Date: Mon, 28 Sep 2015 17:21:31 -0700 From: Jim Long <list@museum.rain.com> To: freebsd-questions@freebsd.org Subject: Slow tcp transmit speed on 10.2-STABLE Message-ID: <20150929002131.GA30896@ns.umpquanet.com>
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I have one machine (jimsdesk) which achieves very poor tcp transmit
rates. It receives adequately, but is universally slow (HTTP, FTP, scp,
lpd, etc.) when sending. By 'slow' I mean average throughput of
10kB/sec or so on a Gigabit link. The NIC is em0, sysctl.conf is
absent, and /boot/loader.conf is absent.
I have captured a sample session with tcpdump, but am out of my depth in
interpreting the output.
Clues as to what is going on and how to remedy the problem would be
greatly appreciated. Please let me know if I can provide additional
information.
Thank you,
Jim
This is copying a file out from the slow machine to a neighboring (same
subnet) CentOS 7 box. I have more data/other cases if that would be
helpful. Another example I can provide is waiting for lpd to spool a
25M postscript job to the printer at 10kB/sec.
jimsdesk : 16:36:34 /usr/home/jim> head -100 /root/scp-poor-transmit-speed.txt
11:16:25.152095 IP (tos 0x0, ttl 64, id 1594, offset 0, flags [DF], proto TCP (6), length 60)
jimsdesk.34262 > centos.ssh: Flags [S], cksum 0xb520 (correct), seq 1922228099, win 65535, options [mss 1448,nop,wscale 6,sackOK,TS val 84821251 ecr 0], length 0
11:16:25.152261 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 60)
centos.ssh > jimsdesk.34262: Flags [S.], cksum 0xdad9 (correct), seq 3510010142, ack 1922228100, win 14480, options [mss 1460,sackOK,TS val 69880601 ecr 84821251,nop,wscale 7], length 0
11:16:25.152320 IP (tos 0x0, ttl 64, id 1595, offset 0, flags [DF], proto TCP (6), length 52)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x3e2d (correct), seq 1, ack 1, win 1032, options [nop,nop,TS val 84821252 ecr 69880601], length 0
11:16:25.152859 IP (tos 0x0, ttl 64, id 1596, offset 0, flags [DF], proto TCP (6), length 101)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0xcb7c (correct), seq 1:50, ack 1, win 1032, options [nop,nop,TS val 84821252 ecr 69880601], length 49
11:16:25.152982 IP (tos 0x0, ttl 64, id 51718, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x4191 (correct), seq 1, ack 50, win 114, options [nop,nop,TS val 69880602 ecr 84821252], length 0
11:16:25.161224 IP (tos 0x0, ttl 64, id 51719, offset 0, flags [DF], proto TCP (6), length 75)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x4b93 (correct), seq 1:24, ack 50, win 114, options [nop,nop,TS val 69880610 ecr 84821252], length 23
11:16:25.163894 IP (tos 0x0, ttl 64, id 51720, offset 0, flags [DF], proto TCP (6), length 1488)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x97d4 (correct), seq 24:1460, ack 50, win 114, options [nop,nop,TS val 69880612 ecr 84821252], length 1436
11:16:25.391728 IP (tos 0x0, ttl 64, id 44480, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x5b7e (correct), seq 50:1486, ack 1460, win 1032, options [nop,nop,TS val 84821491 ecr 69880612], length 1436
11:16:25.391734 IP (tos 0x0, ttl 64, id 44482, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x5b7e (correct), seq 50:1486, ack 1460, win 1032, options [nop,nop,TS val 84821491 ecr 69880612], length 1436
11:16:25.391973 IP (tos 0x0, ttl 64, id 51721, offset 0, flags [DF], proto TCP (6), length 256)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0xfbae (correct), seq 1460:1664, ack 1486, win 136, options [nop,nop,TS val 69880840 ecr 84821491], length 204
11:16:25.391981 IP (tos 0x0, ttl 64, id 51722, offset 0, flags [DF], proto TCP (6), length 64)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x533f (correct), seq 1664, ack 1486, win 136, options [nop,nop,TS val 69880840 ecr 84821491,nop,nop,sack 1 {50:1486}], length 0
11:16:25.392025 IP (tos 0x0, ttl 64, id 44483, offset 0, flags [DF], proto TCP (6), length 584)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x9772 (correct), seq 1486:2018, ack 1664, win 1028, options [nop,nop,TS val 84821491 ecr 69880840], length 532
