Date: Sun, 2 May 2010 21:40:13 -0500 From: Bryce Edwards <bryce@bryce.net> To: freebsd-stable@freebsd.org Subject: 8-STABLE performance issues on Supermicro Core i7 Message-ID: <p2j34da63c51005021940ja279a71cx8d59a2275354699f@mail.gmail.com> In-Reply-To: <m2j34da63c51005010810r21e40b23m76d9beccd5daaf8c@mail.gmail.com> References: <m2j34da63c51005010810r21e40b23m76d9beccd5daaf8c@mail.gmail.com>
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Hello,
I've got a new Supermicro X58 system with an Intel Core i7 930 with 6
GB ram that is not performing nearly as fast as it should in many ways
(compiling, network transfers). =A0To give an example, it has been
building the gcc44 port for about 10 hours now and at the same time
rsync'ing from a Linux box on the same Gigabit network is only getting
throughput of between 10-25 MB/sec. =A0When I did a buildkernel for
8-STABLE, it took 17 hours! My investigations have shown inhibited
performance on compute, network and storage activities.
In the BIOS, I have played with a few settings and some actually made
it worse. =A0What I have done now is disabled Hyperthreading and Turbo
Boost.
Thanks in advance for any ideas. Here's some system info and stats:
bryce@tahiti[~]>uname -a
FreeBSD tahiti.bryce.net 8.0-STABLE FreeBSD 8.0-STABLE #0: Wed Apr 28
10:53:37 CDT 2010
root@tahiti.bryce.net:/usr/obj/usr/src/sys/GENERIC =A0amd64
bryce@tahiti[~]>cat /boot/loader.conf
ahci_load=3D"YES"
ichsmb_load=3D"YES"
smb_load=3D"YES"
coretemp_load=3D"YES"
zfs_load=3D"YES"
vfs.root.mountfrom=3D"zfs:system"
hint.p4tcc.0.disabled=3D1
hint.acpi_throttle.0.disabled=3D1
bryce@tahiti[~]>cat /etc/sysctl.conf
kern.timecounter.hardware=3DHPET
bryce@tahiti[~]>vmstat 1
=A0procs =A0 =A0 =A0memory =A0 =A0 =A0page =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0disks =A0 =A0 faults =A0 =A0 =A0 =A0 cpu
=A0r b w =A0 =A0 avm =A0 =A0fre =A0 flt =A0re =A0pi =A0po =A0 =A0fr =A0sr a=
d0 ad1 =A0 in =A0 sy
cs us sy id
=A05 0 0 =A0 1068M =A03478M =A0 572 =A0 1 =A0 1 =A0 0 =A0 862 =A0 0 =A0 0 =
=A0 0 9370 16514
16157 71 22 =A07
=A05 0 0 =A0 1068M =A03478M =A0 =A0 2 =A0 0 =A0 0 =A0 0 =A0 =A0 0 =A0 0 =A0=
0 =A0 0 8008 14504
11716 81 17 =A02
=A05 0 0 =A0 1068M =A03478M =A0 =A0 0 =A0 0 =A0 0 =A0 0 =A0 =A0 0 =A0 0 =A0=
0 =A0 0 12429 22323
18125 77 23 =A00
=A05 0 0 =A0 1068M =A03478M =A0 =A0 0 =A0 0 =A0 0 =A0 0 =A0 =A0 0 =A0 0 =A0=
0 =A0 0 12348 22125
17988 73 27 =A00
bryce@tahiti[~]>vmstat -i
interrupt =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0total =A0 =A0 =
=A0 rate
irq1: atkbd0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A09291 =A0 =A0 =
=A0 =A0 =A00
irq17: fwohci0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 1 =A0 =A0 =
=A0 =A0 =A00
cpu0: timer =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 75416246 =A0 =A0 =A0 20=
00
irq256: em0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0137590284 =A0 =A0 =A0 36=
49
irq257: em0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0206367605 =A0 =A0 =A0 54=
73
irq260: em0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A01 =A0 =
=A0 =A0 =A0 =A00
irq266: ahci0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A09892384 =A0 =A0 =A0 =
=A0262
cpu2: timer =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 75415653 =A0 =A0 =A0 20=
00
cpu3: timer =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 75415702 =A0 =A0 =A0 20=
00
cpu1: timer =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 75415561 =A0 =A0 =A0 20=
00
Total =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0655522728 =A0 =A0 =
=A017385
bryce@tahiti[~]>netstat -I em0 -h 1
=A0 =A0 =A0 =A0 =A0 =A0input =A0 =A0 =A0 =A0 =A0(em0) =A0 =A0 =A0 =A0 =A0 o=
utput
=A0 packets =A0errs idrops =A0 =A0 =A0bytes =A0 =A0packets =A0errs =A0 =A0 =
=A0bytes colls
