Possible kqueue related issue on STABLE/RC.

[Konstantin Belousov]

On Thu, Sep 12, 2013 at 08:28:48PM +0200, Jimmy Olgeni wrote:
> 
> On Thu, 12 Sep 2013, Konstantin Belousov wrote:
> 
> > Might be, your issue is that some filesystems do not care about proper
> > locking mode for the fifos.  UFS carefully disables shared locking for
> > VFIFO, but it seems ZFS is not.  I can propose the following band-aid,
> > which could help you.
> 
> This certainly seems to improve things. I have been running builds
> for the past couple of hours without any critical problem.
Ok, so it is ZFS indeed.  I think I will commit the band-aid to head
shortly.

> 
> I spotted a few LORs but nothing bad happened so far:
> 
>      http://olgeni.olgeni.com/~olgeni/dmesg-2013-09-12
Out of curiousity, please look up the line for vm_object_terminate+0x1d8.

> 
> If it keeps working this way I hope there's still some time to fit it 
> into an -RC.

For 10.0 yes, 9.2 is sealed (hopefully).

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