From: Andrew Morton <akpm@linux-foundation.org>
To: lqs_xting@sohu.com
Cc: bugme-daemon@bugzilla.kernel.org, netdev@vger.kernel.org,
Auke Kok <auke-jan.h.kok@intel.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
"Ronciak, John" <john.ronciak@intel.com>
Subject: Re: [Bugme-new] [Bug 10322] New: e1000 is not auto-negotiating to 1GB full duplex speed even there is 1GB speed availble
Date: Tue, 25 Mar 2008 12:36:54 -0700 [thread overview]
Message-ID: <20080325123654.91f80b00.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-10322-10286@http.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Tue, 25 Mar 2008 07:29:56 -0700 (PDT)
bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=10322
>
> Summary: e1000 is not auto-negotiating to 1GB full duplex speed
> even there is 1GB speed availble
> Product: Drivers
> Version: 2.5
> KernelVersion: 2.6.23
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Network
> AssignedTo: jgarzik@pobox.com
> ReportedBy: lqs_xting@sohu.com
> CC: lqs_xting@sohu.com
>
>
> Latest working kernel version: 2.6.23.9
> Earliest failing kernel version: 2.6.21
err, according to this, we had the bug in 2.6.21 and then fixed it in
2.6.23.9, so this is a report of an already fixed bug ;)
Can you please clarify the version numbers here?
> Distribution:
> Hardware Environment: e1000 with 82571 chip
> Software Environment: CentOS 4.5
> Problem Description:
> We have a machine with the e1000(82571) driver which could not detect the
> correct link mode with a switch supports 1000 Mbps/s. I just find that the
> ethtool can't support 10 Mbps/s Half and 1000 Mbps/s Full mode. Therefore, the
> e1000 code should be fixed by add all modes at the 216 lines in
> e1000_ethtool.c. It is as follow:
>
> hw->autoneg_advertised |= ecmd->advertising |
> ADVERTISED_TP |
> ADVERTISED_Autoneg;
>
>
> Steps to reproduce:
> 1. Add a entry ' ETHTOOL_OPTS="autoneg on" ' in the
> /etc/sysconfig/network-scripts/ifcfg-eth0;
> 2. Run '/etc/init.d/network restart';
> 3. Run 'ethtool eth0', it displays the speed is 100 Mbps/s. But the real link
> mode should be 1000 Mbps/s
next parent reply other threads:[~2008-03-25 19:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-10322-10286@http.bugzilla.kernel.org/>
2008-03-25 19:36 ` Andrew Morton [this message]
2008-03-25 22:02 ` [Bugme-new] [Bug 10322] New: e1000 is not auto-negotiating to 1GB full duplex speed even there is 1GB speed availble Kok, Auke
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