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List:       linux-rt-users
Subject:    Re: acmesystems Arietta (AT91SAM9G25)
From:       Sebastian Andrzej Siewior <bigeasy () linutronix ! de>
Date:       2016-03-29 13:50:49
Message-ID: 20160329135049.GB13334 () linutronix ! de
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* Grygorii Strashko | 2016-03-04 12:11:34 [+0200]:

>On 03/04/2016 04:00 AM, Jean-Denis Girard wrote:
>>clocksource: Switched to clocksource tcb_clksrc
>>------------[ cut here ]------------
>>WARNING: CPU: 0 PID: 1 at kernel/locking/rtmutex.c:2008
>>Hardware name: Atmel AT91SAM9
>>[<c0317524>] (clk_enable_lock) from [<c03188e8>] (clk_disable+0x1c/0x34)
>Yeah. You can't use CLK framework in atomic context on -RT [1], [2].

The AT91 problems are mostly gone in v4.4.4-rt11. There is one last
free_irq() related warning which will be gone in v4.4.6-rt13.

Sebastian
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