On Wed, Mar 9, 2016 at 10:06 PM, Amit Kapila <amit.kapil...@gmail.com> wrote:
> On Wed, Mar 9, 2016 at 11:46 AM, Haribabu Kommi <kommi.harib...@gmail.com>
> wrote:
>> I tried replacing the random() with PostmaterRandom() for a test and it
>> worked.
>> This is generating different random values, so the issue is not occurring.
>> "Global/PostgreSQL.2115609797"
>> I feel, we should add the the data directory path + the random number to
>> generate the name for dynamic shared memory, this can fix problem.
> As mentioned above, I think if we can investigate why this error is
> generated, that will be helpful.  Currently the code ensures that if the
> segment already exists, it should retry to create a segment with other name
> (refer dsm_impl_windows()), so the point of investigation is, why it is not
> going via that path?  I am guessing due to some reason CreateFileMapping()
> is returning NULL in this case whereas ideally it should return the existing
> handle with an error ERROR_ALREADY_EXISTS.

DEBUG:  mapped win32 error code 5 to 13

Yes, the CreateFileMapping() is returning NULL with an error of
I am not able to find the reason for this error. This error is occurring only
when the PostgreSQL is started as a service only.

Hari Babu
Fujitsu Australia

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