2.0的U盘拷贝速度惊人的慢
发表于 : 2008-04-27 1:01
只有1.1的速度,lsmod:
usbcore 146028 6 usb_storage,libusual,usbhid,ehci_hcd,ohci_hcd
2.0的驱动ehci_hcd是加载了,dmesg:
[ 4472.311092] usb 4-1: new high speed USB device using ehci_hcd and address 4
[ 4472.444450] usb 4-1: configuration #1 chosen from 1 choice
[ 4473.132680] usbcore: registered new interface driver libusual
[ 4473.186770] Initializing USB Mass Storage driver...
[ 4473.188404] scsi2 : SCSI emulation for USB Mass Storage devices
[ 4473.189994] usbcore: registered new interface driver usb-storage
[ 4473.190000] USB Mass Storage support registered.
[ 4473.190958] usb-storage: device found at 4
[ 4473.190961] usb-storage: waiting for device to settle before scanning
[ 4478.182017] usb-storage: device scan complete
[ 4478.182883] scsi 2:0:0:0: Direct-Access USB2.0 Flash Disk 2.10 PQ: 0 ANSI: 2
[ 4478.194837] sd 2:0:0:0: [sdb] 4125688 512-byte hardware sectors (2112 MB)
[ 4478.195459] sd 2:0:0:0: [sdb] Write Protect is off
[ 4478.195462] sd 2:0:0:0: [sdb] Mode Sense: 0b 00 00 08
[ 4478.195465] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[ 4478.198079] sd 2:0:0:0: [sdb] 4125688 512-byte hardware sectors (2112 MB)
[ 4478.198701] sd 2:0:0:0: [sdb] Write Protect is off
[ 4478.198705] sd 2:0:0:0: [sdb] Mode Sense: 0b 00 00 08
[ 4478.198707] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[ 4478.198712] sdb: sdb1
[ 4478.199560] sd 2:0:0:0: [sdb] Attached SCSI removable disk
[ 4478.199600] sd 2:0:0:0: Attached scsi generic sg2 type 0
2.0的U盘也认出来了,可是速度就是这么慢。7.10好像没这么慢,8.04就慢了,以前用gentoo也很快,谁能帮我吗?
usbcore 146028 6 usb_storage,libusual,usbhid,ehci_hcd,ohci_hcd
2.0的驱动ehci_hcd是加载了,dmesg:
[ 4472.311092] usb 4-1: new high speed USB device using ehci_hcd and address 4
[ 4472.444450] usb 4-1: configuration #1 chosen from 1 choice
[ 4473.132680] usbcore: registered new interface driver libusual
[ 4473.186770] Initializing USB Mass Storage driver...
[ 4473.188404] scsi2 : SCSI emulation for USB Mass Storage devices
[ 4473.189994] usbcore: registered new interface driver usb-storage
[ 4473.190000] USB Mass Storage support registered.
[ 4473.190958] usb-storage: device found at 4
[ 4473.190961] usb-storage: waiting for device to settle before scanning
[ 4478.182017] usb-storage: device scan complete
[ 4478.182883] scsi 2:0:0:0: Direct-Access USB2.0 Flash Disk 2.10 PQ: 0 ANSI: 2
[ 4478.194837] sd 2:0:0:0: [sdb] 4125688 512-byte hardware sectors (2112 MB)
[ 4478.195459] sd 2:0:0:0: [sdb] Write Protect is off
[ 4478.195462] sd 2:0:0:0: [sdb] Mode Sense: 0b 00 00 08
[ 4478.195465] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[ 4478.198079] sd 2:0:0:0: [sdb] 4125688 512-byte hardware sectors (2112 MB)
[ 4478.198701] sd 2:0:0:0: [sdb] Write Protect is off
[ 4478.198705] sd 2:0:0:0: [sdb] Mode Sense: 0b 00 00 08
[ 4478.198707] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[ 4478.198712] sdb: sdb1
[ 4478.199560] sd 2:0:0:0: [sdb] Attached SCSI removable disk
[ 4478.199600] sd 2:0:0:0: Attached scsi generic sg2 type 0
2.0的U盘也认出来了,可是速度就是这么慢。7.10好像没这么慢,8.04就慢了,以前用gentoo也很快,谁能帮我吗?