Broadcom NIC fails to detect link signal on kernel 2.6.29-rc

[Bertacchini, Maximiliano]

> Hi. 
> 
> When running any of the 2.6.29-rc kernels, the Broadcom NIC on my Dell
XPS1330 
> laptop (tg3.ko module) fails to detect the network link under some
conditions. 
> It works fine only in the following scenarios (using an ethernet straight 
> through cable):
> - when connected to another computer
> - when connected to the uplink port in a hub/switch
> but fails to detect the ethernet link otherwise. That is, all lights in
the 
> NIC are off, no "Link is up..." message appears in dmesg and ethtool
prints 
> "Link detected: no".
> 
> # lspci -v
> 09:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast 
> Ethernet PCI Express (rev 02)
>         Subsystem: Dell XPS M1330
>         Flags: bus master, fast devsel, latency 0, IRQ 30
>         Memory at fe5f0000 (64-bit, non-prefetchable) [size=64K]
>         Expansion ROM at <ignored> [disabled]
>         Capabilities: [48] Power Management version 3
>         Capabilities: [50] Vital Product Data
>         Capabilities: [58] Vendor Specific Information <?>
>         Capabilities: [e8] MSI: Mask- 64bit+ Count=1/1 Enable+
>         Capabilities: [d0] Express Endpoint, MSI 00
>         Capabilities: [100] Advanced Error Reporting
>         Capabilities: [13c] Virtual Channel <?>
>         Capabilities: [160] Device Serial Number 33-22-cf-fe-ff-9b-21-00
>         Kernel driver in use: tg3
>         Kernel modules: tg3
> 
> Anyone else experiencing this issue?

Just discovered that the NIC works fine when connected to a hub/switch using
a crossover cable. I guess there is some issue with the automatic crossover
support.

-- 
Ing. Maximiliano Bertacchini
SI6 - DINFO - CITEFA
San Juan B. de La Salle 4397 B1603ALO Villa Martelli - Pcia. Bs. As.
Tel: (54-11) 4709-8285
e-mail: mbertacchini citefa gov ar - http://www.citefa.gov.ar/si6/
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