Julian Elischer wrote:
> make sure you have all the debugging turned off.
> there is a LOT of debugging..
> at the moment.
well, this was my first attempt. it did not work. even if i
disable INVARIANTS, WITNESS and USB_DEBUG completely it is
still slow as hell :(
PC-CARD driver works just fine and get 50-60 KBytes/sec even
with all debug stuff enabled. so there should be another
> On Tue, 27 Aug 2002, Maksim Yevmenkin wrote:
> > Hackers,
> > I'm currently testing my Bluetooth code for FreeBSD on recent
> > -current. After i upgraded to recent current from current-DP1
> > i'm experiencing a major slowdown in USB device speed.
> > On current-DP1 the USB device was able to handle about 50-60
> > KBytes/sec. On recent -current _the_same_ device driver can
> > only do 11-12 KBytes/sec :(
> > Another driver (PC-CARD) connected to my Bluetooth stack
> > can do 50-60 KBytes/sec (sending/receiving) - so it is
> > not a Bluetooth stack itself. Also the same USB device
> > connected to Linux box can do 50-60 KBytes/sec - so it is not
> > a USB device itself.
> > The problem only exists when i connect USB device to -current
> > FreeBSD box. I suspect that problem could be in:
> > a) USB device driver
> > b) USB stack itself
> > c) someplace else?
> > Does anyone have a similar problems? I'm slowly going though
> > the diff's between DP1 USB code and -current USB code, but
> > may be someone can give me a clue.
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