On Thu, Oct 27, 2005 at 10:59:30AM +0200, Matteo Beccati wrote: > Hi, > > I'm using 8.1beta4 on a development server for a rather db-intensive > application. This application has a multiprocess daemon which was > working fairly well in past. After some recent changes I started having > deadlock problems. While investigating to remove what was causing them I > removed some FOR UPDATE clauses (added on 8.0 to prevent other deadlock > situations), hoping that the newly added FK share locks would better > handle the concurrent access. In fact the deadlock errors went away, but > I suddenly started getting some of these:
Backtrace would be nice. I don't suppose your backend is compiled with debugging? If so, try attaching to the backend and do: break MemoryContextAlloc if size > 1000000000 Obviously something is trying to allocate and negative number of bytes... 4291419108 = -3548188 Hope this helps, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a > tool for doing 5% of the work and then sitting around waiting for someone > else to do the other 95% so you can sue them.
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