On 16 March 2012 04:14, Sachin Kamat <sachin.ka...@linaro.org> wrote:
> 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) > > For http access, http://git.linaro.org/gitweb?p=landing-teams/working/samsung/kernel.git;a=summary > 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 >
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