bge wedging 8.2-RC1

[Kevin Lo]

Peter Lai wrote:
> Hello
> 
> I've got a new Dell Precision workstation here with a BCM5761 on intel
> mobo for westmere xeons that is wedging with interrupt storm and will
> lockup the system randomly. I have turned HTT and auto powermanagement
> off in bios (system cannot sleep), lowest cpu acpi state is C1.
> 
> Here is dmesg:
> bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev.
> 0x5761100> mem 0xf3be0000-0xf3beffff,0xf3bf0000-0xf3bfffff irq 17 at
> device 0.0 on pci6
> bge0: CHIP ID 0x05761100; ASIC REV 0x5761; CHIP REV 0x57611; PCI-E
> miibus0: <MII bus> on bge0
> brgphy0: <BCM5761 10/100/1000baseTX PHY> PHY 1 on miibus0
> brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
> 
> Here is pciconf -lv:
> bge0 at pci0:6:0:0:	class=0x020000 card=0x026d1028 chip=0x168114e4
> rev=0x10 hdr=0x00
>     vendor     = 'Broadcom Corporation'
>     device     = 'Broadcom 57XX Gigabit Integrated Controller  (BCM5761)'
>     class      = network
>     subclass   = ethernet
> 
> here is the setup in rc.conf:
> 
> ifconfig_bge0="polling -tso -vlanhwtso -vlanhwtag -vlanmtu inet
> 192.168.123.124 netmask 255.255.255.0"
> 
> I have the card plugged into a dlink DSS8 100mbps switch with one
> other 100mbps device on it (rich man's crossover cable).
> 
> Before turning off TSO4 and VLAN tagging (because I don't use them),
> the card would do several things:
> 1. 1 out of 3 reboots: Fail to bring interface up. ifconfig would hang
> and systat/vmstat showed 800+ interrupts per second on IRQ256
> 2. After a few hours lock up the system, requiring hard reboot
> 
> After disabling TSO4 and VLAN stuff:
> bge0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
> 	options=80083<RXCSUM,TXCSUM,VLAN_HWCSUM,LINKSTATE>
> 	media: Ethernet autoselect (100baseTX
> <full-duplex,flowcontrol,rxpause,txpause>)
> 
> Everything seemed fine for about two weeks and then suddenly started
> acting up again, locked up, after hard reboot, soft reboot, link will
> not come up and I see interrupt storm again....
> 
> I am close to buying an intel card to replace the bcm, but then I
> noticed that the main intel desktop PCI-E card is 82574L-based and
> people are having em driver wedging on that too. So now I have broken
> ethernet on this box; my primary link is atheros 5212 pci card and I
> may be out of pci slots (or else I might try a pci intel card).

On -current, the em(4) driver works great for me on high load.

em0 at pci0:1:0:0: class=0x020000 card=0x6c801462 chip=0x10d38086 rev=0x00
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
    cap 01[c8] = powerspec 2  supports D0 D3  current D0
    cap 05[d0] = MSI supports 1 message, 64 bit 
    cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1)
    cap 11[a0] = MSI-X supports 5 messages in map 0x1c enabled
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
ecap 0003[140] = Serial 1 002421ffffdcd321
em1 at pci0:2:0:0: class=0x020000 card=0x6c801462 chip=0x10d38086 rev=0x00
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
    cap 01[c8] = powerspec 2  supports D0 D3  current D0
    cap 05[d0] = MSI supports 1 message, 64 bit 
    cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1)
    cap 11[a0] = MSI-X supports 5 messages in map 0x1c enabled
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
ecap 0003[140] = Serial 1 002421ffffdcd322


	Kevin