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From: Richard Fuchs <richard.fuchs@inode.info>
To: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: slab corruption in skb allocs
Date: Fri, 04 Mar 2005 22:19:21 +0100	[thread overview]
Message-ID: <4228D0D9.9010301@inode.info> (raw)
In-Reply-To: <20050304201153.GR3163@waste.org>

_correction_ to my previous mail, this does _not_ happen with the 
eepro100 driver. (sorry for the confusion, i got the kernel images mixed 
up with all the testing i've been doing.)

could this affect the e1000 driver as well?


Matt Mackall wrote:

> Send the output of ethtool, please.

box 1, affected:

Settings for eth0:
         Supported ports: [ TP MII ]
         Supported link modes:   10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Supports auto-negotiation: Yes
         Advertised link modes:  10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Advertised auto-negotiation: Yes
         Speed: 100Mb/s
         Duplex: Full
         Port: MII
         PHYAD: 1
         Transceiver: internal
         Auto-negotiation: on
         Current message level: 0x000020c1 (8385)
         Link detected: yes



box 2, affected:

         Supported ports: [ TP MII ]
         Supported link modes:   10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Supports auto-negotiation: Yes
         Advertised link modes:  10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Advertised auto-negotiation: Yes
         Speed: 100Mb/s
         Duplex: Full
         Port: MII
         PHYAD: 1
         Transceiver: internal
         Auto-negotiation: on
         Supports Wake-on: g
         Wake-on: g
         Current message level: 0x00000007 (7)
         Link detected: yes



box 3, not affected:

         Supported ports: [ TP MII ]
         Supported link modes:   10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Supports auto-negotiation: Yes
         Advertised link modes:  10baseT/Half 10baseT/Full
                                 100baseT/Half 100baseT/Full
         Advertised auto-negotiation: Yes
         Speed: 100Mb/s
         Duplex: Full
         Port: MII
         PHYAD: 1
         Transceiver: internal
         Auto-negotiation: on
         Supports Wake-on: g
         Wake-on: g
         Current message level: 0x00000007 (7)
         Link detected: yes


> This tends to be checksum
> offloading not working as it should or the like. Can you repeat this
> with bulk ssh traffic?

yes, with various strange effects:

Received disconnect from 195.58.172.154: 2: Bad packet length 919251405.

or

Received disconnect from 195.58.172.154: 2: Corrupted MAC on input.


cheers
richard

  reply	other threads:[~2005-03-04 23:43 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-04  9:55 slab corruption in skb allocs Richard Fuchs
2005-03-04 11:53 ` Andrew Morton
2005-03-04 12:23   ` Richard Fuchs
2005-03-04 20:11     ` Matt Mackall
2005-03-04 21:19       ` Richard Fuchs [this message]
2005-03-04 21:27         ` Matt Mackall
2005-03-04 21:52           ` Richard Fuchs
2005-03-04 22:05             ` Matt Mackall
2005-03-04 22:51               ` Richard Fuchs
2005-03-05 18:25     ` Scott Feldman
2005-03-05 19:10       ` Richard Fuchs
2005-03-06 17:44         ` Scott Feldman
2005-03-06 18:40           ` Richard Fuchs
2005-03-07  5:07             ` Scott Feldman
2005-03-07  8:30               ` Richard Fuchs
2005-03-04 18:10 ` Dave Jones
2005-03-04 18:32   ` Richard Fuchs
2005-03-04 19:29     ` Richard Fuchs
2005-03-21 22:36 ` Andrew Morton

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