bge watchdog timeout errors FreeBSD 7.3

[Pyun YongHyeon]

On Thu, Sep 23, 2010 at 03:40:54PM +0100, a.smith at ukgrid.net wrote:
> Hi,
> 
>   we are seeing these errors repeatedly on a new Dell R300 server:
> 
> Sep 23 15:06:29 vcomm kernel: bge0: watchdog timeout -- resetting
> Sep 23 15:06:29 vcomm kernel: bge0: link state changed to DOWN
> Sep 23 15:06:31 vcomm kernel: bge0: link state changed to UP
> 
> Server OS is:
> 
> FreeBSD vcomm 7.3-RELEASE-p1 FreeBSD 7.3-RELEASE-p1 #0: Wed May 26  
> 04:29:05 UTC 2010      
> root at i386-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  i386
> 
> We have so far, changed the cable, changed the network port, and  
> lastly upgraded the server firmware (which included some update to the  
> NIC). But the issue continues.
> 
> Info on the hardware from dmesg:
> 
> bge0: <Broadcom BCM5722 A0, ASIC rev. 0x00a200> mem  
> 0xdfdf0000-0xdfdfffff irq 16 at device 0.0 on pci1
> miibus0: <MII bus> on bge0
> 
> No shared interrupts:
> 
> # vmstat -i
> interrupt                          total       rate
> irq16: mpt0                     21776213         30
> irq21: uhci0 uhci2+                  290          0
> irq23: atapci0                        58          0
> cpu0: timer                   1438708756       2006
> irq256: bge0                    50544776         70
> cpu1: timer                   1438700714       2006
> Total                         2949730807       4113
> 
> Network switch is Cisco, I can get the exact model if required.
> Is this a bug, hardware issue? Should I be worried?
> 

Please apply patch at the following URL and let me know how it goes.

http://svn.freebsd.org/viewvc/base/stable/7/sys/dev/bge/if_bge.c?r1=207862&r2=208995&view=patch
http://svn.freebsd.org/viewvc/base/head/sys/dev/bge/if_bge.c?r1=212302&r2=212755&view=patch