Re: Problem with NetworkManager, Ubuntu Edgy Eft and the bcm43xx driver

Comments inserted.

On Sun, 17 Dec 2006 11:07:35 -0500, Dan Williams <dcbw redhat com> wrote:

On Fri, 2006-12-15 at 12:12 -0700, David R Mulligan wrote:
I am writing this message partly in case others are having the same

If I leave my Dell Latitude D600 laptop with Dell 1450 wireless card
idle for a while, usually at least a couple of hours, I will start to
get this message repeated over and over in /var/log/messages "NETDEV
WATCHDOG: eth1: transmit timed out."  There are no other messages that
are obviously related and nothing else is logged between the netdev
messages.  When this happens my keyboard is dead and I am lucky if I can
shutdown my computer using the mouse to select shutdown (or anything
else for that matter.)

According to this thread network manager may be involved .  Either way my work around is to

That particular issue is a softmac locking problem, and not related to
NetworkManager, though NM will cause the problem to happen more often.
The real problem is that the softmac stack (which the driver for your
card appears to use) can't correctly handle two different programs
asking it for information at the same time.  There were a few driver
patches posted that could resolve the issue.

I was pretty sure it wasn't NM. You guys are too good for that. ;)


disable wireless through the nm-applet left click menu.  Fn-f2 to
disable the radio is not enough to stop the problem from happening.
Since disabling wireless through nm stops the problem seems to indicate
that nm is in some way at least a catalyst for the problem.


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