Re: usb/149934: Transcend JetFlash V85 poor performance

2011-12-30 Thread Volodymyr Kostyrko
The following reply was made to PR usb/149934; it has been noted by GNATS.

From: Volodymyr Kostyrko c.kw...@gmail.com
To: bug-follo...@freebsd.org, freebsd-usb@FreeBSD.org
Cc:  
Subject: Re: usb/149934: Transcend JetFlash V85 poor performance
Date: Fri, 30 Dec 2011 15:50:06 +0200

 I think this one is MFC'ed into RELENG_8 long time ago. Can we close the PR?
 
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Re: usb/149934: Transcend JetFlash V85 poor performance

2011-12-30 Thread Volodymyr Kostyrko

I think this one is MFC'ed into RELENG_8 long time ago. Can we close the PR?

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cherry keyboard issue

2011-12-30 Thread Paul Douglas
I recently posted a query on the peripheral hardware forum about a problem
I was having with a Cherry G84-4100 USB keyboard that would not work on my
desktop PC but would work on other computers, including my laptop which has
same version of FreeBSD on it.  The thread can be found here:

http://forums.freebsd.org/showthread.php?t=28503

The final reply, from wblock, was that the problem was a USB one and should
be posted here.

In fact, I decided to leave it and just use another keyboard.  However,
Santa kindly brought me a Cherry G80-3000 for christmas and this does nor
work either; exactly the same problem occurs with the device not recognised.

These are quite expensive keyboards: not at DAS or Filco prices but
retailing for over £60 in UK and using expensive Cherry switches, so not
some bit of cheap junk that might not cause all that much surprise by not
working.  They are also quite popular so it's hard to believe I'm the only
person using one.

I have got it to work by connecting it to the PS/2 port via an adaptor so
it's not the end of the world.  However, these are unlikely to be supported
for much longer so it would be better if it would work via USB port.  As I
said in the original forum posting, every other USB keyboard I have tried
has worked, both from boot and hot plugged.  This is the only time I have
ever used a PS/2 connection.

I can only assume it is something to do with whatever controller Cherry use
within the keyboards.

Is there any way I can solve this problem?

O/S is FreeBSD 9.0 RC1 amd64.  (I would leave this till running the final
production version except that the other Cherry keyboard would work with
the laptop running exact same O/S).  In case it matters, the motherboard is
a Abit - not sure of exact model but it is 2 or 3 years old.

Thanks

Paul
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Re: umass regression

2011-12-30 Thread Bartosz Fabianowski

Could you check this with the Rock-box developers first!


The bug was in Rockbox indeed. It turns out that the Rockbox USB stack 
was expecting to receive a reset command as part of the USB 
initialization sequence. Linux, Windows and OS X all issue one. FreeBSD 
does not. Hence, Rockbox was misbehaving under FreeBSD only. I made a 
patch [1] that I hope will be committed soon.


- Bartosz

[1] http://www.rockbox.org/tracker/task/12497
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Re: umass regression

2011-12-30 Thread Bartosz Fabianowski
With USB_DEBUG, I see that da0 has the NO_SYNCHRONIZE_CACHE set. But I 
still have no idea where the second umass device is gone that used to 
show up in 8-STABLE :(. Is there any other debug option I could enable 
to chase after that? I see no trace of another umass or even a ugen device.


- Bartosz

Here is the output I get now:

ugen1.3: vendor 0x091e at usbus1
umass0: vendor 0x091e product 0x23c0, class 0/0, rev 1.10/5.09, addr 3 
on usbus1

umass0:  SCSI over Bulk-Only; quirks = 0x4000
umass0:3:0:-1: Attached to scbus3
da0 at umass-sim0 bus 0 scbus3 target 0 lun 0
da0: Garmin GARMIN Flash 1.00 Removable Direct Access SCSI-5 device
da0: 1.000MB/s transfers
da0: 934MB (1912832 512 byte sectors: 64H 32S/T 934C)
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Re: cherry keyboard issue

2011-12-30 Thread Julian H. Stacey
Paul Douglas wrote:
 I recently posted a query on the peripheral hardware forum about a problem

It's not always software at fault ...

Did you measure the current each keyboard uses ?  They do vary a
lot.  The PS2 mini keyboard I'm using uses 46 mA, other PS2 full
sizers on shelf here pull 63  70  83, another mini PS2 here pulls
88 mA, one PS2 I recall pulled 150 or so  was troublesome on some
PCs so I dumped it.

Then add whatever a USB to PS2 converter draws.

I havent measued what my one USB2 keyboard drawa. Or my USB to PS2
or PS2 to USB converters.

I went through various other kit   wrote cconsumption under devices.

USB-2 is spec'd at 0.5 Amp, but I suspect some sockets (on PCs  hubs)
dont deliver enough  some devs (disks) obviously draw 0.7+
 need doubler cables. Keyboards shouldnt be near 0.5A but
conside dried out electolytic capacitors on USB power supplies etc.

Certainly seen that on hubs  transformer (for USB  ethernet)

Cheers,
Julian
-- 
Julian Stacey, BSD Unix Linux C Sys Eng Consultants Munich http://berklix.com
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