Date: Sun, 14 Sep 2008 04:56:42 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: "Olivier SMEDTS" <olivier@gid0.org> Cc: freebsd-usb@freebsd.org Subject: Re: new usb2 stack : -current patch with mpsafe tty layer available ? Message-ID: <200809140456.43055.hselasky@c2i.net> In-Reply-To: <367b2c980809131744k6e76f862t104af653c5214ae2@mail.gmail.com> References: <367b2c980809121246j16fba781s29c0da806f555ebe@mail.gmail.com> <200809140222.30008.hselasky@c2i.net> <367b2c980809131744k6e76f862t104af653c5214ae2@mail.gmail.com>
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On Sunday 14 September 2008, Olivier SMEDTS wrote: > 2008/9/14 Hans Petter Selasky <hselasky@c2i.net>: > > What does: > > > > dd if=/dev/da0 of=/dev/null bs=65535 > > > > Output for your memory stick? > > [2:24] root@q 173 ~# dd if=/dev/da0 of=/dev/null bs=65535 > dd: /dev/da0: Invalid argument > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000040 secs (0 bytes/sec) > [2:24] root@q 174 ~# dd if=/dev/da0 of=/dev/null bs=64K > 15480+0 records in > 15480+0 records out > 1014497280 bytes transferred in 106.596679 secs (9517157 bytes/sec) > > I'm copying files to it (mount -t msdosfs) at a speed of 4MB/s. > > > Is there a way to know which ports handle USB2.0 (EHCI), and devices > wattage (like with the usbdevs command) ? Before usb2, I had the > following kernel output : Hi, The wattage can be read from the device descriptor. See "bMaxPower" or something like that, which uses 2mA units. I just added a "usbconfig" utility to my SVN repository. The output can probably be better and comments are welcome. The companion printouts are gone :-( --HPS
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