[Olsr-dev] olsrd2 / coredump

[Henning Rogge]

Hi Basti,

REALLY good to hear that a few people are still testing the software.

you sound like you can reproduce this problem, can you maybe compile a
version of olsrd2 with debug information. The backtrace is very short (rest
of it is missing) and doesn't say anything useful.

Henning

On Wed, Nov 23, 2016 at 11:42 AM, Bastian Bittorf <(spam-protected)> wrote:

> dear hard working coders!
>
> first of all: greeting from the biggest
> olsrd2-testnet in the world 8-) with 70 real nodes.
>
> and: what is the best place for such reports?
> for now i have this on different platforms
> with recent LEDE and v0.13.0-4-gfc4e019
>
> (spam-protected):~/ledebot/source 8( scripts/remote-gdb
> r1002299.ramips.olsrd2.2277.11.1479896246.core
> build_dir/target-mipsel_24kc_musl-1.1.15/root-ramips/usr/sbin/olsrd2
> Using target mipsel_24kc (musl-1.1.15)
> GNU gdb (GDB) 7.12
> Copyright (C) 2016 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show
> copying"
> and "show warranty" for details.
> This GDB was configured as "--host=x86_64-linux-gnu
> --target=mipsel-openwrt-linux-musl".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from
> build_dir/target-mipsel_24kc_musl-1.1.15/root-ramips/usr/sbin/olsrd2...(no
> debugging symbols found)...done.
> [New LWP 2277]
> warning: Can't read pathname for load map: Unknown error -1.
> Core was generated by `/usr/sbin/olsrd2 --set global.fork=true --load
> uci:///var/run/olsrd2_dev'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  free (p=0x77db92b0) at src/malloc/malloc.c:450
> 450             if (IS_MMAPPED(self)) {
> (gdb) bt full
> #0  free (p=0x77db92b0) at src/malloc/malloc.c:450
>         self = 0x77db92a8
>         next = <optimized out>
>         final_size = <optimized out>
>         new_size = <optimized out>
>         size = <optimized out>
>         reclaim = 0
> #1  0x0042a881 in netaddr_acl_remove ()
> No symbol table info available.
> #2  0x0040b255 in oonf_packet_free_managed_config ()
> No symbol table info available.
> warning: GDB can't find the start of the function at 0x40c358.
>
>     GDB is unable to find the start of the function at 0x40c358
> and thus can't determine the size of that function's stack frame.
> This means that GDB may be unable to access that stack frame, or
> the frames below it.
>     This problem is most likely caused by an invalid program counter or
> stack pointer.
>     However, if you think GDB should simply search farther back
> from 0x40c358 for code which looks like the beginning of a
> function, you can increase the range of the search using the `set
> heuristic-fence-post' command.
> #3  0x0040c359 in ?? ()
> No symbol table info available.
> (gdb)
>
>
> --
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