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

[Maximiliano Bertacchini]

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?

-- 
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 at citefa.gov.ar - http://www.citefa.gov.ar/si6/
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x24385370
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