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Re: r8169: panic on 2.6.11

To: Stephen Hemminger <shemminger@xxxxxxxx>
Subject: Re: r8169: panic on 2.6.11
From: Jeff Garzik <jgarzik@xxxxxxxxx>
Date: Fri, 04 Mar 2005 16:37:39 -0500
Cc: Francois Romieu <romieu@xxxxxxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <20050304132804.270cf05b@dxpl.pdx.osdl.net>
References: <20050304132804.270cf05b@dxpl.pdx.osdl.net>
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Stephen Hemminger wrote:
I was intentionally over stressing r8169 without NAPI to test out
an alternative version of netif_rx, and discovered the following bug.
Looks like a problem in r8169. I was using pktgen to overwhelm the r8169
from a fast machine.

Does 2.6.10 fail in a similar manner?


eth0: Too much work at interrupt!
eth0: Too much work at interrupt!
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:91!

Any idea what this BUG actually means? Since it's in skb_over_panic(), a function designed to do nothing but BUG(), that doesn't tell us a whole lot about the callsite.


        Jeff



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