From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 19 Jul 2010 19:39:08 +0200

quoted text
> Do you know in what exact circumstance the bug triggers ?
> 
> It's hard to believe thousand of machines on the Internet never hit
> it :(
> 
> Maybe another problem in congestion control ?

This is something to investigate, but the conditions under which
tcp_fastretrans_alert() (the main invoker of tcp_xmit_retransmit_queue())
does it's thing are complicated enough that I'm going to add this fix
for the time being and push it out to stable too.

Thanks everyone.
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