Re: Up_down~up

2008-08-16 Thread Jos Chrispijn

Michael Powell wrote:

I recently had an onboard 82540 chip fry out. It started sporadically and
over time became more frequent. When I googled I found many references to
heat problems. I then disabled rx/tx checksum offload and it seemed like it
fixed it, but only for a short while. It got worse and ultimately died
altogether. Had to disable and put a PCI NIC in.
  
Micheael, thanks for sharing; I will keep this in mind and if neccessary 
replace the nic.

Jos
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Up_down~up

2008-08-15 Thread Jos Chrispijn

Just saw this in my security log:

+++ /tmp/security.CVzQ19kE  2008-08-15 00:04:29.0 +0200
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP

Does this indicate a nearly_broken nic or is this caused by someting else?
Jos


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Up_down~up

2008-08-15 Thread Robert Huff

Jos Chrispijn writes:
  Just saw this in my security log:
  
  +++ /tmp/security.CVzQ19kE   2008-08-15 00:04:29.0 +0200
  +fxp0: link state changed to DOWN
  +fxp0: link state changed to UP
  +fxp0: link state changed to DOWN
  +fxp0: link state changed to UP
  +fxp0: link state changed to DOWN
  +fxp0: link state changed to UP

My (em) cards do this - one UP, one DOWN, one UP - on system
boot.

Robert Huff

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Re: Up_down~up

2008-08-15 Thread Paul Procacci

Jos Chrispijn wrote:

Just saw this in my security log:

+++ /tmp/security.CVzQ19kE2008-08-15 00:04:29.0 +0200
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP
+fxp0: link state changed to DOWN
+fxp0: link state changed to UP

Does this indicate a nearly_broken nic or is this caused by someting 
else?

Jos


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I've seen this with a bad cat5 cable a couple of times.

~Paul
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Re: Up_down~up

2008-08-15 Thread Jos Chrispijn

Robert Huff wrote:

My (em) cards do this - one UP, one DOWN, one UP - on system
boot.
  
You might be right; I did reboot my system at that time. Only I saw this 
for the first time...


thanks for sharing,
Jos
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Re: Up_down~up

2008-08-15 Thread Michael Powell
Jos Chrispijn wrote:

 Just saw this in my security log:
 
 +++ /tmp/security.CVzQ19kE2008-08-15 00:04:29.0 +0200
 +fxp0: link state changed to DOWN
 +fxp0: link state changed to UP
 +fxp0: link state changed to DOWN
 +fxp0: link state changed to UP
 +fxp0: link state changed to DOWN
 +fxp0: link state changed to UP
 
 Does this indicate a nearly_broken nic or is this caused by someting else?
 Jos

I recently had an onboard 82540 chip fry out. It started sporadically and
over time became more frequent. When I googled I found many references to
heat problems. I then disabled rx/tx checksum offload and it seemed like it
fixed it, but only for a short while. It got worse and ultimately died
altogether. Had to disable and put a PCI NIC in.

While it is normal to see the ifup/down a couple of times at boot, it is an
abnormal indication when you begin seeing lots of them in /var/log/messages
during normal operation. If you notice a pause for a short while in your
network connection and then a tail /var/log/messages starts showing you
these messages your NIC is probably dying. If you only see a couple of
these at boot you're probably OK.

-Mike



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