11:16:25.392146 IP (tos 0x0, ttl 64, id 51723, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x3157 (correct), seq 1664, ack 2018, win 159, options [nop,nop,TS val 69880841 ecr 84821491], length 0
11:16:25.393983 IP (tos 0x0, ttl 64, id 44484, offset 0, flags [DF], proto TCP (6), length 100)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x05f4 (correct), seq 2018:2066, ack 1664, win 1032, options [nop,nop,TS val 84821493 ecr 69880841], length 48
11:16:25.394099 IP (tos 0x0, ttl 64, id 51724, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x3123 (correct), seq 1664, ack 2066, win 159, options [nop,nop,TS val 69880843 ecr 84821493], length 0
11:16:25.402434 IP (tos 0x0, ttl 64, id 51725, offset 0, flags [DF], proto TCP (6), length 332)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x8f37 (correct), seq 1664:1944, ack 2066, win 159, options [nop,nop,TS val 69880851 ecr 84821493], length 280
11:16:25.406810 IP (tos 0x0, ttl 64, id 44486, offset 0, flags [DF], proto TCP (6), length 68)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x2254 (correct), seq 2066:2082, ack 1944, win 1032, options [nop,nop,TS val 84821506 ecr 69880851], length 16
11:16:25.446917 IP (tos 0x0, ttl 64, id 51726, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x2fb9 (correct), seq 1944, ack 2082, win 159, options [nop,nop,TS val 69880896 ecr 84821506], length 0
11:16:25.446975 IP (tos 0x0, ttl 64, id 44487, offset 0, flags [DF], proto TCP (6), length 104)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x38f3 (correct), seq 2082:2134, ack 1944, win 1032, options [nop,nop,TS val 84821546 ecr 69880896], length 52
11:16:25.447095 IP (tos 0x0, ttl 64, id 51727, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x2f5d (correct), seq 1944, ack 2134, win 159, options [nop,nop,TS val 69880896 ecr 84821546], length 0
11:16:25.447222 IP (tos 0x0, ttl 64, id 51728, offset 0, flags [DF], proto TCP (6), length 104)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x1066 (correct), seq 1944:1996, ack 2134, win 159, options [nop,nop,TS val 69880896 ecr 84821546], length 52
11:16:25.447302 IP (tos 0x0, ttl 64, id 44488, offset 0, flags [DF], proto TCP (6), length 120)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x551a (correct), seq 2134:2202, ack 1996, win 1032, options [nop,nop,TS val 84821547 ecr 69880896], length 68
11:16:25.449623 IP (tos 0x0, ttl 64, id 51729, offset 0, flags [DF], proto TCP (6), length 136)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0xdc4d (correct), seq 1996:2080, ack 2202, win 159, options [nop,nop,TS val 69880898 ecr 84821547], length 84
11:16:25.449710 IP (tos 0x0, ttl 64, id 44489, offset 0, flags [DF], proto TCP (6), length 568)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x2814 (correct), seq 2202:2718, ack 2080, win 1032, options [nop,nop,TS val 84821550 ecr 69880898], length 516
11:16:25.454138 IP (tos 0x0, ttl 64, id 51730, offset 0, flags [DF], proto TCP (6), length 536)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x275b (correct), seq 2080:2564, ack 2718, win 181, options [nop,nop,TS val 69880903 ecr 84821550], length 484
11:16:25.454476 IP (tos 0x0, ttl 64, id 44490, offset 0, flags [DF], proto TCP (6), length 632)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0xd859 (correct), seq 2718:3298, ack 2564, win 1032, options [nop,nop,TS val 84821554 ecr 69880903], length 580
11:16:25.460435 IP (tos 0x0, ttl 64, id 51731, offset 0, flags [DF], proto TCP (6), length 88)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0xb4fb (correct), seq 2564:2600, ack 3298, win 204, options [nop,nop,TS val 69880909 ecr 84821554], length 36
11:16:25.460567 IP (tos 0x0, ttl 64, id 44491, offset 0, flags [DF], proto TCP (6), length 172)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x0c71 (correct), seq 3298:3418, ack 2600, win 1032, options [nop,nop,TS val 84821561 ecr 69880909], length 120
11:16:25.499979 IP (tos 0x0, ttl 64, id 51732, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x2758 (correct), seq 2600, ack 3418, win 204, options [nop,nop,TS val 69880949 ecr 84821561], length 0
