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Date: Sun, 20 Aug 2006 10:30:18 GMT
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From: =?ISO-8859-1?Q?Oddbj=F8rn_Steffensen?= <oddbjorn@tricknology.org>
Cc: 
Subject: Re: usb/88408: axe0 read PHY failed
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The following reply was made to PR usb/88408; it has been noted by GNATS.

From: =?ISO-8859-1?Q?Oddbj=F8rn_Steffensen?= <oddbjorn@tricknology.org>
To: bug-followup@FreeBSD.org,  perrimd@pace.k12.mi.us
Cc:  
Subject: Re: usb/88408: axe0 read PHY failed
Date: Sun, 20 Aug 2006 12:24:17 +0200

 I had the same problem on an EPIA-based box running a recent RELENG_6
 equipped with
 both a D-Link and an SMC USB Ethernet adapter (both using the axe
 driver). The symptoms
 were identical; after a period of time one of the interfaces locked up,
 spewing read PHY
 failed messages. Tried to limit it by forcing the interfaces to
 10baseT/UTP, and this made
 them recover automatically:
 
 Aug 20 11:33:09 epia kernel: axe0: link state changed to DOWN
 Aug 20 11:33:09 epia kernel: axe0: read PHY failed
 Aug 20 11:33:09 epia kernel: axe0: read PHY failed
 Aug 20 11:33:09 epia kernel: axe0: link state changed to UP
 Aug 20 11:33:09 epia kernel: axe0: read PHY failed
 Aug 20 11:33:09 epia kernel: axe0: read PHY failed
 Aug 20 11:33:09 epia kernel: axe0: link state changed to DOWN
 Aug 20 11:33:09 epia kernel: axe0: read PHY failed
 Aug 20 11:33:09 epia kernel: axe0: link state changed to UP
 
 However, forcing the interface to full-duplex made the problem go away,
 even at 100baseTX
 and heavy load. The driver could perhaps handle duplex mismatches a bit
 more gracefully?