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

Eric Wong
2013-01-11T00:51:07Z

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

<snip>

> Reported-by: Eric Wong <normalperson@yhbt.net>
> Cc: stable@vger.kernel.org
> Signed-off-by: Mel Gorman <mgorman@suse.de>

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

Tested-by: Eric Wong <normalperson@yhbt.net>

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@dcvr.yhbt.net>