Date: Thu, 10 Nov 2011 10:22:39 +0100 From: Willem Jan Withagen <wjw@digiware.nl> To: "stable@freebsd.org" <stable@freebsd.org> Subject: em0 watchdog timeout Message-ID: <4EBB97DF.3020803@digiware.nl>
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Hi
Still running this file server on ZFS, and every now and then em0 goes
down, and is not revivable.... Nothing goes in or out the box...
Any suggestions as how to (help) fix this?
Regards,
--WjW
-------
Nov 10 09:07:41 zfs kernel: em0: Watchdog timeout -- resetting
Nov 10 09:07:41 zfs kernel: em0: Queue(0) tdh = 187, hw tdt = 189
Nov 10 09:07:41 zfs kernel: em0: TX(0) desc avail = 1022,Next TX to
Clean = 187
Nov 10 09:11:32 zfs kernel: em0: Watchdog timeout -- resetting
Nov 10 09:11:32 zfs kernel: em0: Queue(0) tdh = 139, hw tdt = 151
Nov 10 09:11:32 zfs kernel: em0: TX(0) desc avail = 1012,Next TX to
Clean = 139
Nov 10 09:16:05 zfs kernel: em0: Watchdog timeout -- resetting
Nov 10 09:16:05 zfs kernel: em0: Queue(0) tdh = 152, hw tdt = 163
Nov 10 09:16:05 zfs kernel: em0: TX(0) desc avail = 1013,Next TX to
Clean = 152
Nov 10 09:33:10 zfs kernel: em0: Watchdog timeout -- resetting
Nov 10 09:33:10 zfs kernel: em0: Queue(0) tdh = 161, hw tdt = 176
Nov 10 09:33:10 zfs kernel: em0: TX(0) desc avail = 1008,Next TX to
Clean = 160
Nov 10 09:53:18 zfs kernel: em0: Watchdog timeout -- resetting
Nov 10 09:53:18 zfs kernel: em0: Queue(0) tdh = 157, hw tdt = 172
Nov 10 09:53:18 zfs kernel: em0: TX(0) desc avail = 1009,Next TX to
Clean = 157
Device is:
Nov 10 10:07:27 zfs kernel: em0: <Intel(R) PRO/1000 Network Connection
7.2.3> port 0x1820-0x183f mem
0xdf900000-0xdf91ffff,0xdf924000-0xdf924fff irq 16 at device 25.0 on pci0
Nov 10 10:07:27 zfs kernel: em0: Using an MSI interrupt
Nov 10 10:07:27 zfs kernel: em0: [FILTER]
pciconf -lv:
em0@pci0:0:25:0: class=0x020000 card=0x10bd15d9 chip=0x10bd8086
rev=0x02 hdr=0x00
vendor = 'Intel Corporation'
device = 'Intel 82566DM Gigabit Ethernet Adapter (82566DM)'
class = network
subclass = ethernet
uname:
8.2-STABLE FreeBSD 8.2-STABLE #12: Sun Oct 2 13:36:55 CEST 2011
amd64
sysctl -a | grep em.0:
dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.2.3
dev.em.0.%driver: em
dev.em.0.%location: slot=25 function=0 handle=\_SB_.PCI0.LAN_
dev.em.0.%pnpinfo: vendor=0x8086 device=0x10bd subvendor=0x15d9
subdevice=0x10bd class=0x020000
dev.em.0.%parent: pci0
dev.em.0.nvm: -1
dev.em.0.debug: -1
dev.em.0.rx_int_delay: 0
dev.em.0.tx_int_delay: 66
dev.em.0.rx_abs_int_delay: 66
dev.em.0.tx_abs_int_delay: 66
dev.em.0.rx_processing_limit: 100
dev.em.0.flow_control: 3
dev.em.0.eee_control: 0
dev.em.0.link_irq: 0
