poll stalled?

[Luigi Rizzo]

inaccessibility is (possibly) coming from a bug in setting the
watchdog in the fxp (and other) drivers, long since fixed I believe.

On top of this, the '...stalled' messages come out when some
interrupt handlers take longer than one timer tick, something
that happens frequently e.g. when there is a change in the PHY
of the medium, and also for other reasons.

	cheers
	luigi

On Tue, Apr 08, 2003 at 09:34:19AM -0400, Steve Shorter wrote:
> Howdy!
> 
> 	I have a server, FreeBSD 4.6.2, with 3 fxp network interfaces,
> polling enabled, kern.polling.user_frac is 50, and kernel
> compiled with Hz = 1000.
> 
> 	It became inaccessable over the network and when I logged in
> over the console the following message(s) were written to it...
> 
> 	:
> 	poll [14322] stalled in phase 2
> 	poll [14323] stalled in phase 2
> 	:
> 
> 	etc..
> 
> 	What causes this? Is it a bug or an indication for tuning?
> The only tunables for polling that I know of is Hz and the user_frac sysclt
> 
> 
> 	Is there a fix for this?
> 
> 	thanx - steve
> 	
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