Hi,

I am using a version of PostgreSQL compiled from a CVS update of yesterday,
and compiled with
make clean all
make install

One client connection to the database doing routine and low volume population
scripts (using schemas) After several normal runs of the population script, a
run caused the following trap, and an associated backend halt.

TRAP: FailedAssertion("!(((ntp)->t_data)->t_infomask & 0x0010)", File:
"catcache.c", Line: 1728)

I know this is not a lot of data for a determination of cause, but I have only
had a single instance of this happening, and thought it should at least be
documented.

Regards,
Grant

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  • Grant Finnemore at Sep 10, 2004 at 9:57 am
    It's happened again, and in both cases seems to be on a call to
    VACUUM FULL

    Grant Finnemore wrote:
    Hi,

    I am using a version of PostgreSQL compiled from a CVS update of yesterday,
    and compiled with
    make clean all
    make install

    One client connection to the database doing routine and low volume
    population
    scripts (using schemas) After several normal runs of the population
    script, a
    run caused the following trap, and an associated backend halt.

    TRAP: FailedAssertion("!(((ntp)->t_data)->t_infomask & 0x0010)", File:
    "catcache.c", Line: 1728)

    I know this is not a lot of data for a determination of cause, but I
    have only
    had a single instance of this happening, and thought it should at least be
    documented.

    Regards,
    Grant

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  • Tom Lane at Sep 10, 2004 at 2:10 pm

    Grant Finnemore writes:
    TRAP: FailedAssertion("!(((ntp)->t_data)->t_infomask & 0x0010)", File:
    "catcache.c", Line: 1728)
    This seems moderately impossible :-(. Did you get a core dump? If so
    please provide a stack backtrace.

    regards, tom lane
  • Grant Finnemore at Sep 10, 2004 at 3:03 pm
    I'm afraid that I did not get a core dump. Sorry.

    My normal configure includes both debug and cassert - is there anything
    else I should set to ensure core dumps are generated?

    Regards,
    Grant

    Tom Lane wrote:
    Grant Finnemore <grantf@guruhut.co.za> writes:
    TRAP: FailedAssertion("!(((ntp)->t_data)->t_infomask & 0x0010)", File:
    "catcache.c", Line: 1728)

    This seems moderately impossible :-(. Did you get a core dump? If so
    please provide a stack backtrace.

    regards, tom lane

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  • Tom Lane at Sep 10, 2004 at 3:19 pm

    Grant Finnemore writes:
    I'm afraid that I did not get a core dump. Sorry.
    My normal configure includes both debug and cassert - is there anything
    else I should set to ensure core dumps are generated?
    Check "ulimit -c" in the postmaster's environment.

    Personally I always put "ulimit -c unlimited" into the postmaster start
    script.

    regards, tom lane
  • Grant Finnemore at Sep 10, 2004 at 3:36 pm
    Ok, will do. Thanks.

    Tom Lane wrote:
    Grant Finnemore <grantf@guruhut.co.za> writes:
    I'm afraid that I did not get a core dump. Sorry.
    My normal configure includes both debug and cassert - is there anything
    else I should set to ensure core dumps are generated?

    Check "ulimit -c" in the postmaster's environment.

    Personally I always put "ulimit -c unlimited" into the postmaster start
    script.
  • Tom Lane at Dec 12, 2004 at 5:29 am

    Some time ago, Grant Finnemore wrote:
    TRAP: FailedAssertion("!(((ntp)->t_data)->t_infomask & 0x0010)", File:
    "catcache.c", Line: 1728)
    I think we finally figured out where this came from:

    http://archives.postgresql.org/pgsql-bugs/2004-12/msg00128.php

    regards, tom lane

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postedSep 10, '04 at 8:17a
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