Date: Thu, 15 Feb 2007 19:12:40 +0100 From: Ivan Voras <ivoras@fer.hr> To: freebsd-stable@freebsd.org Subject: Re: Very slow umass in 6.2-RC2 Message-ID: <er27qr$iq7$1@sea.gmane.org> In-Reply-To: <20070215174102.GA10821@crete.org.ua> References: <20070215174102.GA10821@crete.org.ua>
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[-- Attachment #1 --] Alexander Shikoff wrote: > 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. 1400/1800=0.77... which looks suspiciously like the rate I get while copying over USB 1 port. What does "iostat 1" say while you're copying the file? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFF1KKYldnAQVacBcgRAmYdAKDtm0CICVbOqYclxgDYhK+9uwuE8QCeO/Ow 7C0hqzjeBZr04al7cuF1dYs= =fPyA -----END PGP SIGNATURE-----
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