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Date:      Thu, 22 Feb 2007 10:48:28 +0200
From:      Alexander Shikoff <minotaur@crete.org.ua>
To:        freebsd-stable@FreeBSD.ORG, wangyi6854@sohu.com
Subject:   Re: Very slow umass in 6.2-RC2
Message-ID:  <20070222084828.GA49942@crete.org.ua>
In-Reply-To: <200702220837.l1M8bkMm019881@lurza.secnetix.de>
References:  <20070221153852.GA14376@crete.org.ua> <200702220837.l1M8bkMm019881@lurza.secnetix.de>

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On Thu, Feb 22, 2007 at 09:37:46AM +0100, Oliver Fromme wrote:
> Alexander Shikoff wrote:
>  > Wang Yi wrote:
>  > > Alexander Shikoff wrote:
>  > > > 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.
>  > > 
>  > > 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.
> 
> Are you sure that your USB device supports hi-speed?
http://www.apacer.com/en/products/Handy_Steno_AH320_features.htm

-- 
Kind Regards,	Alexander Shikoff
minotaur@crete.org.ua
Mob.: +380 67 946 31 49



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