msk0: watchdog timeout interface hang

[YongHyeon PYUN]

On Tue, Feb 28, 2012 at 06:08:24PM -0500, Kim Culhan wrote:
> On Mon, Feb 20, 2012 at 6:56 PM, YongHyeon PYUN <pyunyh at gmail.com> wrote:
> > On Thu, Jan 26, 2012 at 05:46:23AM -0500, Kim Culhan wrote:
> >> On Wed, Jan 25, 2012 at 3:26 PM, Kim Culhan <w8hdkim at gmail.com> wrote:
> >> > Running 10-curent from 01-20-12
> >> > the msk0 interface hung, on the console:
> >> >
> >> > msk0: watchdog timeout
> >> > msk0: prefetch unit stuck?
> >> > msk0: initialization failed: no memory for Rx buffers
> >> >
> >> > Verbose boot dmesg output attached.
> >>
> >> This additional datapoint found, at boot after the last line in the
> >> verbose dmesg
> >> this line was logged to messages:
> >>
> >> Jan 25 15:21:19 foo kernel: interrupt storm detected on "irq257:";
> >> throttling interrupt source
> >
> > How about disabling MSI?(hw.msk.msi_disable loader tunable)
> 
> Running HEAD from 2-27-12, tested with MSI disabled and
> did not see any problems, this with a network traffic volume comparible to
> that when I had the original problem, which was running -current
> from 01-20-12.
> 
> Then re-enabled MSI and using svn, loaded /usr/src for HEAD
> and did not see any problems there either.
> 
> This traffic volume was also comparible to the earlier time when
> the problem occurred, ?running -current from 1-20-12.
> 
> It appears the problem may have been solved.
> 

Hmm, there was no msk(4) code change during the time window.
Probably the issue came from somewhere else.

> thanks
> -kim