From: "Ilpo_Järvinen" <[email protected]>
Date: Thu, 3 May 2007 09:51:36 +0300 (EEST)
> [PATCH] [TCP]: Use S+L catcher only with SACK for now
>
> TCP has a transitional state when SACK is not in use during
> which this invariant is temporarily broken. Without SACK,
> tcp_clean_rtx_queue does not decrement sacked_out. Therefore
> calls to tcp_sync_left_out before sacked_out is again
> corrected by tcp_fastretrans_alert can trigger this trap as
> sacked_out still has couple of segments that are already out
> of window.
>
> Signed-off-by: Ilpo Järvinen <[email protected]>
It would be nice to fix non-SACK as you say, but this is good
enough for now.
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