On 2014-04-17 17:40:01 -0300, Alvaro Herrera wrote:
> For once, this looks more like a problem in logical decoding, which is
> trying to assert about the tuple being updated; the assertion failing is
> the one added a week ago about not palloc'ing in a critical section.

It's this (older) assertion in HeapTupleHeaderGetCmax():

        
Assert(TransactionIdIsCurrentTransactionId(HeapTupleHeaderGetUpdateXid(tup)));

That can allocate memory if xmax is a multixact... Does anybody have a
better idea to solve this than adding a CritSectionCount == 0 && in
there?

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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