> On Sep 23, 2015, at 06:54 , Robert Nelson <[email protected]> wrote:
> 
> On Wed, Sep 23, 2015 at 3:58 AM, Rick Mann <[email protected]> wrote:
>> I accidentally set uname_r to something bad in /boot/uEnv.txt. It took me an 
>> hour to figure out what U-boot was doing and to painstakingly re-create 
>> that, fixing uname_r and then booting the system.
>> 
>> Is there an easy way to override uname_r in /boot/uEnv.txt on the eMMC (or 
>> dtb)?
> 
> For these types of mistakes, just plug in the usb otg connector.  On
> failure to find the *.dtb/zImage etc from a mistype uname_r the eMMC
> "should" show up as a usb flash device on the host pc..

Is that the full-size host port on the SD card end? I forgot to try that, since 
I had a wifi dongle in there. The mini port on the Ethernet end just gave me a 
USB gadget.

>> Also, how do you set really long environment variable values via the serial 
>> console in U-boot?
> 
> very carefully... copy from gedit/kate..

Haha okay.

-- 
Rick Mann
[email protected]


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