Re: Oracle 12.2 on SLES12 - How to disable Hardware Lock Elision

Great info, thanks!

-- 
Martin Klier | Performing Databases GmbH 
Managing Partner | Senior DB Consultant 
Oracle ACE 

martin.klier_at_performing-db.com | https://www.performing-databases.com 



> Von: "Tanel Poder" <tanel_at_tanelpoder.com>

> An: "martin klier" <martin.klier_at_performing-db.com>


> CC: "oracle-l" <oracle-l_at_freelists.org>

> Gesendet: Samstag, 15. Juli 2017 04:02:09

> Betreff: Re: Oracle 12.2 on SLES12 - How to disable Hardware Lock Elision




> There was a bug with TSX in some earlier CPU versions:





> http://www.pcworld.com/article/2464880/intel-finds-specialized-tsx-enterprise-bug-on-haswell-broadwell-cpus.html


> https://bugzilla.redhat.com/show_bug.cgi?id=1406791





> Tanel





> On Mon, Jul 10, 2017 at 3:30 PM, Martin Klier - Performing Databases GmbH <


> martin.klier_at_performing-db.com > wrote:



>> Hi Listers,

>> again a nice finding about Oracle 12.2 - this time in combination with SLES12
>> and a cheap E5 CPU. Somehow (I still can't explain why) I can't use Intel's TSX
>> (Transactional Synchronization Extensions) there, and thus, the Oracle Binaries
>> using libpthread will fail.

>> What I did about it, is in this blog:
>> http://www.usn-it.de/index.php/2017/07/10/oracle-rac-12r2-on-sles12-how-to-disable-hardware-lock-elision-support/

--
http://www.freelists.org/webpage/oracle-l