Re: regression with poll(2)

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On Mon, Aug 20, 2012 at 09:54:59AM -0700, Sage Weil wrote:
> > <SNIP>
> > 
> > > I've retested several times and confirmed that this change leads to the 
> > > breakage, and also confirmed that reverting it on top of -rc1 also fixes 
> > > the problem.
> > > 
> > > I've also added some additional instrumentation to my code and confirmed 
> > > that the process is blocking on poll(2) while netstat is reporting 
> > > data available on the socket.
> > > 
> > > What can I do to help track this down?
> > > 
> > 
> > Can the following patch be tested please? It is reported to fix an fio
> > regression that may be similar to what you are experiencing but has not
> > been picked up yet.
> 
> This patch appears to resolve things for me as well, at least after a 
> couple of passes.  I'll let you know if I see any further problems come up 
> with more testing.
> 

Thanks very much Sage.

-- 
Mel Gorman
SUSE Labs
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