Hi, On 15/03/2012, Mans Rullgard <mans.rullg...@linaro.org> wrote: > On 14 March 2012 20:04, Jannis Pohlmann <jannis.pohlm...@codethink.co.uk> > wrote: >> Hi, >> >> I am currently playing with a couple of the development boards for which >> there are Linaro hwpacks and LEBs. Since what I am trying to do requires >> a lot of disk and network I/O, I've been paying special attention to the >> data transfer rates I can get out of these boards. >> >> Below is a brief summary of my findings. >> >> 3) Origen >> >> * the internal USB hub runs at Full Speed (12 MBit/s), resulting in a >> maximum USB disk I/O of 1.5 MByte/s >> >> * since the board does not feature Ethernet itself, I tried to attach >> a USB Ethernet controller to it, but of course the transfer rate >> through that is by the I/O upper limit of the USB hub >> >> * I did not test wireless but it is not feasible for what I am trying >> to do anyway > > Which kernel version are you using on the Origen? I noticed the same > problem > a while back, but it appears to have been fixed in the Samsung landing team > tree. There is still another bug present in the Origen kernel preventing > USB-ethernet working with EHCI. Some patches have been posted, but they > have > not made it into the trees yet.
These patches have been added to Samsung LT tree [1]. [1] git://git.linaro.org/landing-teams/working/samsung/kernel.git (branch: tracking) Search the mailing lists for s5p usb burst > to find them. > > -- > Mans Rullgard / mru > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev > -- With warm regards, Sachin _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
