regression: msk0 watchdog timeout and interrupt storm

[Yonghyeon PYUN]

On Thu, Oct 31, 2013 at 11:05:37PM +0400, Boris Samorodov wrote:
> 31.10.2013 17:33, Boris Samorodov пишет:
> > 30.10.2013 06:16, Yonghyeon PYUN пишет:
> >> On Tue, Oct 29, 2013 at 05:38:27PM +0400, Boris Samorodov wrote:
> > 
> >>> >From time to time I use a notebook and boot FreeBSD from USB
> >>> stick. FreeBSD 9.2-i386 works OK. So I tried to use
> >>> FreeBSD 10.0-i386 BETA2 and the network adapter works for
> >>> some 10-15 seconds and then stops with diagnostic message
> >>> "msk0:watchdog timeout". I've found similar case at
> >>> freebsd-current@ with no workaround. Yes, there is an
> >>> interrupt storm as well.
> >>
> >> There had been no functional changes for very long time so I'm not
> >> sure what's going on here.  I've attached local change I have at
> >> this moment but I'm afraid it wouldn't address the issue above.
> >>
> >> I recall jhb also reported interrupt storm in the past but the root
> >> cause was not identified yet.  Could you change msk_intr() and let
> >> me know which interrupt is firing?
> > 
> > I've yet to organize a build.
> 
> Success! The system is up, fetching and uploading for an hour now.
> No more watchdog timeouts, storms and freeses (stable/10, i386,
> r257422M, modified by your patch).
> 

Committed in r257490.
Thanks a lot for reporting and testing!