Re: Slow USB storage on A9 processors

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Quoting David Marlin <dmarlin@xxxxxxxxxx>:

>
> Jeffrey Bastian wrote:
>> 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.
>>
>> I installed the 2.6.40.3-0.fc14.armv7l.omap kernel on my PandaBoard
>> (with Fedora 13) and it boots, but networking seems to be broken.  The
>> interface name has reverted back to usb0 (it was eth0 with 2.6.39) and
>> even with the interface up and configured, I can't ping anything.
>>
>> Do I need to update something else?

Does it work if you statically assign the IP's? (rule out dhclient)

Are these using a nic -> usb device?

udev maybe the culprit? Although I did notice with the 2.6.40 kernel  
on x86 (yeah i know. x86 blah..) you needed something like the onboot,  
nm_controlled, uuid or type in the ifcfg-eth0 file (i forgot exactly  
which.) in order to get it to plumb the device when you activated it  
with ifup eth0.



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