11:16:25.556097 IP (tos 0x0, ttl 64, id 51733, offset 0, flags [DF], proto TCP (6), length 104)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x67ce (correct), seq 2600:2652, ack 3418, win 204, options [nop,nop,TS val 69881005 ecr 84821561], length 52
11:16:25.556254 IP (tos 0x8, ttl 64, id 44492, offset 0, flags [DF], proto TCP (6), length 120)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x9c0a (correct), seq 3418:3486, ack 2652, win 1032, options [nop,nop,TS val 84821656 ecr 69881005], length 68
11:16:25.556375 IP (tos 0x0, ttl 64, id 51734, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x2649 (correct), seq 2652, ack 3486, win 204, options [nop,nop,TS val 69881005 ecr 84821656], length 0
11:16:25.561630 IP (tos 0x8, ttl 64, id 51735, offset 0, flags [DF], proto TCP (6), length 124)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x3a6b (correct), seq 2652:2724, ack 3486, win 204, options [nop,nop,TS val 69881010 ecr 84821656], length 72
11:16:25.580764 IP (tos 0x8, ttl 64, id 51736, offset 0, flags [DF], proto TCP (6), length 88)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x8245 (correct), seq 2724:2760, ack 3486, win 204, options [nop,nop,TS val 69881029 ecr 84821656], length 36
11:16:25.580824 IP (tos 0x8, ttl 64, id 44493, offset 0, flags [DF], proto TCP (6), length 52)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x2284 (correct), seq 3486, ack 2760, win 1031, options [nop,nop,TS val 84821681 ecr 69881010], length 0
11:16:25.580916 IP (tos 0x8, ttl 64, id 44494, offset 0, flags [DF], proto TCP (6), length 120)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0xc508 (correct), seq 3486:3554, ack 2760, win 1032, options [nop,nop,TS val 84821681 ecr 69881010], length 68
11:16:25.581162 IP (tos 0x8, ttl 64, id 51737, offset 0, flags [DF], proto TCP (6), length 88)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0xc391 (correct), seq 2760:2796, ack 3554, win 204, options [nop,nop,TS val 69881030 ecr 84821681], length 36
11:16:25.581239 IP (tos 0x8, ttl 64, id 44495, offset 0, flags [DF], proto TCP (6), length 120)
jimsdesk.34262 > centos.ssh: Flags [P.], cksum 0x5c37 (correct), seq 3554:3622, ack 2796, win 1032, options [nop,nop,TS val 84821681 ecr 69881030], length 68
11:16:25.581583 IP (tos 0x8, ttl 64, id 51738, offset 0, flags [DF], proto TCP (6), length 88)
centos.ssh > jimsdesk.34262: Flags [P.], cksum 0x3483 (correct), seq 2796:2832, ack 3622, win 204, options [nop,nop,TS val 69881030 ecr 84821681], length 36
11:16:25.827361 IP (tos 0x8, ttl 64, id 22148, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x95c8 (correct), seq 3622:5058, ack 2832, win 1032, options [nop,nop,TS val 84821927 ecr 69881030], length 1436
11:16:25.827367 IP (tos 0x8, ttl 64, id 22149, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x95c8 (correct), seq 3622:5058, ack 2832, win 1032, options [nop,nop,TS val 84821927 ecr 69881030], length 1436
11:16:25.827567 IP (tos 0x8, ttl 64, id 51739, offset 0, flags [DF], proto TCP (6), length 64)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x2111 (correct), seq 2832, ack 5058, win 226, options [nop,nop,TS val 69881276 ecr 84821927,nop,nop,sack 1 {3622:5058}], length 0
11:16:26.077106 IP (tos 0x8, ttl 64, id 64811, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x6252 (correct), seq 5058:6494, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881276], length 1436
11:16:26.077111 IP (tos 0x8, ttl 64, id 64813, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x6252 (correct), seq 5058:6494, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881276], length 1436
11:16:26.077352 IP (tos 0x8, ttl 64, id 51740, offset 0, flags [DF], proto TCP (6), length 52)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x1596 (correct), seq 2832, ack 6494, win 249, options [nop,nop,TS val 69881526 ecr 84822177], length 0
11:16:26.077355 IP (tos 0x8, ttl 64, id 51741, offset 0, flags [DF], proto TCP (6), length 64)
centos.ssh > jimsdesk.34262: Flags [.], cksum 0x0e32 (correct), seq 2832, ack 6494, win 249, options [nop,nop,TS val 69881526 ecr 84822177,nop,nop,sack 1 {5058:6494}], length 0
