netdev - Re: [Bugme-new] [Bug 12877] New: tg3: eth0 transit timed out, resetting -> dead NIC

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Message-ID: <1237238601.8839.85.camel@HP1>
Date:	Mon, 16 Mar 2009 14:23:21 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
cc:	"Matthew Carlson" <mcarlson@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"bugme-daemon@...zilla.kernel.org" <bugme-daemon@...zilla.kernel.org>,
	"berni@...kenwald.de" <berni@...kenwald.de>
Subject: Re: [Bugme-new] [Bug 12877] New: tg3: eth0 transit timed out,
 resetting -> dead NIC


On Sun, 2009-03-15 at 14:32 -0700, Andrew Morton wrote:
> > [784063.389142] tg3: eth0: transmit timed out, resetting
> > [784063.447106] tg3: DEBUG: MAC_TX_STATUS[ffffffff] MAC_RX_STATUS[ffffffff]
> > [784063.524104] tg3: DEBUG: RDMAC_STATUS[ffffffff] WDMAC_STATUS[ffffffff]

At the time of tx timeout, the registers all return 0xffffffff.  Does
the subsequent reset bring the device back?  If the device is brought
back, there should be a link up message and traffic should resume.  If
not, please provide lspci -vvvxxx on the eth0 device after the failure.

Also, when one ethernet port fails, does the other port (from the same
dual port device) function ok?

Thanks.




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