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List:       netbsd-users
Subject:    Re: Using multiple interfaces (3+) causes intermittent system freezes on NetBSD 5.1_STABLE and later
From:       Fredrik Pettai <pettai () nordu ! net>
Date:       2012-08-20 9:03:33
Message-ID: 68DE3302-09F9-4320-BEDC-F619B3B57073 () nordu ! net
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On Aug 16, 2012, at 10:50 , Fredrik Pettai wrote:
> On Aug 15, 2012, at 2:32 PM, Greg Troxel wrote:
> > 
> > I will try to dig it out reasonably quickly, but it's non-trivial and I
> > can't publish the repository it's in.
> > 
> > If your systems is running fine with 1 or 2 interfaces on the quad-port
> > card, you are likely not having the problem the patch fixes.  The
> > symptoms of the bug are that no packets can be received on an interface
> > (because there are no mbufs on the receive ring, and none free), but the
> > system mostly works otherwise.
> 
> To my surprise, the server got unresponsive again yesterday...(and it's currently \
> just using a single interface). I applied your patch (thanks btw.) and rebooted the \
> machine. I'll patch up the other interfaces later today, to speed up the process of \
> triggering the problem we've been seeing...

No, I was wrong. Someone had put the cables back in during my holiday. And even after \
I applied your patch to the bnx driver, it still gets unresponsive after a while, \
with 2+ interfaces connected.

Is there a PR for this quad port pci bridge problem?

Re,
/P


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