Re: hung backends stuck in spinlock heavy endless loop

Поиск
Список
Период
Сортировка
От Merlin Moncure
Тема Re: hung backends stuck in spinlock heavy endless loop
Дата
Msg-id CAHyXU0yHtge9Q++CdUspqVheVsBzJ05Ynfp9VwG5zcr-JBM3nw@mail.gmail.com
обсуждение исходный текст
Ответ на Re: hung backends stuck in spinlock heavy endless loop  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Wed, Jan 28, 2015 at 12:47 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Merlin Moncure <mmoncure@gmail.com> writes:
>> ...hm, I spoke to soon.  So I deleted everything, and booted up a new
>> instance 9.4 vanilla with asserts on and took no other action.
>> Applying the script with no data activity fails an assertion every
>> single time:
>
>> TRAP: FailedAssertion("!(flags & 0x0010)", File: "dynahash.c", Line: 330)
>
> There's no Assert at line 330 in 9.4, though there is in HEAD.  I suspect
> what you've got here is a version mismatch; in particular commit
> 4a14f13a0abfbf7e7d44a3d2689444d1806aa9dc changed the API for dynahash.c
> such that external modules would need to be recompiled to use it without
> error.  I'm not real sure though how you are getting past the
> loadable-module version check.  Anyway, I'd try "make distclean" and
> full rebuild before anything else.

you're right -- git got confused and built a 9.5 devel at some random
commit.  I reran it again on 9.4 and it worked ok :(.

merlin



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: hung backends stuck in spinlock heavy endless loop
Следующее
От: Tom Lane
Дата:
Сообщение: Re: Misaligned BufferDescriptors causing major performance problems on AMD