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Old 07-15-2008, 05:33 PM
Simen Timian Thoresen
 
Default r8169-driver CentOS5.2

Hi all,

Another FYI-mail (and just to verify that I'm not going insane here);

I recently purchased an ASUS M3A78-EMH HDMI -board with a tri-core
Phenom. This is a small uATX-board with all the garnish integrated
motherboards are supposed to come with, and fairly well supported in
CentOS 5 and other modern distros. When I installed it (~2 months ago)
the NIC was not supported;


Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 02)


...but Realtek provided a 2.6-kernel compatible r8168-driver;
r8168-8.006.00

When the CentOS 5.2 updates were published, I saw to my happiness that
the kernel-supplied r8169-driver now handled the NIC, and I had no
reason to rebuild the r8168-driver to support the new kernel.


Last time I rebooted, was July 2nd, to the 2.6.19-92.1.6.el5 kernel.

Since then, the kernel supplied r8169-driver worked like a charm. The
machine is a home file-server, serving files over NFS and SMB, and runs
my torrent downloads. It also pulls CentOS updates. I would have noticed
if it did not work.


Today, I got around to replacing a failed disk, and after rebooting I
had no network connectivity. The NIC displayed 'weird' symptoms; 10Mbps
link as shown by ethtool, 100Mbps link as shown by the link-indicator on
the switch, ifconfig showed no TX-packets, some RX-packets, /billions/
of dropped packets - increasing by millions every second. The kernel log
showed multiple 'Link down' entries.


After digging around a little, swapping switch-ports, yattayatta, I
unloaded the r8169-module (rmmod) and built and loaded the
Realtek-supplied r8168-module.


Link up, packtes going in and out, no dropped packets, GigE link, etc etc.

At this point I have no idea what actually happened. I'm thinking some
weird state on the PHY of the NIC (I've seen this on the Nvidia NICs)
that was not flushed due to a too short power-loss, or possibly that the
r8168-driver sets some PHY-state that was not lost at the kernel-update
that brought me the 'working' r8169-driver, or something similar.


I'm taking suggestions, tho.

Anyone else with this same board, CentOS 5.2 (x86_64) and using the
r8169-driver?


-S


--
Simen Thoresen, Dolphin ICS
Systems Administration and Wulfkit Support
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-15-2008, 06:30 PM
"Miguel Filho"
 
Default r8169-driver CentOS5.2

On Tue, Jul 15, 2008 at 2:33 PM, Simen Timian Thoresen
<simentt@dolphinics.no> wrote:
> Hi all,
>
> Another FYI-mail (and just to verify that I'm not going insane here);
>
> Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
> Express Gigabit Ethernet controller (rev 02)


There was recent conversation about this Realtek card last week.

http://lists.centos.org/pipermail/centos/2008-July/102988.html

This card is absolutely temperamental, IMHO.

Miguel

--
http://osysadmin.blogspot.com
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-15-2008, 06:59 PM
Simen Timian Thoresen
 
Default r8169-driver CentOS5.2

Miguel Filho wrote:

On Tue, Jul 15, 2008 at 2:33 PM, Simen Timian Thoresen
<simentt@dolphinics.no> wrote:

Hi all,

Another FYI-mail (and just to verify that I'm not going insane here);

Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 02)



There was recent conversation about this Realtek card last week.

http://lists.centos.org/pipermail/centos/2008-July/102988.html

This card is absolutely temperamental, IMHO.


Ah! Thank you. 'temperamental' covers it nicely, thank you.

Ok, I'll put a e1000-card on my list for my next hw-upgrade.

-S


Miguel




--
Simen Thoresen, Dolphin ICS
Systems Administration and Wulfkit Support
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 

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