bge wedging 8.2-RC1

[Peter Lai]

On Feb 7, 2011 7:38 PM, "Pyun YongHyeon" <pyunyh at gmail.com> wrote:
>
> On Mon, Feb 07, 2011 at 06:09:16PM -0600, 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
>
> This is strange. bge(4) does not use MSI if you build bge(4) with
> DEVICE_POLLING so seeing IRQ256 interrupts looks odd to me.
> Are you sure bge(4) is using IRQ256?

This is with GENERIC. I will rebuild with POLLING and try...

>
> > 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....
> >
>
> If you don't use DEVICE_POLLING, rebuild bge(4) with
> DEVICE_POLLING. For most cases, you don't need to enable polling on
> intelligent controllers like bge(4).
>
> I also have BCM5761 PCIe controller which shows no such issues. I
> know there is an edge case(send BD corruption) for BCM5761/BCM5784/
> BCM57780 which needs to be investigated. I'm not sure you're seeing
> that edge case though.
>
> > 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).