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 ERROR_ACCESS_DENIED. 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. Regards, Hari Babu Fujitsu Australia -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers