On Tue, 2012-07-17 at 07:35 +0200, Eric Dumazet wrote:
[ 266.248330] tg3 0000:09:00.0: eth0: 0x00004800: 0x080303fe,
0x00000010, 0x00000000, 0x00000020
RDMAC_STATUS (0x4804) is showing 0x10 which is parity error.
[ 266.247878] tg3 0000:09:00.0: eth0: 0x00000000: 0x167314e4,
0x40100506, 0x02000002, 0x00000010
PCI Status (0x06) is also showing SERR (0x4000)
Assuming your chip is not a bad chip, I'll have to look around for a
5755M and see if I can duplicate the problem.