once again I've hosed my PostgreSQL installation. I've more or less accidentally
upgraded PostgreSQL to the latest version and it would start no more. I've perused the archives and collected all remedies I've found. Most notably:
- I had fixed the / and /bin permissions previously and made sure they're still ok - I made my postgres user account own the binary - I've removed the cygipc and cygipc2 services - I've installed cygserver and made sure it is actually started - Needless to say, I've rebooted the box too
No matter what I do, I'm now stuck with the following error. For test purposes I logged in to my postgres account and started postmaster manually with postmaster -d5 -D /usr/share/postgresql/data
[lots of DEBUG messages] DEBUG: invoking IpcMemoryCreate(size=10461184) Bad system call
As I got stuck here I desperately tried various things, among them removing cygserver and starting cygipc2 again and downgrading to the previous PostgreSQL version. All this does not help a bit. I've not yet tried to downgrade cygwin1.dll to the previous version (1.5.11 vs. 1.5.12).
Can anyone throw me a ring here?
So finally someone else got the same cygserver problem as me!
The cause is that the internal cygserver msg buffer is allocated read-only. (IsBadWritePtr() fails)
Reason unknown. gcc? cygwin?
Solution pending.
Szteps to reproduce: cygserver & ipcs => Bad system call -- Reini Urban http://xarch.tu-graz.ac.at/home/rurban/
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