Very slow umass in 6.2-RC2
Alexander Shikoff
minotaur at crete.org.ua
Wed Feb 21 15:38:58 UTC 2007
On Fri, Feb 16, 2007 at 11:56:42AM +0800, Wang Yi wrote:
> On Fri, 16 Feb 2007 01:41:02 +0800, Alexander Shikoff
> <minotaur at crete.org.ua> wrote:
>
> >
> >Hello,
> >
> >I have Apacer Flash:
> >
> >umass0: vendor 0x1005 USB FLASH DRIVE, rev 2.00/1.00, addr 2
> >da0 at umass-sim0 bus 0 target 0 lun 0
> >da0: < USB FLASH DRIVE 34CH> Removable Direct Access SCSI-0 device
> >da0: 40.000MB/s transfers
> >da0: 3936MB (8060928 512 byte sectors: 255H 63S/T 501C)
> >
> >Writing to this device is very slooooow.
> >
> >Time taken to copy file of 1,4G is near 30 min.
> >
> >Can anybody help? Thanks.
> >
>
> Did you try it under Windows? How time does it spend?
You may laugh but I have no Windows-based boxes with USB 2.0... :)
Whatever it seems that this Apacer flash drive under Windows and USB 1.0
is faster than under FreeBSD and USB 2.0...
Soon I will have a possibility to compare Apacer 4GB with Transcend
flash. I'll report detailed results here.
--
Kind Regards, Alexander Shikoff
minotaur at crete.org.ua
Mob.: +380 67 946 31 49
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