libftdi Archives

Subject: Re: FT2232H/MPSSE/JTAG Device Freeze

From: Clifford Wolf <clifford@xxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 8 Oct 2009 12:35:40 +0200
Hi again,

On Wed, Sep 30, 2009 at 08:07:15PM +0200, Clifford Wolf wrote:
> > bash-3.2$ ./jtag-ft2232h  -c
> > [***] my_ftdi_read_data gives up polling.
> > IO Error: FTDI/USB read failed!
> > [***] my_ftdi_read_data gives up polling.
> > IO Error: FTDI/USB read failed!
> > Error while scanning JTAG chain.
> 
> yes. this is the problem I've been talking about..

Just fji: Updating the kernel from 2.6.22.1 to 2.6.31.3 solved the problem
here now. The other PC (my laptop) on which the problem couldn't be
reproduced was running a more or less up to date kernel the whole time. So
I guess that was the problem after all...

yours,
 - clifford

-- 
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