On 3/30/2011 10:58 AM, Michael Widenius wrote:
Hi!
"Lance" == Lance Albertson <lance@osuosl.org> writes: Lance> I've run into another weird problem where MariaDB is segfaulting Lance> and dieing on Gentoo Hardened Linux. I can't figure out if its a weird Lance> situation with my Gentoo environment on the machine or something with Lance> MariaDB itself. I don't have this problem on the other machine running Lance> MariaDB. It seems to happen under load about once or twice a day. I have Lance> a nearly identical machine that doesn't have any of these problems.
Lance> I'm running mariadb-5.1.50 under Hardened Gentoo. The compiled flags are:
Note that under Gentoo Linux, core dumps are disabled by default. The Gentoo approved reference of getting good traces and enabling cores is here: http://www.gentoo.org/proj/en/qa/backtraces.xml
Is there a way we could install a debug binary on the machine in question so that we could be able to debug this?
(We would need a binary compiled with debug + a core to be able to find out what's going on).
The easyest way to get a debug binary is to get the source and compile it with:
./BUILD/compile-pentium-debug-max
and then just copy it over your original mysqld binary.
If you can get us access to the system, we can help you with this.
You can find us at '#maria' channel on freenode if you want to discuss this real time.
Regards, Monty
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