[riot-devel] Unlocking mutex in RTC ISR and thread switching causes HardFault
anon1644072 at gmail.com
Wed Sep 14 21:13:46 CEST 2016
Sure. Here it is: http://pastebin.com/ZGwtZKDd
2016-09-14 21:03 GMT+03:00 Joakim Nohlgård <joakim.nohlgard at eistec.se>:
> Do you have some example code that you can share which triggers this fault?
> Best regards, Joakim
> On Sep 14, 2016 7:50 PM, "Anon Anonymous" <anon1644072 at gmail.com> wrote:
>> I trying to unlock mutex in RTC Alarm ISR and after alarm shoots and
>> mutex is unlocked, the thread switch request is pending. RTC ISR in rtc.c
>> file check that flag and calls thread_yield() to call a scheduler. After
>> PendSV interrupt is triggered, HardFault occurs right after PendSV enabling
>> When the same operations done from for example, TIM interrupt which used
>> by xtimer, context switching goes well.
>>> CFSR: 0x00040000
>>> HFSR: 0x40000000
>> My device is STM32L151.
>> Best regards,
>> devel mailing list
>> devel at riot-os.org
> devel mailing list
> devel at riot-os.org
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