On Fri, Jan 10, 2014 at 7:12 AM, Heikki Linnakangas
<hlinnakan...@vmware.com> wrote:
> I'm getting deadlocks with this patch, using the test script you posted
> earlier in
> http://www.postgresql.org/message-id/CAM3SWZQh=8xnvgbbzyhjexujbhwznjutjez9t-dbo9t_mx_...@mail.gmail.com.
> Am doing something wrong, or is that a regression?

Yes. The point of that test case was that it made your V1 livelock
(which you fixed), not deadlock in a way detected by the deadlock
detector, which is the correct behavior.

This testcase was the one that showed up *unprincipled* deadlocking:


I'd focus on that test case.
Peter Geoghegan

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