linux-kernel - Re: [r8169] WARNING: at net/sched/sch

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Message-ID: <20100331201426.GA3228@electric-eye.fr.zoreil.com>
Date:	Wed, 31 Mar 2010 22:14:26 +0200
From:	François Romieu <romieu@...zoreil.com>
To:	Neil Horman <nhorman@...hat.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [r8169] WARNING: at net/sched/sch_generic.c

Neil Horman <nhorman@...hat.com> :
[...]
> +1 I wouldn't be suprised if using something over the nominal 1522 byte frame
> length on r8169 caused tx errors.  The driver doesn't seem to support Jumbo
> frames, so my guess is you have to keep the packet size below 1522 bytes.

-1

The driver does not support Jumbo frames because the original 8169 will not
go much beyond 7200 (see r8169.c::SafeMtu and netdev circa 2004 december 7).

/me checks... Apparently it still works a bit.

Sergey, can you 'dmesg | grep XID' and send the output of a lspci as
well as the MTU used during the test ?

-- 
Ueimor
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