netdev - Re: tg3: BMC stops responding in 3.0

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Message-Id: <201109262031.33956.a.miskiewicz@gmail.com>
Date:	Mon, 26 Sep 2011 20:31:33 +0200
From:	Arkadiusz Miśkiewicz <a.miskiewicz@...il.com>
To:	"Matt Carlson" <mcarlson@...adcom.com>
Cc:	"Michael Chan" <mchan@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tg3: BMC stops responding in 3.0

On Monday 26 of September 2011, Matt Carlson wrote:
> On Fri, Sep 23, 2011 at 12:45:50PM -0700, Arkadiusz Mi??kiewicz wrote:
> > Hi,
> > 
> > I was using 2.6.38.8 and recently tried to switch to 3.0.4 on Tyan S2891
> > platform.
> > 
> > This platform uses tg3:
> > tg3 0000:0a:09.1: eth1: Tigon3 [partno(BCM95704) rev 2003]
> > (PCIX:133MHz:64- bit) MAC address 00:e0:81:33:5e:af
> > tg3 0000:0a:09.1: eth1: attached PHY is 5704 (10/100/1000Base-T Ethernet)
> > (WireSpeed[1], EEE[0])
> > tg3 0000:0a:09.1: eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0]
> > TSOcap[1] tg3 0000:0a:09.1: eth1: dma_rwctrl[769f4000] dma_mask[64-bit]
> > 
> > With 2.6.38.8 everything was working fine. With 3.0.4 there is a problem.
> > As soon as tg3 module is loaded or eth0 configured (can't tell which one
> > since the machine is 400km away from me and I have no way to play with
> > it other than ipmi or ssh) BMC stops responding (so all ipmitool
> > commands over LAN stop working). Normal tg3 activity is not affected - I
> > can ssh-in without a problem etc but ipmi over lan doesn't work.
> > 
> > From ssh console "ipmitool lan print" works, shows data but for example
> > after "ipmitool mc reset cold" it doesn't recover - ipmitool returns
> > "Invalid channel: 255". I have to reboot to 2.6.38.8 and then issue
> > "ipmitool mc reset cold" to recover.
> > 
> > Any idea which tg3 change could break this? Can't bisect this due remote
> > access only.
> > 
> > I was hoping that maybe 9e975cc291d80d5e4562d6bed15ec171e896d69b
> > "tg3: Fix io failures after chip reset" will fix things for me but no -
> > this doesn't help.
> 
> What version of the tg3 driver are you working with?

The one in 3.0.4 kernel. I think it's 3.119 (at least modinfo says so).

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/
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