recent bge(4) changes causing problems

[Steve Kargl]

On Mon, Oct 11, 2010 at 04:16:04PM -0700, Pyun YongHyeon wrote:
> On Mon, Oct 11, 2010 at 03:53:31PM -0700, Steve Kargl wrote:
> > 
> > In the time that it's taken me to compose this message
> > the timeout has fire again.
> > 
> > 15:47:07 kernel: bge0: watchdog timeout -- resetting
> > 15:47:07 kernel: bge0: link state changed to DOWN
> > 15:47:07 kernel: Limiting icmp unreach response from 439 to 200 packets/sec
> > 15:47:08 kernel: Limiting icmp unreach response from 330 to 200 packets/sec
> > 15:47:11 kernel: bge0: link state changed to UP
> > 15:47:12 kernel: Limiting icmp unreach response from 214 to 200 packets/sec
> > 15:47:13 kernel: Limiting icmp unreach response from 202 to 200 packets/sec
> > 15:47:14 kernel: Limiting icmp unreach response from 238 to 200 packets/sec
> > 15:49:42 kernel: bge0: link state changed to DOWN
> > 15:49:44 kernel: bge0: link state changed to UP
> > 
> > I not seen these icmp unreach response messages.
> > 
> 
> The icmp unreach has nothing to do with bge(4). Check whether a
> server that listens on an UDP port is still alive on your box.
> What worries me is bge(4) watchdog timeouts. It looks like your
> controller is BCM5704. I also have bge(4) regression report from
> marius on sparc64. He said r213945 seemed to cause the issue and
> I'm working on the issue. Could you also try the attached patch?

The patch did not help.  In fact, the icmp (which may be a side
effect of the bge0 device wedging) has become much worse.

SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad6s1a
bge1: link state changed to UP
bge0: link state changed to UP
Limiting icmp unreach response from 3433 to 200 packets/sec
Limiting icmp unreach response from 2017 to 200 packets/sec
Limiting icmp unreach response from 2017 to 200 packets/sec
Limiting icmp unreach response from 2049 to 200 packets/sec
bge0: watchdog timeout -- resetting
bge0: link state changed to DOWN
Limiting icmp unreach response from 1962 to 200 packets/sec
Limiting icmp unreach response from 2174 to 200 packets/sec
Limiting icmp unreach response from 2180 to 200 packets/sec
Limiting icmp unreach response from 2163 to 200 packets/sec
bge0: link state changed to UP

(removing 50 or so icmp messages).

I don't know if the following helps, but thought I would
include it here.

troutmask:sgk[204] ping hpc
PING hpc.apl.washington.edu (10.208.78.111): 56 data bytes
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available
ping: sendto: No buffer space available


-- 
Steve