Intermittent high elapsed times reported on wait events in AMD-Based systems Or using NTP / TARDIS (Doc ID 828523.1)

Last updated on JULY 20, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.1.0.7 [Release 10.2 to 11.1]
z*OBSOLETE: Microsoft Windows Server 2003 R2 (64-bit AMD64 and Intel EM64T)
z*OBSOLETE: Microsoft Windows Server 2003 R2 (32-bit)
z*OBSOLETE: Microsoft Windows Server 2008 x64 (AMD64/EM64T)
Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)
Oracle Solaris on x86 (32-bit)
z*OBSOLETE: Microsoft Windows XP (64-bit AMD64 and Intel EM64T)
Microsoft Windows x64 (64-bit)
Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 11.1.0.7
Sun Solaris x86 (32-bit)Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)Microsoft Windows XP (64-bit AMD64 and Intel EM64T)Microsoft Windows Server 2003 (64-bit AMD64 and Intel EM64T)Microsoft Windows Server 2003 R2 (64-bit AMD64 and Intel EM64T)Microsoft Windows Server 2003 R2 (32-bit)Microsoft Windows Server 2008 x64 (AMD64/EM64T)
This affects all diagnostic traces, tools and utilities, including but not limited to SQL_TRACE, event 10046, StatsPack, AWR and ASH.
This affects All Versions of Oracle RDBMS inlcuded but not limited to 10gR2, 11gR1 that run over AMD MultiCore Arquitecture.
This is not a Oracle bug. It is a hardware/Operating System Issue

Symptoms

Very high wait time values or #### seen in AWR or Statspack on the wait events: 

 

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms