Re: Processes stuck in D state when accessing XFSv5 filesystem

David Shaw
2017-04-07T16:56:50Z

On Apr 7, 2017, at 10:56 AM, Emmanuel Florac <eflorac@intellique.com> wrote:
>
> Le Thu, 6 Apr 2017 14:41:45 -0400
> David Shaw <dshaw@jabberwocky.com> écrivait:
>
>> I'm having a problem with processes getting "stuck" when accessing an
>> XFS (v5) filesystem. When it happens, I start getting the "blocked
>> for more than 120 seconds" error, and the process stays in that state
>> until I reboot. The kernel is 3.10.0-514.2.2 and the xfsprogs is
>> 4.5.0-9 (both Centos 7.3).
>>
>
> Could it be that your system is under high IO load?

It's possible that the problem is instigated or made worse by high load, but once the processes enter D state, they stay there even when the system is idle. They stay in D state until I reboot.

David