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SubjectRe: ppoll() stuck on POLLIN while TCP peer is sending
Mel Gorman <> wrote:
> On Wed, Jan 02, 2013 at 08:08:48PM +0000, Eric Wong wrote:
> > Instead, I disabled THP+compaction under v3.7.1 and I've been unable to
> > reproduce the issue without THP+compaction.
> >
> Implying that it's stuck in compaction somewhere. It could be the case
> that compaction alters timing enough to trigger another bug. You say it
> tests differently depending on whether TCP or unix sockets are used
> which might indicate multiple problems. However, lets try and see if
> compaction is the primary problem or not.

I haven't managed to reproduce the issue on Unix sockets, yet, just TCP.
Trying Unix with 90KB as Eric Dumazet suggested.

I'll get the info you need from /proc soon.
Thank you for looking at this!

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