Re: [microblaze-uclinux] uClinux demo freezes

[Aaron Rasmussen <aaron.rasmussen@xxxxxxx>]

Thanks for your help.

We were using MDM, but it also seems the kernel image we
wrote to flash was corrupted somehow. After switching to 2
serial ports and reloading the demo image, everything works great!

Raj Nagarajan wrote:

> Hi Aaron,
>
> Do you have xmdstub in your download.bit and are you using MDM to 
> communicate with Microblaze ?
>
> The xmdstub clears the BIP flag when it is executed. When you download 
> and run uclinux from MDM, the kernel will not receive timer interrupt. 
> Hence it would stall at the below line...
>
> Try having a simple bootloop in download.bit..
>
> - Raj
>
> Aaron Rasmussen wrote:
>
>> Hi everyone,
>>
>> I'm new to the list, just trying to get the uClinux demo up and 
>> running. I am able to start the image from RAM, but it always freezes 
>> when it get to the line "calibrating delay loop..."
>>
>> Has anyone else run into this problem and know of a fix/workaround?
>>
>
>
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>

-- 
|Aaron Rasmussen
|Brigham Young University
|office phone: 378-9313
|email: aaron.rasmussen@byu.edu

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