PHP-FPM processes hang in UFS-state

[Konstantin Belousov]

On Sat, Oct 24, 2020 at 08:51:16PM +0300, Christos Chatzaras wrote:
> 
> 
> > On 24 Oct 2020, at 20:06, Konstantin Belousov <kostikbel at gmail.com> wrote:
> > 
> > Do you have quotas enabled ?  Does the problem disappear with quotas
> > turned off ?
> > 
> > Regardless of the quotas question, If the issue is reproducable, first
> > upgrade to 12.2 at least. Then follow instructions at
> > https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html <https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html>
> I have quotas enabled. I don't know if the issue happens with quotas disabled.
> 
> Why you ask me about quotas? Is any known bug?
I do not remember about 12.1.  I certainly not aware of anything in 12.2.
Quota is less tested than non-quota.  One of the backtraces in your dump
indicates that a quota file lock was preventing other thread to make a
progress.

> 
> Also this account is over-quota for few days but the issue happens in other servers (different website but all with Prestashop) that accounts were not over-quota.
> 
> I use SU with Journaling disabled.
> 
> The issue happens every fews months or days so I can't easily reproduce it.
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