Intermittent network issues with Freebsd 6.2

[Mike Tancsa]

At 04:20 AM 2/28/2007, Jeremy Chadwick wrote:
>On Thu, Feb 15, 2007 at 03:54:18PM +1100, Dimuthu Parussalla wrote:
> > Hi,
> >
> > Dmesg output related to bge as follows.
> >
> > miibus0: <MII bus> on bge0
> > brgphy0: <BCM5750 10/100/1000baseTX PHY> on miibus0
> > brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
> > 1000baseTX-FDX, auto
> > bge0: Ethernet address: 00:11:25:e9:7f:58
> > bge0: [GIANT-LOCKED]
> > pcib6: <ACPI PCI-PCI bridge> at device 5.0 on pci0
> > pci8: <ACPI PCI bus> on pcib6
> > bge1: <Broadcom BCM5750 B1, ASIC rev. 0x4101> mem 0xc6ff0000-0xc6ffffff irq
> > 16 at device 0.0 on pci8
> > miibus1: <MII bus> on bge1
> > brgphy1: <BCM5750 10/100/1000baseTX PHY> on miibus1
> > brgphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
> > 1000baseTX-FDX, auto
> > bge1: Ethernet address: 00:11:25:e9:7f:59
> > bge1: [GIANT-LOCKED]
>
>
>Feb 17 11:22:00 eos kernel: bge0: watchdog timeout -- resetting
>Feb 17 11:22:00 eos kernel: bge0: link state changed to DOWN
>Feb 17 11:22:01 eos kernel: bge0: link state changed to UP
>Feb 24 11:20:56 eos kernel: bge0: watchdog timeout -- resetting
>Feb 24 11:20:56 eos kernel: bge0: link state changed to DOWN
>Feb 24 11:20:58 eos kernel: bge0: link state changed to UP
>
>bge0 at pci4:0:0:  class=0x020000 card=0x02c615d9 chip=0x165914e4 
>rev=0x11 hdr=0x00
>     vendor   = 'Broadcom Corporation'
>     device   = 'BCM5750A1 NetXtreme Gigabit Ethernet PCI Express'
>     class    = network
>     subclass = ethernet
>bge1 at pci5:0:0:  class=0x020000 card=0x02c615d9 chip=0x165914e4 
>rev=0x11 hdr=0x00
>     vendor   = 'Broadcom Corporation'
>     device   = 'BCM5750A1 NetXtreme Gigabit Ethernet PCI Express'
>     class    = network
>     subclass = ethernet

Pretty well the same thing we are seeing. Our interrupt rate is a bit 
higher as this is a fairly busy DNS server. I am guessing this is 
more an issue with the bge driver then a general network issue as 
other similarly loaded boxes with em nics are just fine for us.

http://lists.freebsd.org/pipermail/freebsd-stable/2007-February/033229.html


% vmstat -i
interrupt                          total       rate
irq1: atkbd0                           2          0
irq4: sio0                           444          0
irq14: ata0                      8076446          4
irq19: bge0                    703813296        385
irq21: nve0                     11884087          6
cpu0: timer                   3652950060       1999
Total                         4376724335       2396