Weird behaviour

Kevin Gordon kgordon420 at
Sat Feb 25 09:42:36 EST 2012

Good Folk:

I think we can close the book on this.  Today, all of the USB ports on one
just stopped working altogether for anything, not even a little mouse when
plugging in gives any result. The second one is now reliably showing in
dmesg that it is running full-speed not high speed.  So, it's h/w.   I have
taken all the nice hints, or the links to the nice hints,  and put them
into my compendium.  They still run beautifully as XO',s, and fine with SD
cards - they're just lacking on the USB side.  I can live with this for two
machines:-)    Thanks everyone for the help.



On Mon, Feb 20, 2012 at 11:36 PM, James Cameron <quozl at> wrote:

> On Tue, Feb 21, 2012 at 12:39:43PM +1100, James Cameron wrote:
> > On an XO-1.75 using null-fsdisk, the fs-update reduced from 5:05 to
> > 4:36, which shows that most of the time cost is the decompression.  The
> > same file read in without decompression [2] cost 1:26.
> That result was using a different method to what fs-update uses, so I
> redid the test with the same method [1].  The result was 27 seconds.
> References:
> 1.
> --
> James Cameron
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