netdev - Re: [PATCH] e1000e: MSI interrupt test failed, using legacy interrupt

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Message-ID: <1335487569.2783.88.camel@jtkirshe-mobl>
Date:	Thu, 26 Apr 2012 17:46:09 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	prasanna.panchamukhi@...erbed.com
Cc:	bruce.w.allan@...el.com, jeffrey.e.pieper@...el.com,
	bhutchings@...arflare.com, gospo@...hat.com, sassmann@...hat.com,
	jesse.brandeburg@...el.com, e1000-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org
Subject: Re: [PATCH] e1000e:  MSI interrupt test failed, using legacy
 interrupt

On Thu, 2012-04-26 at 17:42 -0700, Prasanna Panchamukhi wrote:
> On 04/26/2012 05:20 PM, Jeff Kirsher wrote:
> > On 04/26/2012 05:05 PM, prasanna.panchamukhi@...erbed.com wrote:
> >> From: Prasanna S. Panchamukhi<ppanchamukhi@...erbed.com>
> >>
> >> Following logs where seen on Systems with multiple NICs&  ports,
> >> while using MSI interrupts as shown below:
> >>
> >> Feb 16 15:09:32 (none) user.notice kernel: 0000:00:0d.0: lan0_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:32 (none) user.notice kernel: 0000:40:0d.0: wan0_1: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:32 (none) user.notice kernel: 0000:40:0d.0: lan0_1: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:32 (none) user.warn kernel: 0000:40:0e.0: wan4_0: MSI interrupt
> >> test failed, using legacy interrupt.
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> Feb 16 15:09:32 (none) user.notice kernel: 0000:00:0e.0: wan1_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:33 (none) user.notice kernel: 0000:00:0e.0: lan1_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:33 (none) user.notice kernel: 0000:00:0f.0: wan2_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:33 (none) user.notice kernel: 0000:00:0f.0: lan2_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:33 (none) user.notice kernel: 0000:40:0a.0: wan3_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:33 (none) user.notice kernel: 0000:40:0a.0: lan3_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:34 (none) user.notice kernel: 0000:40:0e.0: lan4_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:34 (none) user.notice kernel: 0000:40:0f.0: wan5_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >> Feb 16 15:09:34 (none) user.notice kernel: 0000:40:0f.0: lan5_0: NIC Link is Up
> >> 1000 Mbps Full Duplex, Flow Control: RX/TX
> >>
> >> This patch changes the IRQ tests to use polling loops starting with a
> >> delay of 1 tick and doubling that if necessary up to a maximum total
> >> delay of approximately 1 second.
> >>
> >> Signed-off-by: Prasanna S. Panchamukhi<ppanchamukhi@...erbed.com>
> >> ---
> >>   drivers/net/ethernet/intel/e1000e/netdev.c |   27 +++++++++++++++++++++++----
> >>   1 files changed, 23 insertions(+), 4 deletions(-)
> > Thanks Prasanna, Dave did accept the previous patch, so does this patch
> > take that into account?
> No, If Dave has already accepted previous patch we can ignore this patch 
> for now.
> 
> Thanks,
> Prasanna

Yeah, he has accepted the previous patch so I will ignore this patch.

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