Why log message printed "e1000e 0000:0f:00.0: eth2: Reset adapter unexpectedly"

[耀耀葵_李]

Hi all,why my linux system server sometime printed "e1000e 0000:0f:00.0: eth2: Reset adapter unexpectedly" on log message,

did any one have seen that before?

kernel version:Linux 2.6.32-220.el6.x86_64 x86_64

Ethernet controller: Intel Corporation 82574L Gigabit Network Connection

Kernel driver in use: e1000e

Kernel modules: e1000e

[st4]

Hi yk.lee,

What is the brand and model of your server system?

rgds,

wb

[耀耀葵_李]

Hi wb_intel,

It's centos6.2

The server was make by our company and used as a storage server.

The cpu info.

processor: 0vendor_id: GenuineIntelcpu family: 6model: 42model name: Intel(R) Core(TM) i3-2120 CPU @ 3.30GHzstepping: 7cpu MHz: 3300.290cache size: 3072 KBphysical id: 0siblings: 4core id: 0cpu cores: 2apicid: 0initial apicid: 0fpu: yesfpu_exception: yescpuid level: 13wp: yesflags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt xsave avx lahf_lm arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpidbogomips: 6600.58clflush size: 64cache_alignment: 64address sizes: 36 bits physical, 48 bits virtual

power management:

Best&regards

leo

[idata]

Hi Leo,

Thank you for the information. You can try use the following ethtool command to disable the following parameter :ethtool -K eth0 gso off gro off tso off Thanks, wb

[耀耀葵_李]

Hi wb,

So if i set them off,its would cause the rate of flow going down or not?

By the way can you tell me what kinds of situation would cause the net adapter to reset?

Thanks!

Best&Regards

leo

[idata]

Hi Leo,

It is possible. There many possible reasons such as defective network adapter or traffic overload.rgds,wb

[idata]

Hi Leo,

Good day. Any further inquiries regarding this? rgds,wb