On 21 March 2015 at 14:28, Amit Kapila <amit.kapil...@gmail.com> wrote:
> On Fri, Mar 20, 2015 at 7:54 PM, Thom Brown <t...@linux.com> wrote: > > createdb pgbench > > pgbench -i -s 200 pgbench > > > > CREATE TABLE pgbench_accounts_1 (CHECK (bid = 1)) INHERITS > (pgbench_accounts); > > ... > > CREATE TABLE pgbench_accounts_200 (CHECK (bid = 200)) INHERITS > > (pgbench_accounts); > > > > I managed to reproduce the Assertion reported by you as: > > #2 0x00000000007a053a in ExceptionalCondition > (conditionName=conditionName@entry=0x813a4b "!(IsInParallelMode())", > errorType=errorType@entry=0x7da1d6 "FailedAssertion", > fileName=fileName@entry=0x81397d "parallel.c", lineNumber=lineNumber@entry > =123) at assert.c:54 > #3 0x00000000004cd5ba in CreateParallelContext > (entrypoint=entrypoint@entry=0x659d2c <ParallelQueryMain>, > nworkers=nworkers@entry=8) at parallel.c:123 > > The reason is that CreateParallelContext() expects to be called > in ParallelMode and we enter into parallel-mode after InitPlan() > in standard_ExecutorStart(). So the probable fix could be > to EnterParallelMode before initializing the plan. > > I still could not reproduce the crash you have reported as: > >> #0 0x0000000000770843 in pfree () > >> #1 0x00000000005a382f in ExecEndFunnel () > >> #2 0x000000000059fe75 in ExecEndAppend () > >> #3 0x00000000005920bd in standard_ExecutorEnd () > > > Could you let me know which all patches you have tried > and on top of which commit. > > I am trying on the commit as mentioned in mail[1]. Basically > have you tried the versions mentioned in that mail: > > HEAD Commit-id : 8d1f2390 > parallel-mode-v8.1.patch [2] > assess-parallel-safety-v4.patch [1] > parallel-heap-scan.patch [3] > parallel_seqscan_v11.patch (Attached with this mail) > > If something else, could you let me know the same so that I can try > that to reproduce the issue reported by you. > > Looks like one of the patches I applied is newer than the one in your list: HEAD Commit-id: 13a10c0ccd984643ef88997ac177da7c4b7e46a6 parallel-mode-v9.patch assess-parallel-safety-v4.patch parallel-heap-scan.patch parallel_seqscan_v11.patch -- Thom
