# dd if=/dev/sd0c of=/dev/null count=76800
76800+0 records in
76800+0 records out
39321600 bytes transferred in 2.992 secs (13138175 bytes/sec)
# dd if=/dev/zero of=test.bin count=76800
76800+0 records in
76800+0 records out
39321600 bytes transferred in 1.833 secs (21445143 bytes/sec)
# cat /var/run/dmesg.boot
OpenBSD 5.1 (GENERIC) #160: Sun Feb 12 09:46:33 MST 2012
[email protected]:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Genuine Intel(R) CPU @ 600MHz ("GenuineIntel" 686-class) 601 MHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,NXE,LONG,SSE3,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE,LAHF
real mem = 536260608 (511MB)
avail mem = 517394432 (493MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 20/11/03, BIOS32 rev. 0 @ 0xfac40
mpbios0 at bios0: Intel MP Specification 1.4
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: unknown i686 model 0x26, can't get bus clock (0x41880000)
cpu0: apic clock running at 99MHz
cpu at mainbus0: not configured
mpbios0: bus 0 is type PCI
mpbios0: bus 64 is type ISA
ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins
pcibios0 at bios0: rev 2.0 @ 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf3880/96 (4 entries)
pcibios0: no compatible PCI ICU found: ICU vendor 0x8086 product 0x8186
pcibios0: Warning, unable to fix up PCI interrupt routing
pcibios0: PCI bus #13 is the last bus
bios0: ROM list: 0xc8000/0x2400 0xca800/0x4c00 0xcf800/0xee00
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 vendor "Intel", unknown product 0x4115 rev 0x05
pchb1 at pci0 dev 1 function 0 "Intel E600 Config" rev 0x00
ppb0 at pci0 dev 23 function 0 "Intel E600 PCIE" rev 0x00
pci1 at ppb0 bus 1
ppb1 at pci1 dev 0 function 0 "Intel EG20T PCIE" rev 0x01
pci2 at ppb1 bus 2
"Intel EG20T Packet Hub" rev 0x01 at pci2 dev 0 function 0 not configured
"Intel EG20T Ethernet" rev 0x01 at pci2 dev 0 function 1 not configured
"Intel EG20T GPIO" rev 0x00 at pci2 dev 0 function 2 not configured
ohci0 at pci2 dev 2 function 0 "Intel EG20T USB" rev 0x01: apic 0 int
19, version 1.0, legacy support
ohci1 at pci2 dev 2 function 1 "Intel EG20T USB" rev 0x01: apic 0 int
19, version 1.0, legacy support
ohci2 at pci2 dev 2 function 2 "Intel EG20T USB" rev 0x01: apic 0 int
19, version 1.0, legacy support
ehci0 at pci2 dev 2 function 3 "Intel EG20T USB" rev 0x01: apic 0 int 19
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
"Intel EG20T USB Client" rev 0x01 at pci2 dev 2 function 4 not configured
sdhc0 at pci2 dev 4 function 0 "Intel EG20T SDIO" rev 0x01: apic 0 int 18
sdmmc0 at sdhc0
sdhc1 at pci2 dev 4 function 1 "Intel EG20T SDIO" rev 0x01: apic 0 int 18
sdmmc1 at sdhc1
ahci0 at pci2 dev 6 function 0 "Intel EG20T AHCI" rev 0x01: msi, AHCI 1.1
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, SanDisk SDSSDX12, R112> SCSI3
0/direct fixed naa.5001b4473aa0fcb9
sd0: 114473MB, 512 bytes/sector, 234441648 sectors, thin
sd1 at scsibus0 targ 1 lun 0: <ATA, TS2GMSA500, 2010> SCSI3 0/direct
fixed t10.ATA_TS2GMSA500_201109230140_
sd1: 1887MB, 512 bytes/sector, 3865680 sectors
ohci3 at pci2 dev 8 function 0 "Intel EG20T USB" rev 0x01: apic 0 int
16, version 1.0, legacy support
ohci4 at pci2 dev 8 function 1 "Intel EG20T USB" rev 0x01: apic 0 int
16, version 1.0, legacy support
ohci5 at pci2 dev 8 function 2 "Intel EG20T USB" rev 0x01: apic 0 int
16, version 1.0, legacy support
ehci1 at pci2 dev 8 function 3 "Intel EG20T USB" rev 0x01: apic 0 int 16
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
"Intel EG20T DMA" rev 0x00 at pci2 dev 10 function 0 not configured
puc0 at pci2 dev 10 function 1 "Intel EG20T Serial" rev 0x00: ports: 1 com
com3 at puc0 port 0 apic 0 int 19: ti16750, 64 byte fifo
puc1 at pci2 dev 10 function 2 "Intel EG20T Serial" rev 0x00: ports: 1 com
com4 at puc1 port 0 apic 0 int 19: ti16750, 64 byte fifo
puc2 at pci2 dev 10 function 3 "Intel EG20T Serial" rev 0x00: ports: 1 com
com5 at puc2 port 0 apic 0 int 19: ti16750, 64 byte fifo
puc3 at pci2 dev 10 function 4 "Intel EG20T Serial" rev 0x00: ports: 1 com
com6 at puc3 port 0 apic 0 int 19: ti16750, 64 byte fifo
