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From: "Mark Williams (MWP)" <mwp@internode.on.net>
To: Lincoln Dale <ltd@cisco.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: TG3: very high CPU usage
Date: Tue, 20 Jan 2004 20:46:06 +1030	[thread overview]
Message-ID: <20040120101606.GA26273@linux.comp> (raw)
In-Reply-To: <5.1.0.14.2.20040120204119.032e6ba8@171.71.163.14>

> [you may want to use linux-net@vger.kernel.org instead of linux-kernel; its 
> possible that the tg3 folk lost your email in the flood]
> 
> At 08:17 PM 20/01/2004, Andreas Hartmann wrote:
> >Hi,
> >
> >I searched for tg3 in lkml and found one more posting, dealing with these 
> >problems (subject):
> >
> >bcm5705 with tg3 driver and high rx load -> bad system responsiveness
> >
> >There really seems to be a problem. Ronald Wahl pointed out, that the 
> >driver from
> >http://www.broadcom.com/drivers/downloaddrivers.php does not have the 
> >problem. Maybe, we could both look for drivers from the hardware producer 
> >and test them? I will do it when I'm back at work in two weeks.
>
> how exactly are you "triggering" the high CPU load?  i.e. what is the 
> server doing?  file-sharing?  NFS?  CIFS?  something else?

Any transfer (Apache, FTP, Samaba), causes it.

> i have LOTS of IBM xSeries servers (IBM x335, x345, x440), all of which 
> have Broadcom BCM 5700 (tg3) NICs.
> i drive them all at wire-rate gig-e with iSCSI.
> 
> i'm yet to see any 'excessive' CPU load associated with tg3 relative to 
> tigon2 (AceNIC2) and Intel e1000 NICs.

It might not effect those cards.
I think the TG3 driver was changed to support the card im trying to use (Netgear GA302T) and similar.

  reply	other threads:[~2004-01-20 10:16 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.g9joqss.1nneajs@ifi.uio.no>
     [not found] ` <fa.e29fqcc.sick10@ifi.uio.no>
2004-01-20  9:17   ` TG3: very high CPU usage Andreas Hartmann
2004-01-20  9:44     ` Lincoln Dale
2004-01-20 10:16       ` Mark Williams (MWP) [this message]
2004-01-20 12:09         ` Lincoln Dale
     [not found] <fa.eu7l1gd.ekqe1j@ifi.uio.no>
2004-01-19 11:32 ` Andreas Hartmann
2004-01-20  3:54   ` Mark Williams (MWP)
2004-01-19  3:35 Mark Williams (MWP)
2004-01-20 12:33 ` JG
2004-01-20 23:13   ` Lincoln Dale
2004-01-21  3:19     ` Tom Sightler
2004-01-22  3:57       ` Lincoln Dale
2004-01-22 12:55         ` JG
2004-01-24 13:43           ` JG
2004-01-25  0:03             ` Lincoln Dale
2004-01-25 12:31               ` JG
2004-01-31  9:15                 ` JG
2004-02-01  0:20                   ` Lincoln Dale
2004-02-07 18:26                     ` JG
2004-02-08  0:00                       ` Lincoln Dale
2004-02-09 10:13                         ` JG
2004-01-22 16:06         ` Tom Sightler

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