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    SubjectRe: ppoll() stuck on POLLIN while TCP peer is sending
    Mel Gorman <mgorman@suse.de> 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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