[asterisk-users] Asterisk crash on core show channel

[Patrick Wakano]

Thanks for you answer Marcus,
So maybe this means some bug was fixed? Anyone aware of something related?
>From the release notes, I couldn't find any direct change that could fix
this....

Thanks,
Kind regards,
Patrick Wakano

On 21 February 2018 at 20:29, Marcus Kvarsell <Marcus.Kvarsell at fogwise.se>
wrote:

> Hello, i found upgrading to asterisk 15 helped.
>
>
>
> *Från:* asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] *För *Patrick Wakano
> *Skickat:* den 21 februari 2018 04:29
> *Till:* Asterisk Users Mailing List - Non-Commercial Discussion <
> asterisk-users at lists.digium.com>
> *Ämne:* [asterisk-users] Asterisk crash on core show channel
>
>
>
> Hello Asterisk list,
>
> I am facing some Asterisk crashes which are consistently pointing to the
> same backtrace, which is the following (using DONT_OPTIMIZE,
> BETTER_BACKTRACES and MALLOC_DEBUG):
> Thread 1 (Thread 0x7f1f08be8700 (LWP 1767)):
> #0  0x00007f1f9bed3395 in __strcasecmp_l_sse42 () from /lib64/libc.so.6
> #1  0x00000000004a91ca in cdr_object_get_by_name_cb ()
> #2  0x0000000000463c60 in internal_ao2_traverse ()
> #3  0x0000000000463fc3 in __ao2_callback ()
> #4  0x00000000004a9b7d in cdr_object_get_by_name ()
> #5  0x00000000004a9d80 in ast_cdr_serialize_variables ()
> #6  0x00000000004de411 in handle_showchan ()
> #7  0x00000000004e15a5 in ast_cli_command_full ()
> #8  0x00000000004e175b in ast_cli_command_multiple_full ()
> #9  0x0000000000455246 in netconsole ()
> #10 0x000000000060f192 in dummy_start ()
> #11 0x00007f1f9cd3b9d1 in start_thread () from /lib64/libpthread.so.0
> #12 0x00007f1f9be908fd in clone () from /lib64/libc.so.6
>
> So this happens after issuing a "core show channel <channel>". This
> command is being executed by one script that periodically checks the
> channels and some of its variables. Thing is that sometimes the channel has
> something which causes this crash (happens around 2 times per month). Does
> anyone have any idea of what may be happening/wrong?
> I am running Asterisk version 13.6.0 on CentOS 6.6 kernel
> 2.6.32-504.el6.x86_64 and on CentOS 6.9 kernel 2.6.32-696.el6.x86_64.
>
> Any idea is very appreciated!
>
> Best regards,
>
> Patrick Wakano
>
>
>
>
>
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