=A0 =A0 =A07.7K =A0 =A0 0 =A0 =A0 0 =A0 =A0 =A0 =A011M =A0 =A0 =A0 7.2K =A0=
=A0 0 =A0 =A0 =A0 475K =A0 =A0 0
=A0 =A0 =A08.1K =A0 =A0 0 =A0 =A0 0 =A0 =A0 =A0 =A012M =A0 =A0 =A0 7.4K =A0=
=A0 0 =A0 =A0 =A0 491K =A0 =A0 0
=A0 =A0 =A07.8K =A0 =A0 0 =A0 =A0 0 =A0 =A0 =A0 =A011M =A0 =A0 =A0 7.2K =A0=
=A0 0 =A0 =A0 =A0 476K =A0 =A0 0
bryce@tahiti[/usr/adm]>iostat 1
=A0 =A0 =A0 tty =A0 =A0 =A0 =A0 =A0 =A0ada0 =A0 =A0 =A0 =A0 =A0 =A0 ada1 =
=A0 =A0 =A0 =A0 =A0 =A0 ada2 =A0 =A0 =A0 =A0 =A0 =A0 cpu
=A0tin =A0tout =A0KB/t tps =A0MB/s =A0 KB/t tps =A0MB/s =A0 KB/t tps =A0MB/=
s =A0us ni sy in id
=A0 0 =A0 108 22.35 =A0 3 =A00.07 =A020.61 =A0 3 =A00.07 =A058.60 =A0 0 =A0=
0.00 =A071 =A00 =A04 17 =A07
=A0 0 =A0 222 64.00 =A0 1 =A00.06 =A0128.00 =A0 1 =A00.12 =A0 0.00 =A0 0 =
=A00.00 =A087 =A00 =A02 11 =A00
Dmesg output:
Copyright (c) 1992-2010 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 8.0-STABLE #0: Wed Apr 28 10:53:37 CDT 2010
root@tahiti.bryce.net:/usr/obj/usr/src/sys/GENERIC amd64
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz (2786.02-MHz K8-class =
CPU)
Origin =3D "GenuineIntel" Id =3D 0x106a5 Family =3D 6 Model =3D 1a St=
epping =3D 5
Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG=
E,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=3D0x98e3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,P=
DCM,SSE4.1,SSE4.2,POPCNT>
AMD Features=3D0x28100800<SYSCALL,NX,RDTSCP,LM>
AMD Features2=3D0x1<LAHF>
TSC: P-state invariant
real memory =3D 6446645248 (6148 MB)
avail memory =3D 6169243648 (5883 MB)
ACPI APIC Table: <021210 APIC1519>
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s)
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 2
cpu2 (AP): APIC ID: 4
cpu3 (AP): APIC ID: 6
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <SMCI > on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, cbf00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
ACPI Warning: Incorrect checksum in table [OEMB] - 0x7B, should be
0x74 (20100331/tbutils-354)
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acp=
i0
Timecounter "HPET" frequency 14318180 Hz quality 900
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 3.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 7.0 on pci0
pci3: <ACPI PCI bus> on pcib3
vgapci0: <VGA-compatible display> port 0xcc00-0xcc7f mem
0xfa000000-0xfaffffff,0xd0000000-0xdfffffff,0xce000000-0xcfffffff irq
16 at device 0.0 on pci3
pci3: <multimedia, HDA> at device 0.1 (no driver attached)
pci0: <base peripheral, interrupt controller> at device 20.0 (no
driver attached)
pci0: <base peripheral, interrupt controller> at device 20.1 (no
driver attached)
pci0: <base peripheral, interrupt controller> at device 20.2 (no
driver attached)
pci0: <base peripheral, interrupt controller> at device 20.3 (no
driver attached)
pci0: <base peripheral> at device 22.0 (no driver attached)
pci0: <base peripheral> at device 22.1 (no driver attached)
pci0: <base peripheral> at device 22.2 (no driver attached)
pci0: <base peripheral> at device 22.3 (no driver attached)
pci0: <base peripheral> at device 22.4 (no driver attached)
pci0: <base peripheral> at device 22.5 (no driver attached)
pci0: <base peripheral> at device 22.6 (no driver attached)
pci0: <base peripheral> at device 22.7 (no driver attached)
uhci0: <Intel 82801JI (ICH10) USB controller USB-D> port 0xbc00-0xbc1f
irq 16 at device 26.0 on pci0
uhci0: [ITHREAD]
uhci0: LegSup =3D 0x2f00
usbus0: <Intel 82801JI (ICH10) USB controller USB-D> on uhci0
uhci1: <Intel 82801JI (ICH10) USB controller USB-E> port 0xb880-0xb89f
irq 21 at device 26.1 on pci0
uhci1: [ITHREAD]
uhci1: LegSup =3D 0x2f00
usbus1: <Intel 82801JI (ICH10) USB controller USB-E> on uhci1
uhci2: <Intel 82801JI (ICH10) USB controller USB-F> port 0xb800-0xb81f
