Magnus Hagander writes:
> One proposed fix is to allocate a fairly large block of memory in the
> postmaster just before we get the shared memory, and then free it right
> away. The effect should be to push down the shared memory segment
> further in the address space.
I have no enthusiasm for do
Alvaro Herrera wrote:
> Magnus Hagander wrote:
>
>> I didn't mean race condition between backends. I meant against a
>> potential other thread started by a loaded DLL for initialization.
>> (Again, things like antivirus are known to do this, and we do see these
>> issues more often if AV is presen
Magnus Hagander wrote:
> I didn't mean race condition between backends. I meant against a
> potential other thread started by a loaded DLL for initialization.
> (Again, things like antivirus are known to do this, and we do see these
> issues more often if AV is present for example)
I don't unders
Tom Lane wrote:
> Magnus Hagander writes:
>> Somebody else mentioned, and IIRC I talked to Dave about this before,
>> that this could be because the address is no longer available. The
>> reason for this could be some kind of race condition in the backends
>> starting - the address is available wh
Magnus Hagander writes:
> Somebody else mentioned, and IIRC I talked to Dave about this before,
> that this could be because the address is no longer available. The
> reason for this could be some kind of race condition in the backends
> starting - the address is available when the postmaster star
Tom Lane wrote:
> vaquita has an interesting report today:
> http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=vaquita&dt=2009-05-01%2020:00:06
>
> Partway through the contrib tests, for absolutely no visible reason
> whatsoever, connections start to fail with
> FATAL: could not reattach to share
On Sat, May 2, 2009 at 4:21 PM, Tom Lane wrote:
> I assume vaquita's configuration hasn't changed recently (Dave?)
> so this seems to put the lie to the theory we've taken refuge in
> that it's caused by bad antivirus software. I don't see that it
> gets us any closer to a solution though.
Well
vaquita has an interesting report today:
http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=vaquita&dt=2009-05-01%2020:00:06
Partway through the contrib tests, for absolutely no visible reason
whatsoever, connections start to fail with
FATAL: could not reattach to shared memory (key=364, addr=0292
