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https://issues.apache.org/jira/browse/MYNEWT-172?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gordon Chaffee updated MYNEWT-172:
----------------------------------
    Summary: gdb debugging of sim target on Linux is challenging  (was: 
Debugging sim target on Linux is challenging)

> gdb debugging of sim target on Linux is challenging
> ---------------------------------------------------
>
>                 Key: MYNEWT-172
>                 URL: https://issues.apache.org/jira/browse/MYNEWT-172
>             Project: Mynewt
>          Issue Type: Bug
>          Components: OS
>    Affects Versions: v0_8_0_beta1
>         Environment: Linux ubuntu 3.13.0-77-generic (Ubuntu 14.04)
>            Reporter: Gordon Chaffee
>
> When using gdb to debug, step over works unreliably the context switches in 
> the middle of the execution. This is on a Linux system. Example:
> gdb ./project/slinky/bin/slinky/slinky.elf
> (gdb) b log_nmgr_append
> Breakpoint 1 at 0x804a275: file log_nmgr.c, line 144.
> (gdb) run
> Breakpoint 1, log_nmgr_append (njb=0x806a5c0 <nmgr_task_jbuf>) at 
> log_nmgr.c:144
> 144   {
> (gdb) n
> 145       char msg_str[256] = {0};
> (gdb) n
> Warning:
> Cannot insert breakpoint 0.
> Cannot access memory at address 0x34e37066
> 0xf7e3d1d1 in siglongjmp () from /lib32/libc.so.6
> (gdb) 



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