On 11/01/2011 15:04, Mike Tancsa wrote:
On 12/24/2010 5:44 PM, Jan Koum wrote:
hi Ivan and Mike,

wanted to follow up and see if you found a solid long-term solution to this
bug. we are still seeing this problem in our 8.2 environment with ASPM
already disabled.  here is what we have:

1. motherboard is SuperMicro X8SIE-LN4F Intel Xeon:


Hi Jack,
        Looks like this problem is not completely gone :(  I have seen it now 
on 2 different machines. On the RELENG_7, ASPM was enabled in the BIOS (INTEL  
DH55TC MB), so I have disabled that for now to see what happens. On the 
RELENG_8 machine, its been a LOT better since 7.1.8, but again it happened last 
night during a backup

My machine is still holding up but it doesn't yet handle full traffic.

I've just noticed something strange: both em0 and em1 are marked "active" in ifconfig even though there's no cable in em1 port :(

em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        
options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
        ether 00:25:90:0b:77:5c
        inet 10.10.0.33 netmask 0xffffff00 broadcast 10.10.0.255
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
em1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
        
options=219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC>
        ether 00:25:90:0b:77:5d
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active

(100 mbit is expected)

Note "AER 1 0 fatal 0 non-fatal 1 corrected" in my output - I don't know if it's significant.

e...@pci0:3:0:0: class=0x020000 card=0x040d15d9 chip=0x10d38086 rev=0x00 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
bar [10] = type Memory, range 32, base 0xfb5e0000, size 131072, enabled
    bar   [18] = type I/O Port, range 32, base 0xdc00, size 32, enabled
bar [1c] = type Memory, range 32, base 0xfb5dc000, size 16384, enabled
    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 002590ffff0b775c
e...@pci0:4:0:0: class=0x020000 card=0x040d15d9 chip=0x10d38086 rev=0x00 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82574L Gigabit Ethernet Controller (82574L)'
    class      = network
    subclass   = ethernet
bar [10] = type Memory, range 32, base 0xfb6e0000, size 131072, enabled
    bar   [18] = type I/O Port, range 32, base 0xec00, size 32, enabled
bar [1c] = type Memory, range 32, base 0xfb6dc000, size 16384, enabled
    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 002590ffff0b775d

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