I should have added that we are on Oracle release 11.2.0.2.0, HP-UX 11.31. This bug seems quite plausible to me...we also get a lot of trace files with "CursorDiagnosticsNodes" messages that are similar to another bug, but Oracle Support hasn't confirmed this yet. - Maureen Andre van Winssen wrote:
Hi Maureen, if your ORA-00600 [pevm_INSTC2] happens in plsql code thatpasses REF cursor parameters up multiple levels of the PL/SQL stack then what you see might be a revival of bug 6068126.Andre
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