2013/4/19 Marcin Haba <ganius...@gmail.com>:
> 2013/4/17 Ana Emília Machado de Arruda <emiliaarr...@gmail.com>:
>> Hello,
>>
>> I´m trying to run a console command from an admin job and this is crashing
>> my director. A simple Console = "list jobs", inside a RunScript directive,
>> crashes the director (bacula-dir dead but subsys locked) and it generates a
>> "Bacula GDB traceback of bacula-dir on myDirector" mail.
>>
>> Below is my Admin Job with a "list jobs" console command. My goal is a "list
>> nextvol job=\"my\job\" days=1" command. Tried "list jobs", "list clients",
>> and so on, all of them result in the same. When it runs on client side this
>> does not happen. When I enter bconsole after restarting bacula, I get the
>> messages:
>>
>> 17-Apr 17:24 myDirector-dir JobId 17821: console command: run BeforeJob
>> "list jobs"
>> 17-Apr 17:24 myDirector-dir JobId 0: Automatically selected Catalog:
>> MyCatalog
>> 17-Apr 17:24 myDirector-dir JobId 0: Using Catalog "MyCatalog"
>>
>
> Hi,
>
> I have the same result as yours. After adding listing command as
> runscript console command, Bacula throws segmentation violation.
>
> I researched this problem. It seems that in:
> /usr/src/bacula-5.2.12-new/src/cats/sql.c lines 636-642:
>
> Dmsg0(800, "list_result finished first loop\n");
> if (type == VERT_LIST) {
> goto vertical_list;
> }
>
> Dmsg1(800, "list_result starts second loop looking at %d fields\n",
> num_fields);
> list_dashes(mdb, send, ctx);
> ^^^
> variable ctx is broken, so it is not able to run list_dashes() without error.
>
> It looks like runscript directives were designed for run shell
> scripts/programs or bconsole commands which do not show results in
> tabular output. It makes sense.
>
> Summing, you found bug in Bacula.
>
> I prepared patch for this. It blocks running bconsole output for
> runscript. It works for me but I am not C++ programmer. Finally it
> does not cause segmentation violation and Director crash. I am
> attaching it to this message.
>
> For your solution I think that better will be to put your bconsole
> requests in a shell script.
>
> Regards,
> Marcin Haba (gani)
Hi,
I forgot about an important thing. Can you request this bug in Bacula
BugTracker? I think that Bacula developers should know about this bug
and I am sure that they will prepare better solution for this then my
solution.
Thanks.
Marcin Haba (gani)
--
"Większej miłości nikt nie ma nad tę, jak gdy kto życie swoje kładzie
za przyjaciół swoich." Jezus Chrystus
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