On Thu, Aug 03, 2006 at 09:49:17AM -0700, Randy.Dunlap wrote:
> Interesting. On my Dell D610 notebook with tg3 and vpn,
> I have to ping a server on the vpn to keep it alive, otherwise
> it disappears soon and I have to restart the vpn. Of course,
> this could just be the vpn or some other software problem
> instead of a tg3 problem.
That sounds almost certainly like a VPN problem. The tg3_timer() code
wakes up every second or tenth of a second (depending on which mode
you're in) and takes care of keeping the tg3 hardware mollified. On a
standard kernel, this shouldn't ever be an issue. For the -rt kernel,
this problem only shows up if you have enough tasks running at
rtprio's above the rtprio of the softirq-timer for long enough that
tg3 chip gets angry....
- Ted
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