Subject: Re: [PATCH -rt DO NOT APPLY] Fix for tg3 networking lockup

From: David Miller <[email-masked]>
Date: Thu, 03 Aug 2006 16:56:54 -0700 (PDT)

From: Theodore Tso <[email-masked]>
Date: Thu, 3 Aug 2006 19:53:26 -0400

> Any suggestions on how I could figure out what was really going on and
> what would be a better fix would be greatly appreciated.

As Michael explained, it's the ASF heartbeat sent by tg3_timer() that
must be delivered to the chip within certain timing constraints.

If you had any watchdog devices on this machine, they would likely
trigger too and reset your machine :)