netdev - Re: Natsemi DP83815 driver spaming

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Date:	Tue, 01 May 2007 21:52:30 +0200
From:	Rafał Bilski <rafalbilski@...eria.pl>
To:	Mark Brown <broonie@...ena.org.uk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Natsemi DP83815 driver spaming

>> 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.
> 
Code commented out and NIC is working OK. Strange.
eth0: DSPCFG accepted after 0 usec.
eth0: link up.
eth0: Setting full-duplex based on negotiated link capability.
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060
dspcfg = 0x00000000  np->dspcfg = 0x00005060

One problem solved in mean time :-)
> PCI: CS5530 video turned off.

[BTW, as Andrew said please don't drop people from the CC.]
I didn't. It is Thunderbird. I'm included instead of You. Fixed 
manually this time.

Regards
Rafał


----------------------------------------------------------------------- Linda jako gospodyni domowa - zobacz!!!
>>> http://link.interia.pl/f1a79

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