dev.em.0.mbuf_alloc_fail: 0
dev.em.0.cluster_alloc_fail: 0
dev.em.0.dropped: 0
dev.em.0.tx_dma_fail: 0
dev.em.0.rx_overruns: 6
dev.em.0.watchdog_timeouts: 5
dev.em.0.device_control: 1074790976
dev.em.0.rx_control: 67141634
dev.em.0.fc_high_water: 8192
dev.em.0.fc_low_water: 6692
dev.em.0.queue0.txd_head: 78
dev.em.0.queue0.txd_tail: 78
dev.em.0.queue0.tx_irq: 0
dev.em.0.queue0.no_desc_avail: 0
dev.em.0.queue0.rxd_head: 376
dev.em.0.queue0.rxd_tail: 375
dev.em.0.queue0.rx_irq: 0
dev.em.0.mac_stats.excess_coll: 0
dev.em.0.mac_stats.single_coll: 0
dev.em.0.mac_stats.multiple_coll: 0
dev.em.0.mac_stats.late_coll: 0
dev.em.0.mac_stats.collision_count: 0
dev.em.0.mac_stats.symbol_errors: 0
dev.em.0.mac_stats.sequence_errors: 0
dev.em.0.mac_stats.defer_count: 0
dev.em.0.mac_stats.missed_packets: 9
dev.em.0.mac_stats.recv_no_buff: 0
dev.em.0.mac_stats.recv_undersize: 0
dev.em.0.mac_stats.recv_fragmented: 0
dev.em.0.mac_stats.recv_oversize: 0
dev.em.0.mac_stats.recv_jabber: 0
dev.em.0.mac_stats.recv_errs: 1
dev.em.0.mac_stats.crc_errs: 1
dev.em.0.mac_stats.alignment_errs: 0
dev.em.0.mac_stats.coll_ext_errs: 0
dev.em.0.mac_stats.xon_recvd: 0
dev.em.0.mac_stats.xon_txd: 0
dev.em.0.mac_stats.xoff_recvd: 0
dev.em.0.mac_stats.xoff_txd: 0
dev.em.0.mac_stats.total_pkts_recvd: 160062850
dev.em.0.mac_stats.good_pkts_recvd: 160062840
dev.em.0.mac_stats.bcast_pkts_recvd: 79648
dev.em.0.mac_stats.mcast_pkts_recvd: 10220
dev.em.0.mac_stats.rx_frames_64: 0
dev.em.0.mac_stats.rx_frames_65_127: 0
dev.em.0.mac_stats.rx_frames_128_255: 0
dev.em.0.mac_stats.rx_frames_256_511: 0
dev.em.0.mac_stats.rx_frames_512_1023: 0
dev.em.0.mac_stats.rx_frames_1024_1522: 0
dev.em.0.mac_stats.good_octets_recvd: 107143604749
dev.em.0.mac_stats.good_octets_txd: 129876768158
dev.em.0.mac_stats.total_pkts_txd: 179010567
dev.em.0.mac_stats.good_pkts_txd: 179010567
dev.em.0.mac_stats.bcast_pkts_txd: 14608
dev.em.0.mac_stats.mcast_pkts_txd: 206
dev.em.0.mac_stats.tx_frames_64: 0
dev.em.0.mac_stats.tx_frames_65_127: 0
dev.em.0.mac_stats.tx_frames_128_255: 0
dev.em.0.mac_stats.tx_frames_256_511: 0
dev.em.0.mac_stats.tx_frames_512_1023: 0
dev.em.0.mac_stats.tx_frames_1024_1522: 0
dev.em.0.mac_stats.tso_txd: 3691806
dev.em.0.mac_stats.tso_ctx_fail: 0
dev.em.0.interrupts.asserts: 130023913
dev.em.0.interrupts.rx_pkt_timer: 0
dev.em.0.interrupts.rx_abs_timer: 0
dev.em.0.interrupts.tx_pkt_timer: 0
dev.em.0.interrupts.tx_abs_timer: 0
dev.em.0.interrupts.tx_queue_empty: 0
dev.em.0.interrupts.tx_queue_min_thresh: 0
dev.em.0.interrupts.rx_desc_min_thresh: 0
dev.em.0.interrupts.rx_overrun: 0
dev.em.0.wake: 0
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