https://devzone.nordicsemi.com/f/nordic-q-a/19935/intermittent-hardfault-crash-in-timer_list_removeI am currently using SDK 12.1.0 and experiencing intermittent HardFault crashes in timer_list_remove() with the stack indicating the origin being a SWI0_IRQHandler call. In order to minimise race-conditions, timing-windows, need for critical sectionsen-USTelligent Community 13Thu, 23 Feb 2017 13:28:15 GMThttps://devzone.nordicsemi.com/thread/77591?ContentTypeID=1Thu, 23 Feb 2017 13:28:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1961b073-b81d-480d-9c76-1ce61ae2b813J&#248;rgen Holmefjord<p>Hi,</p> <p>Your problem seems to be similar to <a href="https://devzone.nordicsemi.com/question/112758/bug-in-app_timer/">this bug</a> in app_timer.</p> <p>Best regards,</p> <p>Jørgen</p><div style="clear:both;"></div>