* 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html