[Bug 279102] Re: Unreliable network connection with B44 driver
Marsux
jr at komite.net
Mon Mar 23 16:56:23 UTC 2009
I also have a laptop with the Broadcom Corporation BCM4401-B0 100Base-TX
(rev 02) chipset. I am using the b44 kernel driver. If I load it without
doing anything, the link goes up then down, and this cycles with a delay
from one down to the next up. Playing with the option of the kernel
module I found out that this problem disappears when setting the speed
limit at 10 Mbps.
# ethtool -s eth0 speed 10 autoneg off
(replace eth0 by what applies to your situation). I have no problems when I use this option.
I realize it is not a perfect solution, since it limits the speed of the network connection, but slower network is better than no network at all.
I have been looking for solutions for this issue from time to time on
forums but no explanation for this issue have come up yet. I have never
seen any notice on the fact that setting the speed limit at 10 Mbps
makes the problem disappear. Maybe it can provide a hint to people
trying to get rid of this behaviour, if it is confirmed that it helps
getting rid of faulty behaviour at 100 Mbps.
Hope this helps.
PS: my graphic chipset is an Intel Corporation Mobile 915GM/GMS/910GML
Express Graphics Controller (rev 03), I am not sure graphic chipsets
have anything to do with the issue.
--
Unreliable network connection with B44 driver
https://bugs.launchpad.net/bugs/279102
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