netdev - Re: tg3 appears to be sick in 2.6.33

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Message-Id: <201001071445.44550.dmitry.torokhov@gmail.com>
Date:	Thu, 7 Jan 2010 14:45:43 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Matt Carlson <mcarlson@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tg3 appears to be sick in 2.6.33

On Thursday 07 January 2010 02:24:44 pm Eric Dumazet wrote:
> Le 07/01/2010 21:48, Matt Carlson a écrit :
> > Nothing jumps to mind.  Let me see if I can repro this here.
> >
> > On Thu, Jan 07, 2010 at 11:56:31AM -0800, Dmitry Torokhov wrote:
> >> Hi,
> >>
> >> Ever since I moved post 2.6.32 tg3 seems to be very sick in my Latitude
> >> D630, it discards most of the packages for some reason:
> >>
> >> [root@...r-d630 ~]# ethtool -S eth0 | grep rx_
> >>      rx_octets: 35886
> >>      rx_fragments: 0
> >>      rx_ucast_packets: 9
> >>      rx_mcast_packets: 93
> >>      rx_bcast_packets: 237
> >>      rx_fcs_errors: 0
> >>      rx_align_errors: 0
> >>      rx_xon_pause_rcvd: 0
> >>      rx_xoff_pause_rcvd: 0
> >>      rx_mac_ctrl_rcvd: 0
> >>      rx_xoff_entered: 0
> >>      rx_frame_too_long_errors: 0
> >>      rx_jabbers: 0
> >>      rx_undersize_packets: 0
> >>      rx_in_length_errors: 0
> >>      rx_out_length_errors: 0
> >>      rx_64_or_less_octet_packets: 0
> >>      rx_65_to_127_octet_packets: 0
> >>      rx_128_to_255_octet_packets: 0
> >>      rx_256_to_511_octet_packets: 0
> >>      rx_512_to_1023_octet_packets: 0
> >>      rx_1024_to_1522_octet_packets: 0
> >>      rx_1523_to_2047_octet_packets: 0
> >>      rx_2048_to_4095_octet_packets: 0
> >>      rx_4096_to_8191_octet_packets: 0
> >>      rx_8192_to_9022_octet_packets: 0
> >>      rx_discards: 304
> >>      rx_errors: 0
> >>      rx_threshold_hit: 0
> >>
> >> The above on last night pull from Linux (so 2.6.33+).
> >>
> >> Everything works fine if I use wireless or another wired card (Realtek
> >> in cardbus slot):
> >>
> >> [root@...r-d630 ~]# lspci | grep -ri net
> >> 04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> >> RTL-8139/8139C/8139C+ (rev 10)
> >> 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755M
> >> Gigabit Ethernet PCI Express (rev 02)
> >> 0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG
> >> [Golan] Network Connection (rev 02)
> >>
> >> [root@...r-d630 ~]# ethtool eth0
> >> Settings for eth0:
> >>         Supported ports: [ TP ]
> >>         Supported link modes:   10baseT/Half 10baseT/Full
> >>                                 100baseT/Half 100baseT/Full
> >>                                 1000baseT/Half 1000baseT/Full
> >>         Supports auto-negotiation: Yes
> >>         Advertised link modes:  10baseT/Half 10baseT/Full
> >>                                 100baseT/Half 100baseT/Full
> >>                                 1000baseT/Half 1000baseT/Full
> >>         Advertised auto-negotiation: Yes
> >>         Speed: 1000Mb/s
> >>         Duplex: Full
> >>         Port: Twisted Pair
> >>         PHYAD: 1
> >>         Transceiver: internal
> >>         Auto-negotiation: on
> >>         Supports Wake-on: g
> >>         Wake-on: g
> >>         Current message level: 0x000000ff (255)
> >>         Link detected: yes
> >>
> >> Any ideas? Thanks!
> 
> My laptop is a D630, and running 2.6.33-rc3 with no special problems on tg3
>

This is wierd... It all works well with Fedora 12 kernel and .32 so hardware 
is fine here. I think it also worked when I plugged it into my home router 
(will try it again tonight). But in the office it just does not want to work. 
It's like it just does not like the addresses that we use here...

-- 
Dmitry
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