[jira] [Resolved] (MYNEWT-708) Lock scheduler during init

["Christopher Collins (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MYNEWT-708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christopher Collins resolved MYNEWT-708.
----------------------------------------
    Resolution: Won't Fix

Resolving this; MYNEWT-463 is more appropriate.

> Lock scheduler during init
> --------------------------
>
>                 Key: MYNEWT-708
>                 URL: https://issues.apache.org/jira/browse/MYNEWT-708
>             Project: Mynewt
>          Issue Type: Bug
>      Security Level: Public(Viewable by anyone) 
>            Reporter: Christopher Collins
>            Assignee: Christopher Collins
>             Fix For: v1_1_0_rel
>
>
> Now that main() runs after the OS is started, tasks may preempt the main task as soon as they are created.  If such a task expects all packages to have been initialized, then a crash or other unpredictable behavior will occur.
> Here is an example crash that happens when the BLE link layer task runs before the host package is fully initialized:
> {noformat}
> Program received signal SIGTRAP, Trace/breakpoint trap.
> __assert_func (file=<optimized out>, line=<optimized out>, func=<optimized out>, e=<optimized out>) at kernel/os/src/arch/cortex_m4/os_fault.c:137
> 137            asm("bkpt");
> (gdb) whe
> #0  __assert_func (file=<optimized out>, line=<optimized out>, func=<optimized out>, e=<optimized out>) at kernel/os/src/arch/cortex_m4/os_fault.c:137
> #1  0x00019f2e in ble_hci_trans_ll_evt_tx (hci_ev=<optimized out>) at net/nimble/transport/ram/src/ble_hci_ram.c:91
> #2  0x0000ea5e in ble_ll_hci_send_noop () at net/nimble/controller/src/ble_ll_hci.c:106
> #3  0x0000a438 in ble_ll_task (arg=<optimized out>) at net/nimble/controller/src/ble_ll.c:1008
> #4  0x00000000 in ?? ()
> {noformat}



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