Hyperactive g_event thread

[Marius Nünnerich]

On Tue, Jul 27, 2010 at 18:07, Marius Nünnerich <marius at nuenneri.ch> wrote:
> On Tue, Jul 27, 2010 at 16:38, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>> In message <4C4ED619.7050305 at FreeBSD.org>, Alexander Motin writes:
>>>Poul-Henning Kamp wrote:
>>
>>>I have already removed alike timeouts on up/down threads and it indeed
>>>was safe there. But are you really sure about this specific case? Cause
>>>I'm not. Up/down threads using msleep and checking lack of work after
>>>dropping/grabbing lock. Event thread instead does several tasks, drops
>>>lock few times between them and uses tsleep(). I would say there should
>>>be a bunch of race conditions.
>>
>> Quite likely, I didn't say it would be a trivial thing to remove
>> that workaround :-)
>
> Hi,
>
> I was running with a patch that removed the timeout for a while like 2
> years ago. Albeit not with high load. Worked fine at that time, I will
> search for the patch when I'm back home later today.
>
>  - Marius
>

Here it is:
http://lists.freebsd.org/pipermail/freebsd-geom/2008-December/003200.html
The mail is quite old now, I don't know if the patch still applies.
Will check that if I can find the time. I would be happy to see this
committed after all this time :)