Re: Cygwin-Postgres-IpcMemoryCreate
От | Saravanan Bellan |
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Тема | Re: Cygwin-Postgres-IpcMemoryCreate |
Дата | |
Msg-id | A37D6E7E941A1E498B4B98F3E4AFA92035CAF9@MAIL.design2deploy.com обсуждение исходный текст |
Ответ на | Cygwin-Postgres-IpcMemoryCreate (Saravanan Bellan <SBellan@jareva.com>) |
Ответы |
Re: Cygwin-Postgres-IpcMemoryCreate
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Список | pgsql-cygwin |
Sorry to get back so late on this one. I'm using Cygwin dll - 1.3.10 Cygipc 1.11-1 Postgres 7.2.1 Windows 2000 Professional (SP 1, Build 2195) NTFS I'm running a non standard postgres-cygwin installation. Using only parital Cygwin installation and do not have a separate Windows User for postgres. I'm starting initdb with the -U option(I think this was introduced in 7.2) and use that user name for further connections. The change I had to make was in src/backend/access/transam/xlog.c In InstallXLogFileSegment, just commented link() and use the rename() section, after reading the commnets that "rename() is an acceptable substiute except for the truly paranoid" . I'm sure it is not a valid fix, but seem to work for me in my setup. On a side note, I used to see multiple 'postgres' processes in 'Windows Task Manager' , but now because of this change or some other setup change I see multiple 'postmaster' processes. Is there a explanation? Thanks, -----Original Message----- From: Jason Tishler [mailto:jason@tishler.net] Sent: Wednesday, April 17, 2002 1:48 PM To: Saravanan Bellan Cc: 'pgsql-cygwin@postgresql.org' Subject: Re: [CYGWIN] Cygwin-Postgres-IpcMemoryCreate On Tue, Apr 16, 2002 at 02:34:08PM -0700, Saravanan Bellan wrote: > This was initially posted in comp.databases.postgresql.ports.cygwin. > > Updates: > > If using the rename() instead of link() the following error is not > experienced anymore. > > > 1) FATAL 2: link from /cygdrive/C/pg/data/pg_xlog/0000000000000004 to > > /cygdrive/C/pg/data/pg_xlog/0000000000000007 (initialization of log > > file 0, segment 7) failed: Permission denied Please post your patch for the above, so we know precisely what change you needed to make to solve your problem. If the patch looks good, then the next step would be to post it to pgsql-patches for consideration. Note, however, that I have never seen an error message like the above. What is your system info? Cygwin version cygipc version Windows version CYGWIN environment variable setting filesystem type (i.e., NTFS, FAT, etc.) > But the following error,I think, is independent of the above one. > > > DEBUG: all server processes terminated; reinitializing shared memory > > and semaphores > > IpcMemoryCreate: shmget(key=5432001, size=1441792, 03600) failed: Not > > enough memory I have seen the above error message when the permissions of the following files were incorrect: /tmp/cygipc* /tmp/MultiFile* Try removing them to see if this is your problem. > Please the read the following initial post anyway. > > [snip] BTW, I just built and tested PostgreSQL 7.2.1 under Cygwin 1.3.10. make installcheck passed all tests. Jason
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