Thread (7 messages) flat view 7 messages, 3 authors, 2007-05-01

Re: Natsemi DP83815 driver spaming

From: Rafał Bilski <hidden>
Date: 2007-05-01 19:10:45
Also in: lkml

quoted
eth0: Media selection timer tick.
eth0: possible phy reset: re-initializing
This is why the reset is being triggered - it's a workaround for a hardware
bug which checks to make sure the hardware is in the state that the
kernel thinks it is is going off.  The code has this explanatory comment:

 * 2) check for sudden death of the NIC:
 *    It seems that a reference set for this chip went out with incorrect info,
 *    and there exist boards that aren't quite right.  An unexpected voltage
 *    drop can cause the PHY to get itself in a weird state (basically reset).
 *    NOTE: this only seems to affect revC chips.
Yes. I have revision C chip.
 
I'd suggest checking your power supply as a first step.
5,25V when not connected. 5,04V when connected to Wyse. I don't have access to 
osciloscope.
I will check if this code is nedded. If it is then I will try to get new power 
supply.
 
[BTW, as Andrew said please don't drop people from the CC.]
OK. Will not happen again.

Rafał



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