[fedora-arm] Slow USB storage on A9 processors

Jeffrey Bastian jbastian at redhat.com
Mon Sep 12 14:21:52 UTC 2011


On 2011-09-09 12:48, David A. Marlin wrote:
> Peter Robinson wrote:
>> Hey All,
>>
>> I know it was discussed a while ago how the USB storage on PandaBoards
>> was slow, not sure what the resolution was but saw this article on LWN
>> that looks like our problem there for those that might not have seen
>> the post elsewhere and are interested.
>>
>> https://lwn.net/Articles/457145/
>>
> I have built a kernel package for f13 and f15 using Mark's patches.
> They are available from the xpfa repos.
>
>
> http://fedoraproject.org/wiki/Architectures/Fedora_ARM_Kernels#Set_Up_the_Repository
>
> The f15 repo can be set up just like the f13 version by using f15 in the
> path, i.e.:
>
>    sudo yum --nogpgcheck install \
>
> http://dmarlin.fedorapeople.org/packages/FedoraArm/RPMS/noarch/xpfa-15-1.noarch.rpm
>
> If you install (or update) and configure the f15 grubby
> (grubby-7.0.16-5.01.fc15.armv7hl.rpm) it will create the U-Boot images
> for you (as per the instructions mentioned above).
>
> Notes:
>    If you use grubby, be sure to configure /etc/sysconfig/uboot _before_
> installing the kernel.
>    This version of grubby has only been tested on a Panda board (omap)
> and on the Trim Slice (tegra).
>    Be sure to install the correct kernel variant for your system, i.e.:
>       sudo yum --enablerepo=xpfa install kernel-omap        # for Panda
>       sudo yum --enablerepo=xpfa install kernel-tegra         # for Trim
> Slice
>
>
> d.marlin
> ========
>> Peter
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>
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