From: David Miller <davem@davemloft.net>
To: claudiu.manoil@freescale.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH net-next v2 0/2] gianfar: Tx timeout issue
Date: Mon, 10 Mar 2014 13:18:27 -0400 (EDT) [thread overview]
Message-ID: <20140310.131827.672807362272151307.davem@davemloft.net> (raw)
In-Reply-To: <1394196166-24932-1-git-send-email-claudiu.manoil@freescale.com>
From: Claudiu Manoil <claudiu.manoil@freescale.com>
Date: Fri, 7 Mar 2014 14:42:44 +0200
> There's an older Tx timeout issue showing up on etsec2 devices
> with 2 CPUs. I pinned this issue down to processing overhead
> incurred by supporting multiple Tx/Rx rings, as explained in
> the 2nd patch below. But before this, there's also a concurency
> issue leading to Rx/Tx spurrious interrupts, addressed by the
> 'Tx NAPI' patch below.
> The Tx timeout can be triggered with multiple Tx flows,
> 'iperf -c -N 8' commands, on a 2 CPUs etsec2 based (P1020) board.
Series applied, thanks.
next prev parent reply other threads:[~2014-03-10 17:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-07 12:42 [PATCH net-next v2 0/2] gianfar: Tx timeout issue Claudiu Manoil
2014-03-07 12:42 ` [PATCH net-next v2 1/2] gianfar: Separate out the Tx interrupt handling (Tx NAPI) Claudiu Manoil
2014-03-07 12:42 ` [PATCH net-next v2 2/2] gianfar: Use Single-Queue polling for "fsl,etsec2" Claudiu Manoil
2014-03-07 14:50 ` Claudiu Manoil
2014-03-10 17:18 ` David Miller [this message]
2014-03-11 8:10 ` [PATCH net-next v2 0/2] gianfar: Tx timeout issue Claudiu Manoil
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