Re: Loss of Ethernet adaptor

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On 06/06/2014 08:50 AM, James B. Byrne wrote:
> At ~07:40 (UTC-4:00) this morning our gateway host lost its WAN Ethernet
> adaptor.  Subsequent to recovery, which required a reboot, the following
> entries were find in /var/log/messages:
>
> Jun  6 07:39:50 gway02 kernel: PING_FLOOD: IN=eth0 OUT= MAC=00:25:90:61:74:c0:00
> :24:14:2b:f2:80:08:00 SRC=74.205.112.125 DST=216.185.71.33 LEN=64 TOS=0x00 PREC=
> 0x00 TTL=50 ID=30954 PROTO=ICMP TYPE=8 CODE=0 ID=25496 SEQ=0
> Jun  6 07:39:53 gway02 kernel: PROBE_BLACKIST: IN=eth0 OUT=eth1 SRC=122.235.101.
> 24 DST=216.185.71.249 LEN=52 TOS=0x08 PREC=0x20 TTL=45 ID=26123 DF PROTO=TCP SPT
> =54197 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0
> Jun  6 07:40:49 gway02 kernel: PROBE_BLACKIST: IN=eth0 OUT=eth1 SRC=183.179.211.
> 126 DST=216.185.71.132 LEN=48 TOS=0x08 PREC=0x40 TTL=111 ID=14994 PROTO=UDP SPT=
> 35947 DPT=49591 LEN=28
> Jun  6 07:40:49 gway02 kernel: pciehp 0000:00:1c.4:pcie04: Card not present on
> Slot(0-1)
> Jun  6 07:40:49 gway02 kernel: e1000e 0000:02:00.0: eth0: removed PHC
> Jun  6 07:40:49 gway02 kernel: pciehp 0000:00:1c.4:pcie04: Card present on
> Slot(0-1)
> Jun  6 07:40:50 gway02 kernel: e1000e 0000:02:00.0: eth0: Timesync Tx Control
> register not set as expected
> Jun  6 07:40:50 gway02 kernel: e1000e 0000:02:00.0: PCI INT A disabled
> Jun  6 07:40:51 gway02 ntpd[1238]: Deleting interface #67 eth0,
> fe80::225:90ff:fe61:74c0#123, interface stats: received=0, sent=0, dropped=0,
> active_time=229449 secs
> Jun  6 07:40:51 gway02 ntpd[1238]: Deleting interface #57 eth0,
> 216.185.64.54#123, interface stats: received=1122, sent=1122, dropped=0,
> active_time=229449 secs
> Jun  6 07:40:51 gway02 ntpd[1238]: 24.72.103.44 interface 216.185.64.54 -> (none)
>
>
>
> lspci -tv                  # provides this device tree
>
> -[0000:00]-+-00.0  Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx DMI
> Bridge
> . . .
>             +-1c.0-[01]--
>             +-1c.4-[02]----00.0  Intel Corporation 82574L Gigabit Network
> Connection
>             +-1c.5-[03]----00.0  Intel Corporation 82574L Gigabit Network
> Connection
> . . .
>
>
>
> lspci -v -nn -k -qq -D     # provides this information:
>
> . . .
> 0000:02:00.0 Ethernet controller [0200]: Intel Corporation 82574L Gigabit
> Network Connection [8086:10d3]
> 	Subsystem: Super Micro Computer Inc Device [15d9:10d3]
> 	Physical Slot: 0-1
> 	Flags: bus master, fast devsel, latency 0, IRQ 16
> 	Memory at fe9e0000 (32-bit, non-prefetchable) [size=128K]
> 	I/O ports at dc00 [size=32]
> 	Memory at fe9dc000 (32-bit, non-prefetchable) [size=16K]
> 	Capabilities: [c8] Power Management version 2
> 	Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
> 	Capabilities: [e0] Express Endpoint, MSI 00
> 	Capabilities: [a0] MSI-X: Enable+ Count=5 Masked-
> 	Capabilities: [100] Advanced Error Reporting
> 	Capabilities: [140] Device Serial Number 00-25-90-ff-ff-61-74-c0
> 	Kernel driver in use: e1000e
> 	Kernel modules: e1000e
> . . .
>
> I have never run into this before.  Can anyone cast any light on what might be
> going on?  Is this an incipient hardware failure with one of the on-board PCI
> Ethernet adaptors?  Is there any relationship with the syn flood that was
> blacklisted immediately before the failure?  I do not thinks so but I need to
> ask.
>
> Thanks,
>
Hi,

We ran into this problem also - the interface would disappear. There is newer e1000e driver that fixes it or you could
add pcie_aspm=off to your kernel command line.

HTH,
Steve

-- 
Stephen Clark
*NetWolves Managed Services, LLC.*
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark@xxxxxxxxxxxxx
http://www.netwolves.com
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