11:16:26.077380 IP (tos 0x8, ttl 64, id 64815, offset 0, flags [DF], proto TCP (6), length 1488)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0x16c4 (correct), seq 13674:15110, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881526], length 1436
11:16:26.077392 IP (tos 0x8, ttl 64, id 64818, offset 0, flags [DF], proto TCP (6), length 752)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0xd74f (correct), seq 13674:14374, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881526], length 700
11:16:26.077403 IP (tos 0x8, ttl 64, id 64821, offset 0, flags [DF], proto TCP (6), length 752)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0xd74f (correct), seq 13674:14374, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881526], length 700
11:16:26.077415 IP (tos 0x8, ttl 64, id 64824, offset 0, flags [DF], proto TCP (6), length 752)
jimsdesk.34262 > centos.ssh: Flags [.], cksum 0xd74f (correct), seq 13674:14374, ack 2832, win 1032, options [nop,nop,TS val 84822177 ecr 69881526], length 700
In case it is helpful:
jimsdesk : 17:07:09 /usr/home/jim> pciconf -lv
hostb0@pci0:0:0:0: class=0x060000 card=0x05771028 chip=0x01508086 rev=0x09 hdr=0x00
vendor = 'Intel Corporation'
device = 'Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller'
class = bridge
subclass = HOST-PCI
pcib1@pci0:0:1:0: class=0x060400 card=0x05771028 chip=0x01518086 rev=0x09 hdr=0x01
vendor = 'Intel Corporation'
device = 'Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port'
class = bridge
subclass = PCI-PCI
xhci0@pci0:0:20:0: class=0x0c0330 card=0x05771028 chip=0x1e318086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family USB xHCI Host Controller'
class = serial bus
subclass = USB
none0@pci0:0:22:0: class=0x078000 card=0x05771028 chip=0x1e3a8086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family MEI Controller'
class = simple comms
none1@pci0:0:22:3: class=0x070002 card=0x05771028 chip=0x1e3d8086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family KT Controller'
class = simple comms
subclass = UART
em0@pci0:0:25:0: class=0x020000 card=0x052c1028 chip=0x15028086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '82579LM Gigabit Network Connection'
class = network
subclass = ethernet
ehci0@pci0:0:26:0: class=0x0c0320 card=0x05771028 chip=0x1e2d8086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family USB Enhanced Host Controller'
class = serial bus
subclass = USB
hdac1@pci0:0:27:0: class=0x040300 card=0x05771028 chip=0x1e208086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family High Definition Audio Controller'
class = multimedia
subclass = HDA
ehci1@pci0:0:29:0: class=0x0c0320 card=0x05771028 chip=0x1e268086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family USB Enhanced Host Controller'
class = serial bus
subclass = USB
pcib2@pci0:0:30:0: class=0x060401 card=0x05771028 chip=0x244e8086 rev=0xa4 hdr=0x01
vendor = 'Intel Corporation'
device = '82801 PCI Bridge'
class = bridge
subclass = PCI-PCI
isab0@pci0:0:31:0: class=0x060100 card=0x05771028 chip=0x1e478086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = 'Q77 Express Chipset LPC Controller'
class = bridge
subclass = PCI-ISA
atapci0@pci0:0:31:2: class=0x01018f card=0x05771028 chip=0x1e008086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family 4-port SATA Controller [IDE mode]'
class = mass storage
subclass = ATA
none2@pci0:0:31:3: class=0x0c0500 card=0x05771028 chip=0x1e228086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family SMBus Controller'
class = serial bus
subclass = SMBus
atapci1@pci0:0:31:5: class=0x010185 card=0x05771028 chip=0x1e088086 rev=0x04 hdr=0x00
vendor = 'Intel Corporation'
device = '7 Series/C210 Series Chipset Family 2-port SATA Controller [IDE mode]'
class = mass storage
subclass = ATA
vgapci0@pci0:1:0:0: class=0x030000 card=0x21201028 chip=0x67781002 rev=0x00 hdr=0x00
vendor = 'Advanced Micro Devices [AMD] nee ATI'
device = 'Caicos [Radeon HD 7000 Series]'
class = display
subclass = VGA
hdac0@pci0:1:0:1: class=0x040300 card=0xaa981028 chip=0xaa981002 rev=0x00 hdr=0x00
vendor = 'Advanced Micro Devices [AMD] nee ATI'
device = 'Caicos HDMI Audio [Radeon HD 6400 Series]'
class = multimedia
subclass = HDA