irq 19 at device 26.2 on pci0
uhci2: [ITHREAD]
uhci2: LegSup =3D 0x2f00
usbus2: <Intel 82801JI (ICH10) USB controller USB-F> on uhci2
ehci0: <Intel 82801JI (ICH10) USB 2.0 controller USB-B> mem
0xf9fde000-0xf9fde3ff irq 18 at device 26.7 on pci0
ehci0: [ITHREAD]
usbus3: EHCI version 1.0
usbus3: <Intel 82801JI (ICH10) USB 2.0 controller USB-B> on ehci0
pcib4: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci4: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> irq 17 at device 28.4 on pci0
pci5: <ACPI PCI bus> on pcib5
em0: <Intel(R) PRO/1000 Network Connection 7.0.5> port 0xdc00-0xdc1f
mem 0xfbce0000-0xfbcfffff,0xfbcdc000-0xfbcdffff irq 16 at device 0.0
on pci5
em0: Using MSIX interrupts with 5 vectors
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: [ITHREAD]
em0: Ethernet address: 00:30:48:fb:8a:06
pcib6: <ACPI PCI-PCI bridge> irq 16 at device 28.5 on pci0
pci6: <ACPI PCI bus> on pcib6
em1: <Intel(R) PRO/1000 Network Connection 7.0.5> port 0xec00-0xec1f
mem 0xfbde0000-0xfbdfffff,0xfbddc000-0xfbddffff irq 17 at device 0.0
on pci6
em1: Using MSIX interrupts with 5 vectors
em1: [ITHREAD]
em1: [ITHREAD]
em1: [ITHREAD]
em1: [ITHREAD]
em1: [ITHREAD]
em1: Ethernet address: 00:30:48:fb:8a:07
uhci3: <Intel 82801JI (ICH10) USB controller USB-A> port 0xb480-0xb49f
irq 23 at device 29.0 on pci0
uhci3: [ITHREAD]
uhci3: LegSup =3D 0x2f00
usbus4: <Intel 82801JI (ICH10) USB controller USB-A> on uhci3
uhci4: <Intel 82801JI (ICH10) USB controller USB-B> port 0xb400-0xb41f
irq 19 at device 29.1 on pci0
uhci4: [ITHREAD]
uhci4: LegSup =3D 0x2f00
usbus5: <Intel 82801JI (ICH10) USB controller USB-B> on uhci4
uhci5: <Intel 82801JI (ICH10) USB controller USB-C> port 0xb080-0xb09f
irq 18 at device 29.2 on pci0
uhci5: [ITHREAD]
uhci5: LegSup =3D 0x2f00
usbus6: <Intel 82801JI (ICH10) USB controller USB-C> on uhci5
ehci1: <Intel 82801JI (ICH10) USB 2.0 controller USB-A> mem
0xf9fdc000-0xf9fdc3ff irq 23 at device 29.7 on pci0
ehci1: [ITHREAD]
usbus7: EHCI version 1.0
usbus7: <Intel 82801JI (ICH10) USB 2.0 controller USB-A> on ehci1
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci7: <ACPI PCI bus> on pcib7
fwohci0: <Texas Instruments TSB43AB22/A> mem
0xfbefb800-0xfbefbfff,0xfbefc000-0xfbefffff irq 17 at device 8.0 on
pci7
fwohci0: [ITHREAD]
fwohci0: OHCI version 1.10 (ROM=3D1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:30:48:00:00:01:7a:2d
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x2718000
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:30:48:01:7a:2d
fwe0: Ethernet address: 02:30:48:01:7a:2d
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:30:48:00:00:01:7a:2d @ 0xfffe00000000,
S400, maxrec 2048
fwohci0: Initiate bus reset
fwohci0: fwohci_intr_core: BUS reset
fwohci0: fwohci_intr_core: node_id=3D0x00000000, SelfID Count=3D1, CYCLEMAS=
TER mode
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel ICH10 AHCI SATA controller> port
0xa480-0xa487,0xb000-0xb003,0xac00-0xac07,0xa880-0xa883,0xa800-0xa81f
mem 0xf9fda000-0xf9fda7ff irq 19 at device 31.2 on pci0
ahci0: [ITHREAD]
ahci0: AHCI v1.20 with 6 3Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich0: [ITHREAD]
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich1: [ITHREAD]
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich2: [ITHREAD]
ahcich3: <AHCI channel> at channel 3 on ahci0
ahcich3: [ITHREAD]
ahcich4: <AHCI channel> at channel 4 on ahci0
ahcich4: [ITHREAD]
ahcich5: <AHCI channel> at channel 5 on ahci0
ahcich5: [ITHREAD]
ichsmb0: <Intel 82801JI (ICH10) SMBus controller> port 0x400-0x41f mem
0xf9fd8000-0xf9fd80ff irq 18 at device 31.3 on pci0
ichsmb0: [ITHREAD]
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0
acpi_button0: <Power Button> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: [FILTER]
uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
uart1: [FILTER]
ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppc0: [ITHREAD]
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
plip0: [ITHREAD]
lpt0: <Printer> on ppbus0
lpt0: [ITHREAD]
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=3D0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
coretemp0: <CPU On-Die Thermal Sensors> on cpu0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
coretemp1: <CPU On-Die Thermal Sensors> on cpu1
est1: <Enhanced SpeedStep Frequency Control> on cpu1
coretemp2: <CPU On-Die Thermal Sensors> on cpu2
est2: <Enhanced SpeedStep Frequency Control> on cpu2
coretemp3: <CPU On-Die Thermal Sensors> on cpu3
est3: <Enhanced SpeedStep Frequency Control> on cpu3
ZFS filesystem version 3
ZFS storage pool version 14
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <=3D 0 cable IRM irm(0) (me)
firewire0: bus manager 0
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 480Mbps High Speed USB v2.0
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 12Mbps Full Speed USB v1.0
usbus6: 12Mbps Full Speed USB v1.0
usbus7: 480Mbps High Speed USB v2.0
ugen0.1: <Intel> at usbus0
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <Intel> at usbus1
uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <Intel> at usbus2
uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <Intel> at usbus3
uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
ugen4.1: <Intel> at usbus4
uhub4: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <Intel> at usbus5
uhub5: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
ugen6.1: <Intel> at usbus6
uhub6: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
ugen7.1: <Intel> at usbus7
uhub7: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <WDC WD1600BEKT-00F3T0 11.01A11> ATA-8 SATA 2.x device
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 152627MB (312581808 512 byte sectors: 16H 63S/T 16383C)
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <WDC WD1600BEKT-00F3T0 11.01A11> ATA-8 SATA 2.x device
ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada1: Command Queueing enabled
ada1: 152627MB (312581808 512 byte sectors: 16H 63S/T 16383C)
ada2 at ahcich2 bus 0 scbus2 target 0 lun 0
ada2: <SAMSUNG HD203WI 1AN10002> ATA-8 SATA 2.x device
ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada2: Command Queueing enabled
ada2: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
ada3 at ahcich3 bus 0 scbus3 target 0 lun 0
ada3: <SAMSUNG HD203WI 1AN10002> ATA-8 SATA 2.x device
ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada3: Command Queueing enabled
ada3: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
ada4 at ahcich4 bus 0 scbus4 target 0 lun 0
ada4: <Hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
ada4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada4: Command Queueing enabled
ada4: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
ada5 at ahcich5 bus 0 scbus5 target 0 lun 0
ada5: <Hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
ada5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada5: Command Queueing enabled
ada5: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
SMP: AP CPU #2 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #1 Launched!
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
uhub2: 2 ports with 2 removable, self powered
uhub4: 2 ports with 2 removable, self powered
uhub5: 2 ports with 2 removable, self powered
uhub6: 2 ports with 2 removable, self powered
Root mount waiting for: usbus7 usbus3
Root mount waiting for: usbus7 usbus3
uhub3: 6 ports with 6 removable, self powered
uhub7: 6 ports with 6 removable, self powered
Trying to mount root from zfs:system
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