Re: dual port EM nic wedging under load

["Sepherosa Ziehau" <sepherosa@gmail.com>]

On 11/24/06, Mike Tancsa <mike@sentex.net> wrote:

> [r2-dragonfly]# pciconf -lv
> none0@pci0:0:0: class=0x058000 card=0x815a1043 chip=0x005e10de
> rev=0xa3 em0@pci1:0:0:   class=0x020000 card=0x115e8086
> chip=0x105e8086 rev=0x06 hdr=0x00
>      vendor   = 'Intel Corporation'
>      device   = 'PRO/1000 PT'
>      class    = network
>      subclass = ethernet
> em1@pci1:0:1:   class=0x020000 card=0x115e8086 chip=0x105e8086
> rev=0x06 hdr=0x00
>      vendor   = 'Intel Corporation'
>      device   = 'PRO/1000 PT'
>      class    = network
>      subclass = ethernet
>
> em stats posrt wedge

Can you post the output of em's debug_info sysctl?

> em0: Adapter: 0xda491ec0
> em0: Excessive collisions = 0
> em0: Symbol errors = 0
> em0: Sequence errors = 0
> em0: Defer count = 0
> em0: Missed Packets = 7202325
> em0: Receive No Buffers = 1472
> em0: Receive length errors = 0
> em0: Receive errors = 0
> em0: Crc errors = 0
> em0: Alignment errors = 0
> em0: Carrier extension errors = 0
> em0: XON Rcvd = 0
> em0: XON Xmtd = 5
> em0: XOFF Rcvd = 0
> em0: XOFF Xmtd = 7202331
> em0: Good Packets Rcvd = 6560
> em0: Good Packets Xmtd = 16
> em1: Adapter: 0xda492540
> em1: Excessive collisions = 0
> em1: Symbol errors = 0
> em1: Sequence errors = 0
> em1: Defer count = 0
> em1: Missed Packets = 0
> em1: Receive No Buffers = 0
> em1: Receive length errors = 0
> em1: Receive errors = 0
> em1: Crc errors = 0
> em1: Alignment errors = 0
> em1: Carrier extension errors = 0
> em1: XON Rcvd = 0
> em1: XON Xmtd = 0
> em1: XOFF Rcvd = 0
> em1: XOFF Xmtd = 0
> em1: Good Packets Rcvd = 5
> em1: Good Packets Xmtd = 5909
>
> as seen leading up to and during the wedge
> [r2-dragonfly]# netstat -ni 1
>              input        (Total)           output
>     packets  errs      bytes    packets  errs      bytes colls
>           0     0          0          0     0          0     0
>           1     0         60          0     0          0     0
>           0     0          0          0     0          0     0
>           1     0         60          0     0          0     0
>           0     0          0          0     0          0     0
>        5889 279836     419388       5888     0     376832     0
>           0 380706          0          0     0          0     0
>           0 379626          0          0     0          0     0
>           1 382278         60          0     0          0     0
>
>
>
> --------------------------------------------------------------------
> Mike Tancsa,                                      tel +1 519 651 3400
> Sentex Communications,                            mike@sentex.net
> Providing Internet since 1994                    www.sentex.net
> Cambridge, Ontario Canada                         www.sentex.net/mike


--
Live Free or Die