[Nix-dev] Multiple-output derivations on hydra

[Vladimír Čunát]

On 05/17/2013 11:36 AM, Vladimír Čunát wrote:
> I seem to have hit a serious problem (mesa on hydra). It builds fine,
> but somehow hydra is unable to get the result back. It failed for this
> reason on both two attempts for both two platforms (four times together).
>
> http://hydra.nixos.org/build/4971663

Now I set preferLocalBuilds for mesa in an attempt to work around the 
problem.

However, I'm getting an "evaluation error":

DBIx::Class::Storage::DBI::_dbh_execute(): DBI Exception: DBD::Pg::st 
execute failed: ERROR:  deadlock detected
DETAIL:  Process 20996 waits for ShareLock on transaction 13968876; 
blocked by process 20993.
Process 20993 waits for ShareLock on transaction 13968761; blocked by 
process 20996.
HINT:  See server log for query details. [for Statement "UPDATE Builds 
SET iscurrent = ? WHERE ( ( iscurrent = ? AND ( jobset = ? AND project = 
? ) ) )" with ParamValues: 1='0', 2='1', 3='xorg-test', 4='nixpkgs'] at 
/nix/store/7k0rd883zc4waqzavlh4xzx3ysh90arg-hydra-0.1pre1331-4b1a838/bin/.hydra-evaluator-wrapped 
line 143


I seem to slowly become a great trouble-finder :-/


Vlada


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