On 05/24/2015 08:07 PM, Andres Freund wrote:
> On 2015-05-24 19:44:37 -0400, Andrew Dunstan wrote:
>> Buildfarm members casteroides and protosciurus have been having some
>> problems that seem puzzling. These animals both run on the same machine, but
>> with different compilers.
>>
>> casteroides runs with the Sun Studio 12 compiler, and has twice in the last
>> 3 days demonstrated this error:
>>
>> [5561ce0c.51b7:25] LOG: starting background worker process "test_shm_mq"
>> [5561ce1e.5287:9] PANIC: stuck spinlock (100cb77f4) detected at atomics.c:30
>> [5561ce1e.5287:10] STATEMENT: SELECT test_shm_mq_pipelined(16384, (select
string_agg(chr(32+(random()*95)::int),'') from generate_series(1,270000)), 200, 3);
>> [5561ce0c.51b7:26] LOG: server process (PID 21127) was terminated by signal 6
>> [5561ce0c.51b7:27] DETAIL: Failed process was running: SELECT test_shm_mq_pipelined(16384, (select
string_agg(chr(32+(random()*95)::int),'') from generate_series(1,270000)), 200, 3);
>> [5561ce0c.51b7:28] LOG: terminating any other active server processes
>>
>> It's not constant - between the two failures was a success.
> That's indeed rather odd. For one the relevant code does nothing but
> lock/unlock a spinlock. For another, there's been no recent change to
> this and casteroides has been running happily for a long time.
>
>
Yes, but it wasn't running these tests until a few days ago when its
buildfarm software was upgraded.
cheers
andrew
