_stats.rx_frames_1024_1522: 0
dev.igb.0.mac_stats.rx_frames_512_1023: 304
dev.igb.0.mac_stats.rx_frames_256_511: 258
dev.igb.0.mac_stats.rx_frames_128_255: 191
dev.igb.0.mac_stats.rx_frames_65_127: 2817
dev.igb.0.mac_stats.rx_frames_64: 6216
dev.igb.0.mac_stats.mcast_pkts_recvd: 2409
dev.igb.0.mac_stats.bcast_pkts_recvd: 7369
dev.igb.0.mac_stats.good_pkts_recvd: 9786
dev.igb.0.mac_stats.total_pkts_recvd: 15480
dev.igb.0.mac_stats.xoff_txd: 0
dev.igb.0.mac_stats.xoff_recvd: 0
dev.igb.0.mac_stats.xon_txd: 0
dev.igb.0.mac_stats.xon_recvd: 0
dev.igb.0.mac_stats.coll_ext_errs: 0
dev.igb.0.mac_stats.alignment_errs: 0
dev.igb.0.mac_stats.crc_errs: 0
dev.igb.0.mac_stats.recv_errs: 0
dev.igb.0.mac_stats.recv_jabber: 0
dev.igb.0.mac_stats.recv_oversize: 0
dev.igb.0.mac_stats.recv_fragmented: 0
dev.igb.0.mac_stats.recv_undersize: 0
dev.igb.0.mac_stats.recv_no_buff: 0
dev.igb.0.mac_stats.missed_packets: 0
dev.igb.0.mac_stats.defer_count: 0
dev.igb.0.mac_stats.sequence_errors: 0
dev.igb.0.mac_stats.symbol_errors: 0
dev.igb.0.mac_stats.collision_count: 0
dev.igb.0.mac_stats.late_coll: 0
dev.igb.0.mac_stats.multiple_coll: 0
dev.igb.0.mac_stats.single_coll: 0
dev.igb.0.mac_stats.excess_coll: 0
dev.igb.0.queue_rx_3.rx_irq: 0
dev.igb.0.queue_rx_3.rxd_tail: 44
dev.igb.0.queue_rx_3.rxd_head: 46
dev.igb.0.queue_rx_2.rx_irq: 0
dev.igb.0.queue_rx_2.rxd_tail: 158
dev.igb.0.queue_rx_2.rxd_head: 160
dev.igb.0.queue_rx_1.rx_irq: 0
dev.igb.0.queue_rx_1.rxd_tail: 60
dev.igb.0.queue_rx_1.rxd_head: 62
dev.igb.0.queue_rx_0.rx_irq: 0
dev.igb.0.queue_rx_0.rxd_tail: 300
dev.igb.0.queue_rx_0.rxd_head: 302
dev.igb.0.queue_tx_3.no_desc_avail: 0
dev.igb.0.queue_tx_3.tx_irq: 0
dev.igb.0.queue_tx_3.txd_tail: 0
dev.igb.0.queue_tx_3.txd_head: 0
dev.igb.0.queue_tx_2.no_desc_avail: 0
dev.igb.0.queue_tx_2.tx_irq: 0
dev.igb.0.queue_tx_2.txd_tail: 0
dev.igb.0.queue_tx_2.txd_head: 0
dev.igb.0.queue_tx_1.no_desc_avail: 0
dev.igb.0.queue_tx_1.tx_irq: 0
dev.igb.0.queue_tx_1.txd_tail: 0
dev.igb.0.queue_tx_1.txd_head: 0
dev.igb.0.queue_tx_0.no_desc_avail: 0
dev.igb.0.queue_tx_0.tx_irq: 0
dev.igb.0.queue_tx_0.txd_tail: 457
dev.igb.0.queue_tx_0.txd_head: 1
dev.igb.0.fc_low_water: 45604
dev.igb.0.fc_high_water: 47104
dev.igb.0.rx_control: 67403806
dev.igb.0.device_control: 1490027073
dev.igb.0.watchdog_timeouts: 0
dev.igb.0.rx_overruns: 0
dev.igb.0.tx_dma_fail: 0
dev.igb.0.mbuf_defrag_fail: 0
dev.igb.0.link_irq: 4
dev.igb.0.dropped: 0
dev.igb.0.eee_control: 1
dev.igb.0.rx_processing_limit: 100
dev.igb.0.itr: 488
dev.igb.0.tx_abs_int_delay: 66
dev.igb.0.rx_abs_int_delay: 66
dev.igb.0.tx_int_delay: 66
dev.igb.0.rx_int_delay: 0
dev.igb.0.reg_dump: General Registers
CTRL 58d00241
STATUS 00080787
CTRL_EXIT 91180c01
