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Re: Using multiple interfaces (3+) causes intermittent system freezes on NetBSD 5.1_STABLE and later... [was: NetBSD 5 partly freezing, may be related to 802.1Q]

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?


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