Re: ppoll() stuck on POLLIN while TCP peer is sending

[Eric Wong]

Mel Gorman <mgorman@xxxxxxx> wrote:
> mm: compaction: Partially revert capture of suitable high-order page

<snip>
 
> Reported-by: Eric Wong <normalperson@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

Thanks, my original use case and test works great after several hours!

Tested-by: Eric Wong <normalperson@xxxxxxxx>


Unfortunately, I also hit a new bug in 3.8 (not in 3.7.x).  based on Eric
Dumazet's observations, sk_stream_wait_memory may be to blame.
Fortunately this is easier to reproduce (I've cc-ed participants
on this thread already): <20130111004915.GA15415@xxxxxxxxxxxxx>
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