I should amend my previous comment to: "We already have a DHCP server on
our network". So adding yet another DHCP server would play havoc on our
network.


On Wed, Jul 23, 2014 at 1:40 PM, John Syn <[email protected]> wrote:

>
> From: William Hermans <[email protected]>
> Reply-To: "[email protected]" <[email protected]>
> Date: Wednesday, July 23, 2014 at 1:24 PM
> To: "[email protected]" <[email protected]>
> Subject: Re: [beagleboard] Re: TFTP from u-boot: slow and buggy
>
> Yeah, but I'm not loading uboot over the network. Just the kernel and file
> system. Plus that is a guide using Ubuntu for which my instructions wont
> work on. As I used Debian.
>
> One curious thing however, and perhaps I am wrong for loading uboot via a
> network. I do not use or need a dhcp server for my instructions, and am
> thinking a dhcp server is not necessary if you use static IP's. But I am
> not 100% sure where, or how uboot would get its IP from if you're loading
> it via network.
>
> Anyhow, having multiple dhcp servers on the same network can cause
> problems which may be difficult to trace down. Even if they are technically
> on different subnets, Hence why I do not use a BOOTP/DHCP server.
>
> You’re right, since we use u-boot to do TFTP, I’m not sure what Brendan is
> trying to do. On my SDCard, I have MLO, u-boot.img and uEnv.txt.
>
> Regards,
> John
>
>
>
>
> On Wed, Jul 23, 2014 at 1:13 PM, John Syn <[email protected]> wrote:
>
>>
>> From: Brendan Bleker <[email protected]>
>> Reply-To: "[email protected]" <[email protected]>
>> Date: Wednesday, July 23, 2014 at 1:02 PM
>> To: "[email protected]" <[email protected]>
>> Subject: [beagleboard] Re: TFTP from u-boot: slow and buggy
>>
>> Have you got this to work?
>>
>> I've been working on a very similar thing, only I'm trying to load u-boot
>> through TFTP. You may find the following TI wiki useful:
>>
>>
>> http://processors.wiki.ti.com/index.php/Ubuntu_12.04_Set_Up_to_Network_Boot_an_AM335x_Based_Platform
>>
>> At this point I have not got a Network Bootable img file, that is where
>> I'm stuck...
>>
>> William’s instructions are much easier to follow:
>>
>>
>> http://www.embeddedhobbyist.com/debian-tips/beaglebone-black/beaglebone-black-nfs-root/
>>
>> Robert describes the uEnv.txt setup which works great for me.
>>
>> http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0#nfs_support
>>
>> Regards,
>> John
>>
>>
>>
>>
>>
>> On Wednesday, January 8, 2014 8:47:12 AM UTC-8, Lee Crocker wrote:
>>>
>>> I have a setup that loads u-boot onto the BBB over the serial port, and
>>> then tells u-boot to load the .dtb and kernel from a local TFTP server.
>>> Loading the small .dtb file works perfectly (although slowly), and
>>> succeeds. Loading the kernel takes too long, causes lots of retries, and
>>> finally errors out. If I manually get the kernel from that same TFTP server
>>> onto my laptop, it loads in about 11 seconds--over wifi--so the server is
>>> working fine. It's just u-boot's TFTP client that seems to be causing the
>>> errors. I have seen other messages around the net advising changing the
>>> server's block size to 1468, which I did, and telling u-boot to turn dcache
>>> off, which isn't an option anymore, but it still fails.
>>>
>>> Has anyone actually got this working? Which tftp server are you using,
>>> and what parameters? Is there a patch to u-boot that might fix its client?
>>>
>>> --
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