From owner-freebsd-arm@FreeBSD.ORG  Wed Jun 26 18:38:27 2013
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Subject: Re: Problems with Head on RaspberryPi
From: Michael Tuexen <tuexen@freebsd.org>
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Date: Wed, 26 Jun 2013 20:37:57 +0200
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To: Oleksandr Tymoshenko <gonzo@bluezbox.com>
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On Jun 26, 2013, at 7:39 PM, Oleksandr Tymoshenko <gonzo@bluezbox.com> wrote:

> 
> On 2013-06-26, at 10:22 AM, Michael Tuexen <tuexen@freebsd.org> wrote:
> 
>> Dear all,
>> 
>> I have build FreeBSD using the script from
>> https://github.com/daveish/freebsd-arm-tools
>> for a couple of weeks and it worked fine. However,
>> doing this within the last days, compilation and
>> installation works, but the Raspberry Pi doesn't
>> boot. After Starting kernel with NULL args
>> or so, it doesn't show anything else. Normally
>> the FreeBSD boot messages would appear. Does anyone
>> else also see this? Any idea how to get some
>> debug output out of the Raspberry Pi?
> 
> 
> Try disabling INVARIANTS options in the kernel. It seems
> new code in uma_dbg performs atomic ops on the 
> allocated memory and if memory has been remapped as 
> non-cached it causes exception. 
OK. I'll try and report. It may take 24 hours...

Best regards
Michael
> 
>