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.
Cheers KG On Mon, Feb 20, 2012 at 11:36 PM, James Cameron <qu...@laptop.org> 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. http://wiki.laptop.org/go/Forth_Lesson_23#read_a_.zd_file > > -- > James Cameron > http://quozl.linux.org.au/ >
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