Interrupt Registers
ICR 00000000
RX Registers
RCTL 0404801e
RDLEN 00004000
RDH 0000012e
RDT 0000012c
RXDCTL 02040810
RDBAL 02ec1000
RDBAH 00000000
TX Registers
TCTL b50400fa
TDBAL 02eb1000
TDBAH 00000000
TDLEN 00004000
TDH 00000001
TDT 000001c9
TXDCTL 0241011f
TDFH 80001800
TDFT 00001800
TDFHS 00001800
TDFPC 00000000
dev.igb.0.fc: 0
dev.igb.0.debug: -1
dev.igb.0.nvm: -1
dev.igb.0.iflib.rxq3.rxq_fl0.credits: 1023
dev.igb.0.iflib.rxq3.rxq_fl0.cidx: 46
dev.igb.0.iflib.rxq3.rxq_fl0.pidx: 45
dev.igb.0.iflib.rxq2.rxq_fl0.credits: 1023
dev.igb.0.iflib.rxq2.rxq_fl0.cidx: 160
dev.igb.0.iflib.rxq2.rxq_fl0.pidx: 159
dev.igb.0.iflib.rxq1.rxq_fl0.credits: 1023
dev.igb.0.iflib.rxq1.rxq_fl0.cidx: 62
dev.igb.0.iflib.rxq1.rxq_fl0.pidx: 61
dev.igb.0.iflib.rxq0.rxq_fl0.credits: 1023
dev.igb.0.iflib.rxq0.rxq_fl0.cidx: 302
dev.igb.0.iflib.rxq0.rxq_fl0.pidx: 301
dev.igb.0.iflib.txq3.r_abdications: 0
dev.igb.0.iflib.txq3.r_restarts: 0
dev.igb.0.iflib.txq3.r_stalls: 0
dev.igb.0.iflib.txq3.r_starts: 0
dev.igb.0.iflib.txq3.r_drops: 0
dev.igb.0.iflib.txq3.r_enqueues: 0
dev.igb.0.iflib.txq3.ring_state: pidx_head: 0000 pidx_tail: 0000 cidx: 0000
state: IDLE
dev.igb.0.iflib.txq3.txq_cleaned: 0
dev.igb.0.iflib.txq3.txq_processed: 0
dev.igb.0.iflib.txq3.txq_in_use: 0
dev.igb.0.iflib.txq3.txq_cidx_processed: 0
dev.igb.0.iflib.txq3.txq_cidx: 0
dev.igb.0.iflib.txq3.txq_pidx: 0
dev.igb.0.iflib.txq3.no_tx_dma_setup: 0
dev.igb.0.iflib.txq3.txd_encap_efbig: 0
dev.igb.0.iflib.txq3.tx_map_failed: 0
dev.igb.0.iflib.txq3.no_desc_avail: 0
dev.igb.0.iflib.txq3.mbuf_defrag_failed: 0
dev.igb.0.iflib.txq3.m_pullups: 0
dev.igb.0.iflib.txq3.mbuf_defrag: 0
dev.igb.0.iflib.txq2.r_abdications: 0
dev.igb.0.iflib.txq2.r_restarts: 0
dev.igb.0.iflib.txq2.r_stalls: 0
dev.igb.0.iflib.txq2.r_starts: 0
dev.igb.0.iflib.txq2.r_drops: 0
dev.igb.0.iflib.txq2.r_enqueues: 0
dev.igb.0.iflib.txq2.ring_state: pidx_head: 0000 pidx_tail: 0000 cidx: 0000
state: IDLE
dev.igb.0.iflib.txq2.txq_cleaned: 0
dev.igb.0.iflib.txq2.txq_processed: 0
dev.igb.0.iflib.txq2.txq_in_use: 0
dev.igb.0.iflib.txq2.txq_cidx_processed: 0
dev.igb.0.iflib.txq2.txq_cidx: 0
dev.igb.0.iflib.txq2.txq_pidx: 0
dev.igb.0.iflib.txq2.no_tx_dma_setup: 0
dev.igb.0.iflib.txq2.txd_encap_efbig: 0
dev.igb.0.iflib.txq2.tx_map_failed: 0
dev.igb.0.iflib.txq2.no_desc_avail: 0
dev.igb.0.iflib.txq2.mbuf_defrag_failed: 0
dev.igb.0.iflib.txq2.m_pullups: 0
dev.igb.0.iflib.txq2.mbuf_defrag: 0
dev.igb.0.iflib.txq1.r_abdications: 0
dev.igb.0.iflib.txq1.r_restarts: 0
dev.igb.0.iflib.txq1.r_stalls: 0
dev.igb.0.iflib.txq1.r_starts: 0
dev.igb.0.iflib.txq1.r_drops: 0
dev.igb.0.iflib.txq1.r_enqueues: 0
dev.igb.0.iflib.txq1.ring_state: pidx_head: 0000 pidx_tail: 0000 cidx: 0000
state: IDLE
