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Open Source and information security mailing list archives
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Date: Tue, 01 May 2007 21:10:30 +0200 From: Rafał Bilski <rafalbilski@...eria.pl> To: 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. 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 ---------------------------------------------------------------------- Kasia Cichopek eksponuje biust >>> http://link.interia.pl/f1a6f - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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