Re: BUG #14223: stuck spinlock detected at bufmgr.c:1440

Hi,

On 2016-07-01 20:22:34 +0000, scott@deltaex.com wrote:
> The following bug has been logged on the website:
>
> Bug reference:      14223
> Logged by:          Scott Milliken
> Email address:      scott@deltaex.com
> PostgreSQL version: 9.5.3
> Operating system:   Linux 3.2.0-60-generic, Ubuntu 12.04.5 LTS

Given that the kernel is so old, two likely causes are transparent
hugepages, and zone_reclaim_mode. Both have to be disabled on older
kernels (the latter is disabled by default these days).

Greetings,

Andres Freund