jimsdesk : 17:07:45 /usr/home/jim> uname -a
FreeBSD jimsdesk 10.2-STABLE FreeBSD 10.2-STABLE #0 r286926: Wed Aug 19 11:23:10 PDT 2015 root@jimsdesk:/usr/obj/usr/src/sys/GENERIC amd64
jimsdesk : 17:07:52 /usr/home/jim> cat /var/run/dmesg.boot
Copyright (c) 1992-2015 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 10.2-STABLE #0 r286926: Wed Aug 19 11:23:10 PDT 2015
root@jimsdesk:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
CPU: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (3392.37-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x306a9 Family=0x6 Model=0x3a Stepping=9
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x7fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
AMD Features2=0x1<LAHF>
Structured Extended Features=0x281<FSGSBASE,SMEP,ERMS>
XSAVE Features=0x1<XSAVEOPT>
VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
TSC: P-state invariant, performance statistics
real memory = 17179869184 (16384 MB)
avail memory = 16548806656 (15782 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <DELL CBX3 >
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 SMT threads
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 2
cpu3 (AP): APIC ID: 3
cpu4 (AP): APIC ID: 4
cpu5 (AP): APIC ID: 5
cpu6 (AP): APIC ID: 6
cpu7 (AP): APIC ID: 7
ioapic0 <Version 2.0> irqs 0-23 on motherboard
random: <Software, Yarrow> initialized
kbd1 at kbdmux0
acpi0: <DELL CBX3 > on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
cpu4: <ACPI CPU> on acpi0
cpu5: <ACPI CPU> on acpi0
cpu6: <ACPI CPU> on acpi0
cpu7: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 550
atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
atrtc0: Warning: Couldn't map I/O.
Event timer "RTC" frequency 32768 Hz quality 0
attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xe000-0xe0ff mem 0xe0000000-0xefffffff,0xf7e20000-0xf7e3ffff irq 16 at device 0.0 on pci1
vgapci0: Boot video device
hdac0: <ATI RV910 HDA Controller> mem 0xf7e40000-0xf7e43fff irq 17 at device 0.1 on pci1
xhci0: <Intel Panther Point USB 3.0 controller> mem 0xf7f20000-0xf7f2ffff irq 16 at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
xhci0: Port routing mask set to 0xffffffff
usbus0 on xhci0
pci0: <simple comms> at device 22.0 (no driver attached)
pci0: <simple comms, UART> at device 22.3 (no driver attached)
em0: <Intel(R) PRO/1000 Network Connection 7.4.2> port 0xf020-0xf03f mem 0xf7f00000-0xf7f1ffff,0xf7f38000-0xf7f38fff irq 20 at device 25.0 on pci0
em0: Using an MSI interrupt
em0: Ethernet address: 5c:f9:dd:77:ba:7b
ehci0: <Intel Panther Point USB 2.0 controller> mem 0xf7f37000-0xf7f373ff irq 16 at device 26.0 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
hdac1: <Intel Panther Point HDA Controller> mem 0xf7f30000-0xf7f33fff irq 22 at device 27.0 on pci0
ehci1: <Intel Panther Point USB 2.0 controller> mem 0xf7f36000-0xf7f363ff irq 23 at device 29.0 on pci0
usbus2: EHCI version 1.0
usbus2 on ehci1
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel Panther Point SATA300 controller> port 0xf0f0-0xf0f7,0xf0e0-0xf0e3,0xf0d0-0xf0d7,0xf0c0-0xf0c3,0xf0b0-0xf0bf,0xf0a0-0xf0af irq 19 at device 31.2 on pci0
ata2: <ATA channel> at channel 0 on atapci0
ata3: <ATA channel> at channel 1 on atapci0
atapci1: <Intel Panther Point SATA300 controller> port 0xf090-0xf097,0xf080-0xf083,0xf070-0xf077,0xf060-0xf063,0xf050-0xf05f,0xf040-0xf04f irq 19 at device 31.5 on pci0
ata4: <ATA channel> at channel 0 on atapci1
ata5: <ATA channel> at channel 1 on atapci1
acpi_button0: <Power Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz1: <Thermal Zone> on acpi0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd0000-0xd0fff,0xd1000-0xd1fff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
ppc0: cannot reserve I/O port range
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est2: <Enhanced SpeedStep Frequency Control> on cpu2
est3: <Enhanced SpeedStep Frequency Control> on cpu3
est4: <Enhanced SpeedStep Frequency Control> on cpu4
est5: <Enhanced SpeedStep Frequency Control> on cpu5
est6: <Enhanced SpeedStep Frequency Control> on cpu6
est7: <Enhanced SpeedStep Frequency Control> on cpu7
random: unblocking device.
