From: Eric Wong <normalperson@yhbt.net>
To: Mel Gorman <mgorman@suse.de>
Cc: linux-mm@kvack.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Rik van Riel <riel@redhat.com>,
Minchan Kim <minchan@kernel.org>,
Eric Dumazet <eric.dumazet@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: ppoll() stuck on POLLIN while TCP peer is sending
Date: Fri, 11 Jan 2013 00:51:05 +0000 [thread overview]
Message-ID: <20130111005105.GA15023@dcvr.yhbt.net> (raw)
In-Reply-To: <20130110194212.GJ13304@suse.de>
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>
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WARNING: multiple messages have this Message-ID (diff)
From: Eric Wong <normalperson@yhbt.net>
To: Mel Gorman <mgorman@suse.de>
Cc: linux-mm@kvack.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Rik van Riel <riel@redhat.com>,
Minchan Kim <minchan@kernel.org>,
Eric Dumazet <eric.dumazet@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: ppoll() stuck on POLLIN while TCP peer is sending
Date: Fri, 11 Jan 2013 00:51:05 +0000 [thread overview]
Message-ID: <20130111005105.GA15023@dcvr.yhbt.net> (raw)
In-Reply-To: <20130110194212.GJ13304@suse.de>
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>
next prev parent reply other threads:[~2013-01-11 0:51 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 1:45 ppoll() stuck on POLLIN while TCP peer is sending Eric Wong
2012-12-28 7:06 ` Eric Wong
2012-12-29 11:34 ` Eric Wong
2012-12-31 13:21 ` [PATCH] poll: prevent missed events if _qproc is NULL Eric Wong
2012-12-31 23:24 ` Eric Wong
2013-01-01 16:58 ` Junchang(Jason) Wang
2013-01-01 18:42 ` Eric Dumazet
2013-01-01 21:00 ` Eric Wong
2013-01-01 21:17 ` Eric Wong
2013-01-01 22:53 ` Linus Torvalds
2013-01-01 23:21 ` Junchang(Jason) Wang
2013-01-01 23:56 ` [PATCH] epoll: prevent missed events on EPOLL_CTL_MOD Eric Wong
2013-01-02 17:45 ` Eric Dumazet
2013-01-02 18:40 ` Eric Wong
2013-01-02 19:03 ` Eric Dumazet
2013-01-02 19:32 ` Eric Wong
2013-01-02 22:08 ` Eric Dumazet
2013-01-02 21:16 ` Eric Wong
2013-01-02 20:08 ` ppoll() stuck on POLLIN while TCP peer is sending Eric Wong
2013-01-02 20:08 ` Eric Wong
2013-01-02 20:47 ` Eric Wong
2013-01-02 20:47 ` Eric Wong
2013-01-03 13:41 ` Eric Dumazet
2013-01-03 13:41 ` Eric Dumazet
2013-01-03 18:32 ` Eric Wong
2013-01-03 18:32 ` Eric Wong
2013-01-03 23:45 ` Eric Wong
2013-01-03 23:45 ` Eric Wong
2013-01-04 0:26 ` Eric Wong
2013-01-04 0:26 ` Eric Wong
2013-01-04 3:52 ` Eric Wong
2013-01-04 3:52 ` Eric Wong
2013-01-04 16:01 ` Mel Gorman
2013-01-04 16:01 ` Mel Gorman
2013-01-04 17:15 ` Eric Dumazet
2013-01-04 17:15 ` Eric Dumazet
2013-01-04 17:59 ` Eric Wong
2013-01-04 17:59 ` Eric Wong
2013-01-05 1:07 ` Eric Wong
2013-01-05 1:07 ` Eric Wong
2013-01-06 12:07 ` Eric Wong
2013-01-06 12:07 ` Eric Wong
2013-01-07 12:25 ` Mel Gorman
2013-01-07 12:25 ` Mel Gorman
2013-01-07 22:38 ` Eric Dumazet
2013-01-07 22:38 ` Eric Dumazet
2013-01-08 0:21 ` Eric Wong
2013-01-08 0:21 ` Eric Wong
2013-01-07 22:38 ` Eric Wong
2013-01-07 22:38 ` Eric Wong
2013-01-08 20:14 ` Eric Wong
2013-01-08 20:14 ` Eric Wong
2013-01-08 22:43 ` Mel Gorman
2013-01-08 22:43 ` Mel Gorman
2013-01-08 23:23 ` Eric Wong
2013-01-08 23:23 ` Eric Wong
2013-01-09 2:14 ` Eric Dumazet
2013-01-09 2:14 ` Eric Dumazet
2013-01-09 2:32 ` Eric Dumazet
2013-01-09 2:32 ` Eric Dumazet
2013-01-09 2:54 ` Eric Dumazet
2013-01-09 2:54 ` Eric Dumazet
2013-01-09 3:55 ` Eric Wong
2013-01-09 3:55 ` Eric Wong
2013-01-09 8:42 ` Eric Wong
2013-01-09 8:42 ` Eric Wong
2013-01-09 8:51 ` Eric Wong
2013-01-09 8:51 ` Eric Wong
2013-01-09 13:42 ` Mel Gorman
2013-01-09 13:42 ` Mel Gorman
2013-01-09 13:37 ` Mel Gorman
2013-01-09 13:37 ` Mel Gorman
2013-01-09 13:50 ` Mel Gorman
2013-01-09 13:50 ` Mel Gorman
2013-01-10 9:25 ` Eric Wong
2013-01-10 9:25 ` Eric Wong
2013-01-10 19:42 ` Mel Gorman
2013-01-10 19:42 ` Mel Gorman
2013-01-10 20:03 ` Eric Wong
2013-01-10 20:03 ` Eric Wong
2013-01-10 20:58 ` Eric Dumazet
2013-01-10 20:58 ` Eric Dumazet
2013-01-11 0:51 ` Eric Wong [this message]
2013-01-11 0:51 ` Eric Wong
2013-01-11 9:30 ` Mel Gorman
2013-01-11 9:30 ` Mel Gorman
2013-01-09 21:29 ` Eric Wong
2013-01-09 21:29 ` Eric Wong
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