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netstat gone wacky and eating ~90% CPU
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Mac Enthusiast
Join Date: Feb 2002
Location: Atlanta
Status:
Offline
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Am I under attack?
How can I tell what's up?
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MacBook Pro C2D 2.16GHz 2GB 120GB OSX 10.4.9, Boot Camp 1.2, Vista Home Premium
mac mini 1.42, 60GB 7200rpm, 1GB (sold), dual 2GHz/G5 (sold), Powerbook 15" 1GHz (sold)
dual G4 800MHz (sold), dual G4 450MHz (sold), G4 450MHz (sold), Powerbook Pismo G3 500MHz (sold)
PowerMac 9500 132MHz 601, dual 180MHz 604e, Newer G3 400MHz (in closet)
Powermac 7100 80MHz (sold), Powermac 7100 66MHz (sold)
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Mac Elite
Join Date: Nov 2001
Status:
Offline
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Originally posted by sodamnregistered2:
Am I under attack?
How can I tell what's up?
Netstat handles the routing tables (do 'man netstat' from the command line).
Maybe you wanna run 'netstat -A' or 'netstat -r' from the command line and see what's going on, see if there are any weird connections.
May be a bit tough to figure out though if you're not a network engineer 
It's a normal process, though -- it MUST be running for the machine to function properly.
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Mac Elite
Join Date: Nov 2001
Location: Trafalmadore
Status:
Offline
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Originally posted by CatOne:
It's a normal process, though -- it MUST be running for the machine to function properly.
Netstat is not a process that will run normally. He should be able to kill that process. It is invoked from the command line in terminal.
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Mac Enthusiast
Join Date: Feb 2002
Location: Atlanta
Status:
Offline
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Originally posted by SMacTech:
Netstat is not a process that will run normally. He should be able to kill that process. It is invoked from the command line in terminal.
I'm not invoking it. Twice in recent days I've looked up and my CPUs are getting hammered. I kill the process, but I'm not sure what's starting it up or what it's doing?
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MacBook Pro C2D 2.16GHz 2GB 120GB OSX 10.4.9, Boot Camp 1.2, Vista Home Premium
mac mini 1.42, 60GB 7200rpm, 1GB (sold), dual 2GHz/G5 (sold), Powerbook 15" 1GHz (sold)
dual G4 800MHz (sold), dual G4 450MHz (sold), G4 450MHz (sold), Powerbook Pismo G3 500MHz (sold)
PowerMac 9500 132MHz 601, dual 180MHz 604e, Newer G3 400MHz (in closet)
Powermac 7100 80MHz (sold), Powermac 7100 66MHz (sold)
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Mac Elite
Join Date: May 2002
Status:
Offline
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CatOne is incorrect. netstat should not be running in normal circumstances, so
a) there is something wrong, and
b) feel free to kill it
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[vash:~] banana% killall killall
Terminated
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Senior User
Join Date: Aug 2001
Location: NY
Status:
Offline
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I have the same netstat craziness happen every now and again. I posted in the UNIX forums about it a few months ago and after people were kind enough to post back it seemed to go away for a while. I started getting it again once or twice a week a few weeks ago but I just kill it when it starts to act up now.
I don't really have any idea what causes it but I can usually tell right away when my dual 2.0 G5 starts to increase fan speed when it starts using 100% of one cpu. I've had the problem at least once each in 10.2.7, 10.2.8, 10.3, 10.3.1 and 10.3.2 if it helps.
-Jerry C.
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