Re: [HACKERS] assertion failure 9.3.4

[Andrew Dunstan]

On 04/14/2014 10:02 PM, Alvaro Herrera wrote:

Andrew Dunstan wrote:

and here the stack trace:

    #0  0x000000361ba36285 in __GI_raise (sig=6) at
    ../nptl/sysdeps/unix/sysv/linux/raise.c:64
    #1  0x000000361ba37b9b in __GI_abort () at abort.c:91
    #2  0x000000000075c157 in ExceptionalCondition
    (conditionName=<optimized out>, errorType=<optimized out>,
    fileName=<optimized out>, lineNumber=<optimized out>)
         at /home/andrew/pgl/pg_9_3/src/backend/utils/error/assert.c:54
    #3  0x000000000048c2af in MultiXactIdGetUpdateXid (xmax=<optimized
    out>, t_infomask=<optimized out>) at
    /home/andrew/pgl/pg_9_3/src/backend/access/heap/heapam.c:5873
    #4  0x000000000078ad50 in HeapTupleSatisfiesMVCC
    (tuple=0x7feb3be8a790, snapshot=0x1025d70, buffer=2172) at
    /home/andrew/pgl/pg_9_3/src/backend/utils/time/tqual.c:1221

Clearly this is a bug related to multixacts and the related tqual.c
changse.  Will look.

OK. If you need me to test patches I can do so.

cheers

andrew


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