usbus0: 5.0Gbps Super Speed USB v3.0
Timecounters tick every 1.000 msec
hdacc0: <ATI R6xx HDA CODEC> at cad 0 on hdac0
hdaa0: <ATI R6xx Audio Function Group> at nid 1 on hdacc0
pcm0: <ATI R6xx (HDMI)> at nid 3 on hdaa0
hdacc1: <Realtek ALC269 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC269 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC269 (Analog)> at nid 20 and 24 on hdaa1
pcm2: <Realtek ALC269 (Analog 2.0+HP/2.0)> at nid 27,33 and 25 on hdaa1
usbus1: 480Mbps High Speed USB v2.0
usbus2: 480Mbps High Speed USB v2.0
ugen1.1: <Intel> at usbus1
uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
ugen0.1: <0x8086> at usbus0
uhub1: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
ugen2.1: <Intel> at usbus2
uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
uhub1: 8 ports with 8 removable, self powered
uhub0: 3 ports with 3 removable, self powered
uhub2: 3 ports with 3 removable, self powered
ada0 at ata2 bus 0 scbus0 target 0 lun 0
ada0: <WDC WD1001FALS-00J7B0 05.00K05> ATA8-ACS SATA 2.x device
cd0 at ata3 bus 0 scbus1 target 0 lun 0
cd0: <PLDS DVD+-RW DH-16ACS JD11> Removable CD-ROM SCSI device
cd0: Serial Number HDD0H7363926C50OSA00
cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
ada0: Serial Number WD-WMATV1166086
ada0: 300.000MB/s transfers (SATA 2.x, UDMA5, PIO 8192bytes)
ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada0: Previously was known as ad4
ugen0.2: <vendor 0x0461> at usbus0
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #7 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #4 Launched!
SMP: AP CPU #6 Launched!
SMP: AP CPU #5 Launched!
Timecounter "TSC-low" frequency 1696182966 Hz quality 1000
Root mount waiting for: usbus2 usbus1 usbus0
ugen2.2: <vendor 0x8087> at usbus2
uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus2
ugen1.2: <vendor 0x8087> at usbus1
uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus1
ugen0.3: <Dell> at usbus0
uhub5: <Dell USB Keyboard Hub> on usbus0
uhub5: 3 ports with 2 removable, bus powered
Root mount waiting for: usbus2 usbus1 usbus0
uhub4: 6 ports with 6 removable, self powered
uhub3: 8 ports with 8 removable, self powered
ugen0.4: <Dell> at usbus0
ukbd0: <Dell USB Keyboard Hub> on usbus0
kbd2 at ukbd0
Trying to mount root from ufs:/dev/ada0s4a [rw]...
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
ums0: <vendor 0x0461 product 0x4d51, class 0/0, rev 2.00/7.17, addr 1> on usbus0
ums0: 5 buttons and [XYZ] coordinates ID=0
uhid0: <Dell USB Keyboard Hub> on usbus0
ipfw2 (+ipv6) initialized, divert loadable, nat loadable, default to deny, logging disabled
jimsdesk : 17:10:53 /usr/home/jim> ifconfig em0
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO>
ether 5c:f9:dd:77:ba:7b
inet 10.160.171.161 netmask 0xffffff00 broadcast 10.160.171.255
inet 172.16.0.10 netmask 0xffffffff broadcast 172.16.0.10
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
jimsdesk : 17:11:35 /usr/home/jim> netstat -in
Name Mtu Network Address Ipkts Ierrs Idrop Opkts Oerrs Coll
em0 1500 <Link#1> 5c:f9:dd:77:ba:7b 6002947 0 0 12590147 0 0
em0 - 10.160.171.0 10.160.171.161 520816258 - - 12588619 - -
em0 - 172.16.0.10/3 172.16.0.10 363058 - - 0 - -
lo0 16384 <Link#2> 515843045 0 0 515843039 0 0
lo0 - ::1/128 ::1 148 - - 148 - -
lo0 - fe80::1%lo0/6 fe80::1%lo0 0 - - 0 - -
lo0 - 127.0.0.0/8 127.0.0.1 847 - - 515842897 - -
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