cvs commit: src/sys/dev/nfe if_nfe.c if_nfereg.h

JoaoBR joao at
Tue May 6 20:10:55 UTC 2008

On Thursday 17 April 2008 01:22:33 Pyun YongHyeon wrote:
> yongari     2008-04-17 04:22:33 UTC
>   FreeBSD src repository
>   Modified files:        (Branch: RELENG_7)
>     sys/dev/nfe          if_nfe.c if_nfereg.h
>   Log:
>   MFC if_nfe.c rev 1.28, if_nfereg.h rev 1.12 to RELENG_7.
>     Add support for MCP73 chips.
>   Revision  Changes    Path
>  +12 -0     src/sys/dev/nfe/if_nfe.c
>  +4 -0      src/sys/dev/nfe/if_nfereg.h
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Hi there

seems to be something wrong with the nfe drv since a couple of weeks or so, 
don't know exactly the date

happens that I get 25 CPU time stolen, top tells me 75-80% idle even if 
nothing is active on the machine, I do a ifconfig nfe0 down and cpu comes 

top does not show any process using, neither toggling H nor C and no active 
process, everything idle. I have a hard time to debug this. Poloong or not 
does not make a difference

I do not get it on all hardware but here two I am sure:

nfe0: <NVIDIA nForce MCP61 Networking Adapter> port 0xec00-0xec07 mem 
0xfe02d000-0xfe02dfff irq 20 at device 7.0 on pci0
miibus0: <MII bus> on nfe0
ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

nfe0: <NVIDIA nForce4 CK804 MCP9 Networking Adapter> port 0xd000-0xd007 mem 
0xfe02b000-0xfe02bfff irq 22 at device 10.0 on pci0
miibus3: <MII bus> on nfe0
ciphy0: <Cicada CS8201 10/100/1000TX PHY> PHY 1 on miibus3
ciphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto

tell me what you need I can provide any further info when you give me 

I disconnect even the cable and no change, only down gets me the cpu time back




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