Re: Pandaboard boot problem

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On Fri, Feb 4, 2011 at 2:53 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> * Jean Pihet <jean.pihet@xxxxxxxxxxxxxx> [110201 10:29]:
>> Hi!
>>
>> I have a problem with a Pandaboard hanging a few seconds after the
>> kernel boot, likely due to the watchdog firing.
>> The kernel boots fine, mounts the root FS (initramfs) and the shell
>> prompt works OK.
>>
>> Board details: Panda A1, OMAP4430 ES2
>> Kernel details: l-o tree master, using the omap2plus_defconfig +
>> initramfs. WDOG is enabled in the config.
>>
>> From some investigation I can see that PM runtime disables the wdog
>> (omap_device_idle). Is that intented?
>>
>> Any thought?
>
> Does it power down after few tens of seconds?
Yes

> If so, I've seen this same issue few times after having my panda
> powered off for a while, for example over the weekend.
>
> What I've noticed is that leaving just u-boot prompt running
> for a few minutes cures the problem somehow.. After that the
> kernel will boot just fine.
Unfortunately that is not helping.
I am still investigating. For the moment the pandaboard is pretty useless ;(

>
> Regards,
>
> Tony

Regards,
Jean
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