kill -9 does nothing

[Korolev Sergey]

I don't think this is an NFS problem. I had got the same problem with Apache + ZFS combination (but it was an old FreeBSD version like 7-8, I don't remember). The main point is that the process hangs in iowait state, which it never will exit from. The only solution is hard reboot. The reason of that is rather more complicated, than just "NFS is bad", or "Apache is bad". This is an Open Source, and you could always help with a patch, extensive debug info to clarify the bug, etc, so any help will be appreciated.

> On 9 Aug 2019, at 23:29, hw <hw at adminart.net> wrote:
> 
> Graham Perrin <grahamperrin at gmail.com> writes:
> 
>>> On 08/08/2019 17:05, hw wrote:
>>> … Firefox has a tendency to become unresponsive. …
>> Which version of the OS?
> 
> 12 release
> 
> It turned out that Firefox was stuck in some kind of NFS deadlock.  I
> even had to destroy the VM because it won't shutdown anymore.  NFS is
> bad with FreeBSD.
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