From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ben Greear <greearb@candelatech.com>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: 3.9.5+: Crash in tcp_input.c:4810.
Date: Tue, 02 Jul 2013 22:02:29 -0700 [thread overview]
Message-ID: <1372827749.4979.52.camel@edumazet-glaptop> (raw)
In-Reply-To: <51D3AD66.8030506@candelatech.com>
On Tue, 2013-07-02 at 21:49 -0700, Ben Greear wrote:
> Well, network emulators are easy to come by in the office.... Maybe running
> a bunch of TCP connections through a lossy network would exercise this code
> path a bit? Aside from random pkt loss, any other types of network conditions
> that might help trigger this faster?
>
> I'll set up some tests using some wired ethernet...if we can trigger it there
> then we at least know it doesn't depend on ath9k...
I tried a lot of things, including netem with many reorders and/or
packetdrill tests, but so far not a single warning from tcp_collapse()
next prev parent reply other threads:[~2013-07-03 5:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-17 18:08 3.9.5+: Crash in tcp_input.c:4810 Ben Greear
2013-06-17 18:17 ` Eric Dumazet
2013-06-21 19:26 ` Ben Greear
2013-07-01 18:10 ` Ben Greear
2013-07-03 1:04 ` Eric Dumazet
2013-07-03 3:21 ` Ben Greear
2013-07-03 4:41 ` Eric Dumazet
2013-07-03 4:49 ` Ben Greear
2013-07-03 5:02 ` Eric Dumazet [this message]
2013-07-08 17:23 ` Ben Greear
2013-07-08 18:21 ` Eric Dumazet
2013-07-08 18:30 ` Ben Greear
2013-07-08 19:01 ` Eric Dumazet
2013-07-08 19:59 ` Ben Greear
2013-07-08 20:10 ` Eric Dumazet
2013-07-08 20:17 ` Ben Greear
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