igb (82575EB) not passing traffic out.

Sean Bruno sbruno at freebsd.org
Wed Feb 8 01:37:57 UTC 2017



On 02/07/17 10:39, Alexandre Snarskii wrote:
> 
> 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.
> 

I'm hoping to get to this issue sometime this week.  There is definitely
an issue on this device:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216734
> 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 at 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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