Shared Servers Hang Waiting on 'Virtual Circuit Status' Event
(Doc ID 465444.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 10.2.0.3 [Release 9.2 to 10.2]
Information in this document applies to any platform.
Oracle Multi-Threaded Server (MTS)
** Checked for relevance on 25-Oct-2011
** Checked for relevance on 27-Mar-2013
Active shared server connections hang waiting on 'virtual circuit status' wait event, and no new shared server connections can be made. Only dedicated server connections are possible.
There may be several internal errors raised in the alertlog prior to this also, particularly ORA-7445 errors with various arguments which show indications of an SGA memory corruption. For example:
*** glibc detected *** corrupted double-linked list: 0x00000000067e64c0 ***
Killing the active shared server connections doesn't help resolve the problem.
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