From: Prasanna Panchamukhi <ppanchamukhi@riverbed.com>
To: jeffrey.t.kirsher@intel.com
Cc: Jeff Kirsher <tarbal@gmail.com>,
prasanna.panchamukhi@riverbed.com, bruce.w.allan@intel.com,
jeffrey.e.pieper@intel.com, bhutchings@solarflare.com,
gospo@redhat.com, sassmann@redhat.com,
jesse.brandeburg@intel.com, e1000-devel@lists.sourceforge.net,
netdev@vger.kernel.org
Subject: Re: [PATCH] e1000e: MSI interrupt test failed, using legacy interrupt
Date: Thu, 26 Apr 2012 17:42:19 -0700 [thread overview]
Message-ID: <4F99EB6B.7090000@riverbed.com> (raw)
In-Reply-To: <4F99E653.4000608@gmail.com>
On 04/26/2012 05:20 PM, Jeff Kirsher wrote:
> On 04/26/2012 05:05 PM, prasanna.panchamukhi@riverbed.com wrote:
>> From: Prasanna S. Panchamukhi<ppanchamukhi@riverbed.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@riverbed.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
>
>
next prev parent reply other threads:[~2012-04-27 0:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-27 0:05 [PATCH] e1000e: MSI interrupt test failed, using legacy interrupt prasanna.panchamukhi
2012-04-27 0:20 ` Jeff Kirsher
2012-04-27 0:42 ` Prasanna Panchamukhi [this message]
2012-04-27 0:46 ` Jeff Kirsher
2012-04-27 1:40 ` Ben Hutchings
2012-04-27 19:52 ` Prasanna Panchamukhi
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