6.2 SHOWSTOPPER - em completely unusable on 6.2

Wed Sep 27 07:20:06 PDT 2006

Hi!

On Wed, Sep 27, 2006 at 06:52:51AM -0700, Jeremy Chadwick wrote:
> On Wed, Sep 27, 2006 at 03:25:55PM +0200, Patrick M. Hausen wrote:
> > On Wed, Sep 27, 2006 at 02:42:30PM +0200, Philippe Pegon wrote:
> > > it's just a me too. On our ftp server (ftp8.fr.freebsd.org), sometimes
> > > we see some "watchdog timeout" in the log with a bge card, but maybe it's
> > > not the same problem... :
> > 
> > As far as I know the watchdog timeouts are _supposed_ to be
> > mostly harmless, i.e. recoverable.
> 
> You'll still see impact -- that is, no packets flowing.  The
> reason things are recoverable is solely because of the retry
> functionality for layer 2 packets...

You are, of course, right. What I meant is: these timeouts should
not lead to freezing of all network communications for a couple
of minutes like me and some other people seem to experience.

TCP and most UDP based upper level protocols will recover
gently from a lost packet or two.

Regards,
Patrick
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