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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