extreamly slow read/write from/to USB stick on 5.1_RC3

To: tech-perform%netbsd.org@localhost
Subject: extreamly slow read/write from/to USB stick on 5.1_RC3
From: Aleksey Cheusov <cheusov%tut.by@localhost>
Date: Sun, 18 Jul 2010 20:37:16 +0300

Several day ago I wrote about slow read operation from my USB stick
on 5.1_RC3/amd64

http://mail-index.netbsd.org/port-amd64/2010/07/12/msg001210.html

Today I tried to write to the same USB stick rather big image, about 700
Mb in side and found that write speed is drammatically slower, about
170Kb/s.  Any clue?

Command is: 

dd if=huge_image.img of=/dev/rsd0d

-- 
Best regards, Aleksey Cheusov.

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