netdev - Re: NETDEV WATCHDOG: %s (%s): transmit queue %u timed out

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Message-ID: <20120523223210.GA20536@electric-eye.fr.zoreil.com>
Date:	Thu, 24 May 2012 00:32:10 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	George Spelvin <linux@...izon.com>
Cc:	davej@...hat.com, kernel-team@...oraproject.org,
	netdev@...r.kernel.org
Subject: Re: NETDEV WATCHDOG: %s (%s): transmit queue %u timed out

George Spelvin <linux@...izon.com> :
[...]
> Unfortunately, the last reboot was on Feb. 26, and the kernel logs don't
> go back that far, so I'm not sure if 3.3-rc5 reported this priblem or not.

You may try the attached patches on top of current -git. A complete dmesg
will be welcome. So will an 'ethtool -d eth0' if the device stops working.

You did not label the problem as a serious one. Does it means that the
driver automatically recovers ?

I'll add some ring and registers debug stuff tomorrow.

-- 
Ueimor

View attachment "0001-r8169-avoid-clearing-the-end-of-Tx-descriptor-ring-m.patch" of type "text/plain" (1040 bytes)

View attachment "0002-r8169-TxPoll-hack-rework.patch" of type "text/plain" (4286 bytes)