On Sun, Mar 18, 2012 at 4:35 PM, Axis Mann <email address hidden> wrote:
> The packages located at link
>
> http://kernel.ubuntu.com/~ming/bugs/624510/lucid-40.87-release/
>
> were tested and failed to correct the original Slow USB Read. The read spead reverted
> to 5 MB/s after those changes were installed and computer rebooted.
Exactly, that is just what I expected, and now I am sure that it is
the below commit
commit 004c19682884d4f40000ce1ded53f4a1d0b18206 upstream
[PATCH] USB: EHCI: go back to using the system clock for QH unlinks
Axis,
On Sun, Mar 18, 2012 at 4:35 PM, Axis Mann <email address hidden> wrote: kernel. ubuntu. com/~ming/ bugs/624510/ lucid-40. 87-release/
> The packages located at link
>
> http://
>
> were tested and failed to correct the original Slow USB Read. The read spead reverted
> to 5 MB/s after those changes were installed and computer rebooted.
Exactly, that is just what I expected, and now I am sure that it is
the below commit
commit 004c19682884d4f 40000ce1ded53f4 a1d0b18206 upstream
[PATCH] USB: EHCI: go back to using the system clock for QH unlinks
which fixes your performance problem.
Thanks again for your patient tests.