Genesys USB hard disk, 1 MB/s on USB 2.0?

Palle Girgensohn girgen at FreeBSD.org
Tue Dec 11 06:07:45 PST 2007


Hi!

Fresh install of FreeBSD-6.3RC1 on a reasonalby fresh Dell machine.

Hooked up a USB 2.0 hard disk, and I get terrible performance:

umass0: Genesyslogic USB Mass Storage Device, rev 2.00/0.33, addr 2
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <WDC WD25 00JB-55GVC0 0811> Fixed Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 238475MB (488397168 512 byte sectors: 255H 63S/T 30401C)

--

# dd if=/dev/da0 of=/dev/null
^C536821+0 records in
536821+0 records out
274852352 bytes transferred in 3249.941272 secs (84571 bytes/sec)

--

# usbdevs -v
Controller /dev/usb0:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x0000), rev 1.00
 port 1 addr 2: full speed, self powered, config 1, product 0x0702(0x0702), 
vendor 0x05e3(0x05e3), rev 0.33
 port 2 powered
Controller /dev/usb1:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x0000), rev 1.00
 port 1 powered
 port 2 powered

--

# dmesg
Copyright (c) 1992-2007 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 6.3-RC1 #0: Tue Nov 27 00:32:51 UTC 2007
    root at dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
ACPI APIC Table: <DELL   GX150  >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel Pentium III (996.77-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x68a  Stepping = 10
 
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 535785472 (510 MB)
avail memory = 514875392 (491 MB)
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <DELL GX150  > on motherboard
acpi0: Power Button (fixed)
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_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82815 (i815 GMCH) host to PCI bridge> mem 
0xf0000000-0xf3ffffff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xec80-0xecff mem 
0xfafffc00-0xfafffc7f irq 18 at device 12.0 on pci2
miibus0: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:b0:d0:f4:7c:fd
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH2 UDMA100 controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port 0xff80-0xff9f 
irq 19 at device 31.2 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port 0xff60-0xff7f 
irq 23 at device 31.4 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on 
acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77f irq 7 on 
acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc87ff,0xc8800-0xcbfff 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
Timecounter "TSC" frequency 996769010 Hz quality 800
Timecounters tick every 1.000 msec
ad0: 38166MB <IC35L040AVER07 0 ER4OA46A> at ata0-master UDMA100
ad1: DMA limited to UDMA33, controller found non-ATA66 cable
ad1: 114473MB <Seagate ST3120026A 3.06> at ata0-slave UDMA33
acd0: CDRW <NEC CD-RW NR-7800A/1.07> at ata1-master UDMA33
Trying to mount root from ufs:/dev/ad0s1a

...




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