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From: Rick Jones <rick.jones2@hp.com>
To: "Kok, Auke" <auke-jan.h.kok@intel.com>
Cc: L F <lfabio.linux@gmail.com>,
	James Chapman <jchapman@katalix.com>,
	netdev@vger.kernel.org
Subject: Re: e1000 driver and samba
Date: Mon, 17 Sep 2007 11:02:58 -0700	[thread overview]
Message-ID: <46EEC152.8090005@hp.com> (raw)
In-Reply-To: <46ECB95F.2090100@intel.com>

Kok, Auke wrote:
> L F wrote:
> 
>>>>>>tx_deferred_ok: 486
>>>
>>>this one I wonder about, and might cause delays, I'll have to look
>>>up what it exactly could implicate though.
>>
>>Please do and let me know. samba 3.0.26 helped, but the issue is
>>still there.
> 
> 
> ok, from the spec: tx_deferred_ok is what is in the DC stats register. DC stands
> for "Deferred Count". This initially is meant to track how often the TX unit cannot
> send because the medium is busy in a Half-Duplex link state.
> 
> To me it suggests that your speed is not full-duplex. Check `ethtool eth0` output
> and see if your link is full duplex or not. also check previous kernel messages
> and see what the e1000 driver posted there for link speed messages (as in "e1000:
>  Link is UP speed XXX duplex YYY")

Shouldn't there then have been at least _some_ collisions reported in 
the stats?  And perhaps some late collisions?

rick jones

  parent reply	other threads:[~2007-09-17 18:04 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-14  2:04 e1000 driver and samba L F
2007-09-14 17:18 ` Kok, Auke
2007-09-14 18:40   ` L F
2007-09-14 20:59     ` Kok, Auke
2007-09-15  0:37       ` L F
2007-09-15  5:09         ` Bill Fink
2007-09-15 12:27           ` L F
2007-09-15 12:44             ` L F
2007-09-15 17:44       ` James Chapman
2007-09-15 19:07         ` Kok, Auke
2007-09-16  4:06           ` L F
2007-09-16  5:04             ` Kok, Auke
2007-09-17 16:42               ` L F
2007-09-17 17:02                 ` Kok, Auke
2007-09-17 18:58                   ` L F
2007-09-17 21:01                     ` Brandeburg, Jesse
2007-09-18  6:03                       ` Bill Fink
2007-09-18  7:45                         ` Urs Thuermann
2007-09-18  8:47                           ` Bill Fink
2007-09-18 13:39                           ` Florian Weimer
2007-09-18 16:32                             ` L F
2007-09-18 17:04                               ` Tantilov, Emil S
2007-09-19 14:53                                 ` L F
2007-09-20  2:51                                   ` Bill Fink
2007-09-21 14:08                                     ` L F
2007-09-20  4:53                                   ` Bill Fink
2007-09-18 16:44                             ` Bill Fink
2007-09-17 18:02               ` Rick Jones [this message]
2007-09-17 18:51                 ` Kok, Auke
2007-09-16 16:24           ` James Chapman
2007-09-16 20:03             ` Kok, Auke
2007-09-16  4:07         ` L F
2007-09-14 18:26 ` Francois Romieu
2007-09-14 18:41   ` L F
  -- strict thread matches above, loose matches on Subject: below --
2007-09-20 23:30 Bruce Cole
2007-09-21 14:13 ` L F
2007-09-21 18:21   ` Bruce Cole
2007-09-21 21:49 ` Francois Romieu
2007-09-21 22:01   ` Bruce Cole
2007-09-21 22:41     ` Francois Romieu

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