NIC Flapping problem?
Peter.Talmadge at CyberTools.biz
Peter.Talmadge at CyberTools.biz
Thu Jun 15 13:24:07 CDT 2006
Yes, we have checked and replaced all cables. They should be good.
At 01:48 PM 6/15/2006, Fred Skrotzki wrote:
>
>It also looks like it could be a cabling problem. Have you switched out
>the cable?
>
>-----Original Message-----
>From: linux-poweredge-bounces at dell.com
>[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Yaman Saqqa
>Sent: Thursday, June 15, 2006 10:01 AM
>To: Peter.Talmadge at cybertools.biz
>Cc: linux-poweredge at dell.com
>Subject: Re: NIC Flapping problem?
>
>Try turning tso off. It worked for me.
>ethtool -K eth0 tso off
>
>Peter.Talmadge at cybertools.biz wrote:
> > Hi all,
> >
> > Sometimes our NIC will drop connection for no apparent reason, and
> > usually shortly thereafter come back online. However sometimes it
> > will freeze up the machine.
> >
> > We have tried many hardware solutions including switching out the
> > NIC's, switching the firewall and switch devices, and even switching
> > out the motherboard which had an onboard Gb card. Nothing seems to
> > cure it, and we never had these problems prior to upgrading to RHEL4
> > from RedHat 9.
> >
> > Our latest effort is to slow down the NIC to 100Mb. We have set the
> > card to 100Mb/full duplex/autonegotiation off. However, we have had
> > the NIC hang on us again yesterday. In the /var/log/messages file, as
>
> > usual there is message like:
> >
> > Jun 14 12:30:19 maple kernel: NETDEV WATCHDOG: eth0: transmit
>timed out
> > Jun 14 12:30:23 maple kernel: e1000: eth0: e1000_watchdog: NIC
>Link
> > is Up 100 Mbps Full Duplex
> >
> > We are running a FortiGate60 firewall, and a D-Link Gigabit switch
> > that after this incident has been replaced by a Dell PowerConnect
> > 2708. The server is a PowerEdge 2650. I have tried to include some
> > diagnostics that might help below. Any help would be appreciated.
> > One other question, is this the official place to get the latest e1000
>
> > driver version http://sourceforge.net/projects/e1000, and would it
> > help to update the driver?
> >
> > ethtools -S eth0:
> >
> > NIC statistics:
> > rx_packets: 47386363
> > tx_packets: 88662955
> > rx_bytes: 4111506176
> > tx_bytes: 2296849700
> > rx_errors: 39526
> > tx_errors: 0
> > rx_dropped: 0
> > tx_dropped: 0
> > multicast: 0
> > collisions: 0
> > rx_length_errors: 19930
> > rx_over_errors: 0
> > rx_crc_errors: 12476
> > rx_frame_errors: 7003
> > rx_fifo_errors: 117
> > rx_no_buffer_count: 0
> > rx_missed_errors: 117
> > tx_aborted_errors: 0
> > tx_carrier_errors: 0
> > tx_fifo_errors: 0
> > tx_heartbeat_errors: 0
> > tx_window_errors: 0
> > tx_abort_late_coll: 0
> > tx_deferred_ok: 0
> > tx_single_coll_ok: 0
> > tx_multi_coll_ok: 0
> > rx_long_length_errors: 0
> > rx_short_length_errors: 0
> > rx_align_errors: 7003
> > tx_tcp_seg_good: 595533
> > tx_tcp_seg_failed: 0
> > rx_flow_control_xon: 0
> > rx_flow_control_xoff: 0
> > tx_flow_control_xon: 0
> > tx_flow_control_xoff: 0
> > rx_long_byte_count: 4111506176
> > rx_csum_offload_good: 47135867
> > rx_csum_offload_errors: 52
> >
> > lspci -vv:
> >
> > 03:01.0 Ethernet controller: Intel Corporation 82544GC Gigabit
> > Ethernet Controller (LOM) (rev 02)
> > Subsystem: Dell PRO/1000 XT Network Connection
> > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop-
> > ParErr- Stepping- SERR+ FastB2B-
> > Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium
> > >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> > Latency: 64 (63750ns min), Cache Line Size 10
> > Interrupt: pin A routed to IRQ 5
> > Region 0: Memory at fdae0000 (64-bit, non-prefetchable)
>[size=128K]
> > Region 2: Memory at fdac0000 (64-bit, non-prefetchable)
>[size=128K]
> > Region 4: I/O ports at dce0 [size=32]
> > Expansion ROM at fdb00000 [disabled] [size=128K]
> > Capabilities: [dc] Power Management version 2
> > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
> > PME(D0+,D1-,D2-,D3hot+,D3cold+)
> > Status: D0 PME-Enable- DSel=0 DScale=1 PME-
> > Capabilities: [e4] PCI-X non-bridge device.
> > Command: DPERE- ERO+ RBC=0 OST=0
> > Status: Bus=3 Dev=1 Func=0 64bit+ 133MHz+ SCD- USC-,
> > DC=simple, DMMRBC=2, DMOST=0, DMCRS=1, RSCEM-
> > Capabilities: [f0] Message Signalled Interrupts: 64bit+
> > Queue=0/0 Enable-
> > Address: 0000000000000000 Data: 0000
> >
> > ifconfig:
> >
> > eth0 Link encap:Ethernet HWaddr 00:06:5B:F3:ED:9E
> > inet addr:10.10.10.67 Bcast:10.10.10.255
>Mask:255.255.255.0
> > inet6 addr: fe80::206:5bff:fef3:ed9e/64 Scope:Link
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:47388158 errors:39547 dropped:117 overruns:117
> > frame:39430
> > TX packets:88664487 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:4111761171 (3.8 GiB) TX bytes:2297142353 (2.1
>GiB)
> > Base address:0xdce0 Memory:fdae0000-fdb00000
> >
> > _______________________________________________
> > Linux-PowerEdge mailing list
> > Linux-PowerEdge at dell.com
> > http://lists.us.dell.com/mailman/listinfo/linux-poweredge
> > Please read the FAQ at http://lists.us.dell.com/faq
> >
> >
>
>--
>yaman w saqqa
>sr_unix_administrator
>
>Integrant Inc.
>
>e ysaqqa at integrant.com.jo
>v 1 310 601-7486 x109 San Diego
>v 962 6 565-1762 x109 Amman
>
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