On Sun, 2009-03-15 at 14:32 -0700, Andrew Morton wrote:

quoted

[784063.389142] tg3: eth0: transmit timed out, resetting
[784063.447106] tg3: DEBUG: MAC_TX_STATUS[ffffffff] MAC_RX_STATUS[ffffffff]
[784063.524104] tg3: DEBUG: RDMAC_STATUS[ffffffff] WDMAC_STATUS[ffffffff]

At the time of tx timeout, the registers all return 0xffffffff.  Does
the subsequent reset bring the device back?  If the device is brought
back, there should be a link up message and traffic should resume.  If
not, please provide lspci -vvvxxx on the eth0 device after the failure.

Also, when one ethernet port fails, does the other port (from the same
dual port device) function ok?

Thanks.