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From: Vivek Khera <vivek@khera.org>
Date: Mon, 4 Apr 2005 12:35:20 -0400
To: Scott Long <scottl@samsco.org>
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Subject: Re: (no) Problems with AMD64 and 8 GB RAM?
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On Apr 4, 2005, at 12:02 PM, Scott Long wrote:

> Vivek Khera wrote:
>> On Apr 1, 2005, at 11:22 PM, James R. Van Artsdalen wrote:
>>> I installed 5.4 beta 1 amd64 on a 8 GB Tyan Thunder K8W with two 244 
>>> CPUs.  It's been looping on buildworld for about 60 hours, no 
>>> problems.
>>>
>> can you see what happens when you run very heavy network I/O through 
>> it?  I assume it has a bge network interface.  I experience severe 
>> lockups and/or timeouts every few days on a K8SR board.
>> Vivek Khera, Ph.D.
>> +1-301-869-4449 x806
>
> What network interfaces do you use?

Right now I have the on-board Broadcom:

bge0: <Broadcom BCM5704C Dual Gigabit Ethernet, ASIC rev. 0x2003> mem 
0xfc9b0000-0xfc9bffff,0xfc9c0000-0xfc9cffff irq 24 at device 9.0 on 
pci3
miibus0: <MII bus> on bge0
brgphy0: <BCM5704 10/100/1000baseTX PHY> on miibus0
brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 
1000baseTX-FDX, auto

However, my vendor is shipping me an Intel NIC card to try to see if 
that is really the problem.  but given another post on freebsd-amd64 
list, I am now suspecting a PCI-x bus timing fault on the S2881 
motherboard.

Vivek Khera, Ph.D.
+1-301-869-4449 x806