forcedeth gigabit problems

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Hi,

I'm having some trouble with my onboard gigabit network. Sometimes
(seems to happen especially after reboots), f9 tries to fire up my
ethernet and wants to get an IP via DHCP. However, it reports that no
link was found and I should check the cable. This is annoying, since
later NFS mounts time out and I have to restart the network stuff
via /etc/init.d/network restart manually (which usually fixes the
problem, but I tend to end up in 100mbit mode only).

I'm sure that the cable is plugged in correctly and that gigabit works
if everything goes smooth.

I noticed that auto-negotiation can take up to a few seconds, maybe that
could be the problem? It also fails for a few seconds right after
removing and adding the forcedeth module. Any ideas or pointers?

Thanks, Stefan

-- 

> [root@dhcppc2 ~]# modprobe -v forcedeth
> insmod /lib/modules/2.6.25-0.218.rc8.git7.fc9.x86_64/kernel/drivers/net/forcedeth.ko 
> [root@dhcppc2 ~]# /etc/init.d/network restart
> Shutting down interface eth0:                              [  OK  ]
> Shutting down loopback interface:                          [  OK  ]
> Bringing up loopback interface:                            [  OK  ]
> Bringing up interface eth0:  
> Determining IP information for eth0... failed; no link present.  Check cable?
> 
>                                                            [FAILED]
> [root@dhcppc2 ~]# ethtool -i eth0
> driver: forcedeth
> version: 0.61
> firmware-version: 
> bus-info: 0000:00:08.0
> 
> [root@dhcppc2 ~]# ethtool eth0
> Settings for eth0:
> 	Supported ports: [ MII ]
> 	Supported link modes:   10baseT/Half 10baseT/Full 
> 	                        100baseT/Half 100baseT/Full 
> 	                        1000baseT/Full 
> 	Supports auto-negotiation: Yes
> 	Advertised link modes:  10baseT/Half 10baseT/Full 
> 	                        100baseT/Half 100baseT/Full 
> 	                        1000baseT/Full 
> 	Advertised auto-negotiation: Yes
> 	Speed: 100Mb/s
> 	Duplex: Full
> 	Port: MII
> 	PHYAD: 1
> 	Transceiver: external
> 	Auto-negotiation: on
> 	Supports Wake-on: g
> 	Wake-on: d
> 	Link detected: yes
> 
> lspci -v output:
> 00:08.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
> 	Subsystem: ASUSTeK Computer Inc. Unknown device 8239
> 	Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 2297
> 	Memory at fe02a000 (32-bit, non-prefetchable) [size=4K]
> 	I/O ports at b000 [size=8]
> 	Memory at fe029000 (32-bit, non-prefetchable) [size=256]
> 	Memory at fe028000 (32-bit, non-prefetchable) [size=16]
> 	Capabilities: [44] Power Management version 2
> 	Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
> 	Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
> Queue=0/3 Enable+
> 	Capabilities: [6c] HyperTransport: MSI Mapping Enable+ Fixed+
> 	Kernel driver in use: forcedeth
> 	Kernel modules: forcedeth

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