"Intel EG20T DMA" rev 0x00 at pci2 dev 12 function 0 not configured
"Intel EG20T SPI" rev 0x00 at pci2 dev 12 function 1 not configured
"Intel EG20T I2C" rev 0x00 at pci2 dev 12 function 2 not configured
"Intel EG20T CAN" rev 0x00 at pci2 dev 12 function 3 not configured
"Intel EG20T 1588" rev 0x01 at pci2 dev 12 function 4 not configured
usb2 at ohci0: USB revision 1.0
uhub2 at usb2 "Intel OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci1: USB revision 1.0
uhub3 at usb3 "Intel OHCI root hub" rev 1.00/1.00 addr 1
usb4 at ohci2: USB revision 1.0
uhub4 at usb4 "Intel OHCI root hub" rev 1.00/1.00 addr 1
usb5 at ohci3: USB revision 1.0
uhub5 at usb5 "Intel OHCI root hub" rev 1.00/1.00 addr 1
usb6 at ohci4: USB revision 1.0
uhub6 at usb6 "Intel OHCI root hub" rev 1.00/1.00 addr 1
usb7 at ohci5: USB revision 1.0
uhub7 at usb7 "Intel OHCI root hub" rev 1.00/1.00 addr 1
ppb2 at pci0 dev 24 function 0 "Intel E600 PCIE" rev 0x00
pci3 at ppb2 bus 3
ppb3 at pci3 dev 0 function 0 "IDT 89HPES4T4" rev 0x0e
pci4 at ppb3 bus 4
ppb4 at pci4 dev 2 function 0 "IDT 89HPES4T4" rev 0x0e
pci5 at ppb4 bus 5
em0 at pci5 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00:
msi, address 00:00:24:ce:78:c8
ppb5 at pci4 dev 3 function 0 "IDT 89HPES4T4" rev 0x0e
pci6 at ppb5 bus 6
em1 at pci6 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00:
msi, address 00:00:24:ce:78:c9
ppb6 at pci4 dev 4 function 0 "IDT 89HPES4T4" rev 0x0e
pci7 at ppb6 bus 7
ppb7 at pci0 dev 25 function 0 "Intel E600 PCIE" rev 0x00
pci8 at ppb7 bus 8
ppb8 at pci8 dev 0 function 0 "IDT 89HPES4T4" rev 0x0e
pci9 at ppb8 bus 9
ppb9 at pci9 dev 2 function 0 "IDT 89HPES4T4" rev 0x0e
pci10 at ppb9 bus 10
em2 at pci10 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00:
msi, address 00:00:24:ce:78:ca
ppb10 at pci9 dev 3 function 0 "IDT 89HPES4T4" rev 0x0e
pci11 at ppb10 bus 11
em3 at pci11 dev 0 function 0 "Intel PRO/1000 MT (82574L)" rev 0x00:
msi, address 00:00:24:ce:78:cb
ppb11 at pci9 dev 4 function 0 "IDT 89HPES4T4" rev 0x0e
pci12 at ppb11 bus 12
ppb12 at pci0 dev 26 function 0 "Intel E600 PCIE" rev 0x00
pci13 at ppb12 bus 13
pcib0 at pci0 dev 31 function 0 "Intel E600 LPC" rev 0x00
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ti16750, 64 byte fifo
com0: console
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
mtrr: Pentium Pro MTRR support
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
root on sd0a (6f7eea6d7ce558a6.a) swap on sd0b dump on sd0b
syncing disks...
On Thu, Jun 28, 2012 at 10:26 AM, Greg Troxel <[email protected]> wrote:
>
>
> On a net5501 with NetBSD 5.1_STABLE (not what you asked, but close
> enough to be interesting :-), I get
>
> gdt 2 ~ > dd if=/dev/rwd0d of=/dev/null bs=128k
> ^C1747+0 records in
> 1747+0 records out
> 228982784 bytes transferred in 8.162 secs (28054739 bytes/sec)
>
> This is with a very old PATA drive, circa 2003 I think:
>
> viaide0 at pci0 dev 20 function 2
> viaide0: Advanced Micro Devices CS5536 IDE Controller (rev. 0x01)
> viaide0: bus-master DMA support present
> viaide0: primary channel wired to compatibility mode
> viaide0: primary channel interrupting at irq 14
> atabus0 at viaide0 channel 0
> viaide0: secondary channel wired to compatibility mode
> viaide0: secondary channel ignored (disabled)
> wd0 at atabus0 drive 0: <FUJITSU MHT2040AT>
> wd0: drive supports 16-sector PIO transfers, LBA addressing
> wd0: 38154 MB, 77520 cyl, 16 head, 63 sec, 512 bytes/sect x 78140160
> sectors
> wd0: 32-bit data port
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> wd0(viaide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using
> DMA)
>
> but still 28 MB/s seems slow, even for an old notebook drive. So I
> wonder if the controller is maxing out before the drive.
>
> (I'm still not sure if you are using dd to a file in the filesystem, or
> if you're talking about using the raw device as I did above.)
>
> What are other people seeing with PATA and SATA drives?
>
> Can you post your dmesg?
--
Guy Hunter
Reteq
Ph. 1300 550 571
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