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Date: Thu, 28 Apr 2011 21:32:35 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Adeos-main] Ipipe hangs on ARM MINI2440 after switching
	clocksource
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To: Alexey Galakhov <agalakhov@domain.hid>
Cc: adeos-main@gna.org

Alexey Galakhov wrote:
> 2011/4/29 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
> 
>>
>> So, have you tried reverting the timer3 patch?
>>
>>
> Yes. After reverting, EVERYTHING stops working correctly (even with ipipe
> off). It is really necessary.
> 
> Now I'm trying to understand the MMC code. Looks like that timers do their
> job correctly, and MMC/SD driver seems to be the source of irq flood. If so,
> it depends on kernel version, not on ipipe version. That is, ipipe seems
> just to trigger a bug in already buggy kernel. Trying to examine it more
> closely. Not sure.

Maybe you can try booting with MMC disabled, to see if the I-pipe is
working? Not permanently, just to confirm that you are not chasing the
wrong bug.

-- 
                                                                Gilles.