freebsd stable - Feb 2016 - possible em regression (was Re: svn commit: r294958 - in stable/10: share/man/man4 sys/dev/e1000 sys/dev/ixgb sys/dev/netmap)

On Sat, Feb 06, 2016 at 07:46:02PM -0500, mike tancsa
wrote:
> Sure, I will try Monday when at the office
Actually, thinking about it, could you please try the following
patch on top of the previous one/r295287?
https://people.freebsd.org/~marius/e1000_max_scatter_tso_10.diff

Thanks
Marius

On 2/8/2016 4:10 AM, Marius Strobl wrote:
> On Sat, Feb 06, 2016 at 07:46:02PM -0500, mike tancsa wrote:
>> Sure, I will try Monday when at the office
> 
> Actually, thinking about it, could you please try the following
> patch on top of the previous one/r295287?
> https://people.freebsd.org/~marius/e1000_max_scatter_tso_10.diff

Didnt take too long ( ~5hrs post reboot).  It does at least recover on
its own which is good.

em0: Watchdog timeout Queue[0]-- resetting
Interface is RUNNING and ACTIVE
em0: TX Queue 0 ------
em0: hw tdh = 576, hw tdt = 866
em0: Tx Queue Status = -2147483648
em0: TX descriptors avail = 733
em0: Tx Descriptors avail failure = 0
em0: RX Queue 0 ------
em0: hw rdh = 573, hw rdt = 572
em0: RX discarded packets = 0
em0: RX Next to Check = 574
em0: RX Next to Refresh = 578
em0: link state changed to DOWN
em0: link state changed to UP

% sysctl -a dev.em.0
dev.em.0.interrupts.rx_overrun: 0
dev.em.0.interrupts.rx_desc_min_thresh: 0
dev.em.0.interrupts.tx_queue_min_thresh: 2
dev.em.0.interrupts.tx_queue_empty: 0
dev.em.0.interrupts.tx_abs_timer: 23
dev.em.0.interrupts.tx_pkt_timer: 14
dev.em.0.interrupts.rx_abs_timer: 0
dev.em.0.interrupts.rx_pkt_timer: 9
dev.em.0.interrupts.asserts: 1266419
dev.em.0.mac_stats.tso_ctx_fail: 0
dev.em.0.mac_stats.tso_txd: 378579
dev.em.0.mac_stats.tx_frames_1024_1522: 1556661
dev.em.0.mac_stats.tx_frames_512_1023: 39043
dev.em.0.mac_stats.tx_frames_256_511: 78275
dev.em.0.mac_stats.tx_frames_128_255: 67735
dev.em.0.mac_stats.tx_frames_65_127: 112191
dev.em.0.mac_stats.tx_frames_64: 41640
dev.em.0.mac_stats.mcast_pkts_txd: 10
dev.em.0.mac_stats.bcast_pkts_txd: 14
dev.em.0.mac_stats.good_pkts_txd: 1895545
dev.em.0.mac_stats.total_pkts_txd: 1895545
dev.em.0.mac_stats.good_octets_txd: 2392873221
dev.em.0.mac_stats.good_octets_recvd: 157831335
dev.em.0.mac_stats.rx_frames_1024_1522: 41856
dev.em.0.mac_stats.rx_frames_512_1023: 15434
dev.em.0.mac_stats.rx_frames_256_511: 32906
dev.em.0.mac_stats.rx_frames_128_255: 21500
dev.em.0.mac_stats.rx_frames_65_127: 413405
dev.em.0.mac_stats.rx_frames_64: 594421
dev.em.0.mac_stats.mcast_pkts_recvd: 0
dev.em.0.mac_stats.bcast_pkts_recvd: 6284
dev.em.0.mac_stats.good_pkts_recvd: 1119522
dev.em.0.mac_stats.total_pkts_recvd: 1119522
dev.em.0.mac_stats.xoff_txd: 0
dev.em.0.mac_stats.xoff_recvd: 0
dev.em.0.mac_stats.xon_txd: 0
dev.em.0.mac_stats.xon_recvd: 0
dev.em.0.mac_stats.coll_ext_errs: 0
dev.em.0.mac_stats.alignment_errs: 0
dev.em.0.mac_stats.crc_errs: 0
dev.em.0.mac_stats.recv_errs: 0
dev.em.0.mac_stats.recv_jabber: 0
dev.em.0.mac_stats.recv_oversize: 0
dev.em.0.mac_stats.recv_fragmented: 0
dev.em.0.mac_stats.recv_undersize: 0
dev.em.0.mac_stats.recv_no_buff: 0
dev.em.0.mac_stats.missed_packets: 0
dev.em.0.mac_stats.defer_count: 0
dev.em.0.mac_stats.sequence_errors: 0
dev.em.0.mac_stats.symbol_errors: 0
dev.em.0.mac_stats.collision_count: 0
dev.em.0.mac_stats.late_coll: 0
dev.em.0.mac_stats.multiple_coll: 0
dev.em.0.mac_stats.single_coll: 0
dev.em.0.mac_stats.excess_coll: 0
dev.em.0.queue_rx_0.rx_irq: 0
dev.em.0.queue_rx_0.rxd_tail: 749
dev.em.0.queue_rx_0.rxd_head: 750
dev.em.0.queue_tx_0.no_desc_avail: 0
dev.em.0.queue_tx_0.tx_irq: 0
dev.em.0.queue_tx_0.txd_tail: 1001
dev.em.0.queue_tx_0.txd_head: 1002
dev.em.0.fc_low_water: 8740
dev.em.0.fc_high_water: 10240
dev.em.0.rx_control: 67141634
dev.em.0.device_control: 1075053128
dev.em.0.watchdog_timeouts: 1
dev.em.0.rx_overruns: 0
dev.em.0.tx_dma_fail: 0
dev.em.0.mbuf_defrag_fail: 0
dev.em.0.link_irq: 0
dev.em.0.dropped: 0
dev.em.0.eee_control: 1
dev.em.0.rx_processing_limit: 100
dev.em.0.itr: 488
dev.em.0.tx_abs_int_delay: 66
dev.em.0.rx_abs_int_delay: 66
dev.em.0.tx_int_delay: 66
dev.em.0.rx_int_delay: 0
dev.em.0.fc: 3
dev.em.0.debug: -1
dev.em.0.nvm: -1
dev.em.0.%parent: pci13
dev.em.0.%pnpinfo: vendor=0x8086 device=0x108c subvendor=0x15d9
subdevice=0x108c class=0x020000
dev.em.0.%location: pci0:13:0:0
dev.em.0.%driver: em
dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.4.2


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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
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