dev.igb.0.iflib.txq1.txq_cleaned: 0
dev.igb.0.iflib.txq1.txq_processed: 0
dev.igb.0.iflib.txq1.txq_in_use: 0
dev.igb.0.iflib.txq1.txq_cidx_processed: 0
dev.igb.0.iflib.txq1.txq_cidx: 0
dev.igb.0.iflib.txq1.txq_pidx: 0
dev.igb.0.iflib.txq1.no_tx_dma_setup: 0
dev.igb.0.iflib.txq1.txd_encap_efbig: 0
dev.igb.0.iflib.txq1.tx_map_failed: 0
dev.igb.0.iflib.txq1.no_desc_avail: 0
dev.igb.0.iflib.txq1.mbuf_defrag_failed: 0
dev.igb.0.iflib.txq1.m_pullups: 0
dev.igb.0.iflib.txq1.mbuf_defrag: 0
dev.igb.0.iflib.txq0.r_abdications: 0
dev.igb.0.iflib.txq0.r_restarts: 0
dev.igb.0.iflib.txq0.r_stalls: 0
dev.igb.0.iflib.txq0.r_starts: 359
dev.igb.0.iflib.txq0.r_drops: 0
dev.igb.0.iflib.txq0.r_enqueues: 359
dev.igb.0.iflib.txq0.ring_state: pidx_head: 0359 pidx_tail: 0359 cidx: 0359
state: IDLE
dev.igb.0.iflib.txq0.txq_cleaned: 0
dev.igb.0.iflib.txq0.txq_processed: 1
dev.igb.0.iflib.txq0.txq_in_use: 457
dev.igb.0.iflib.txq0.txq_cidx_processed: 1
dev.igb.0.iflib.txq0.txq_cidx: 0
dev.igb.0.iflib.txq0.txq_pidx: 457
dev.igb.0.iflib.txq0.no_tx_dma_setup: 0
dev.igb.0.iflib.txq0.txd_encap_efbig: 0
dev.igb.0.iflib.txq0.tx_map_failed: 0
dev.igb.0.iflib.txq0.no_desc_avail: 0
dev.igb.0.iflib.txq0.mbuf_defrag_failed: 0
dev.igb.0.iflib.txq0.m_pullups: 0
dev.igb.0.iflib.txq0.mbuf_defrag: 0
dev.igb.0.iflib.override_nrxds: 0
dev.igb.0.iflib.override_ntxds: 0
dev.igb.0.iflib.override_qs_enable: 0
dev.igb.0.iflib.override_nrxqs: 0
dev.igb.0.iflib.override_ntxqs: 0
dev.igb.0.iflib.driver_version: 7.6.1-k
dev.igb.0.%parent: pci1
dev.igb.0.%pnpinfo: vendor=0x8086 device=0x10a7 subvendor=0x8086
subdevice=0x34de class=0x020000
dev.igb.0.%location: slot=0 function=0 dbsf=pci0:1:0:0
handle=\_SB_.PCI0.MRP1.ZOR1
dev.igb.0.%driver: igb
dev.igb.0.%desc: Intel(R) PRO/1000 PCI-Express Network Driver
tcpdump with arp replies (demonstrating that input traffic reaches kernel ok):
tcpdump: listening on igb0, link-type EN10MB (Ethernet), capture size 262144
bytes
18:33:06.929553 00:15:17:b0:e6:f8 > b0:a8:6e:7b:47:c8, ethertype ARP (0x0806),
length 42: Ethernet (len 6), IPv4 (len 4), Reply 87.245.206.15 is-at
00:15:17:b0:e6:f8, length 28
18:33:07.369398 00:15:17:b0:e6:f8 > 5c:5e:ab:0f:2a:80, ethertype 802.1Q
(0x8100), length 46: vlan 490, p 0, ethertype ARP, Ethernet (len 6), IPv4 (len
4), Reply 10.31.0.2 is-at 00:15:17:b0:e6:f8, length 28
switch output demonstrating that there were no packets from host
in last four hours:
Last flapped : 2017-02-07 18:09:50 GMT-3 (00:24:09 ago)
Statistics last cleared: 2017-02-07 13:54:55 GMT-3 (04:39:04 ago)
Traffic statistics:
Input bytes : 0 0 bps
Output bytes : 30559996 16160 bps
Input packets: 0 0 pps
Output packets: 273220 20 pps
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