netdev - Re: sky2 hang with 2.6.28 and 2.6.29-rc2

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Message-ID: <1246.87.196.10.75.1232661869.squirrel@webmail.decimal.pt>
Date:	Thu, 22 Jan 2009 22:04:29 -0000 (WET)
From:	"Jorge Bastos" <mysql.jorge@...imal.pt>
To:	"Stephen Hemminger" <shemminger@...tta.com>
Cc:	netdev@...r.kernel.org
Subject: Re: sky2 hang with 2.6.28 and 2.6.29-rc2

I see Stephen,
Well, no problem then since the driver don't crash.
with 2.6.27 it used to crash.
I'll stay tunned to see it with 2.6.28+ the crash will happen, and if yes,
how do i get the dump?
That info doesn't get logged in the logs don't know why (maybe some
dumbness from me)

> On Thu, 22 Jan 2009 21:02:32 -0000 (WET)
> "Jorge Bastos" <mysql.jorge@...imal.pt> wrote:
>
>> Hi,
>> I've noticed with the kernel's (two different machines) 2.6.28 and
>> 2.6.29-rc2, that the NIC's were hanging.
>>
>> In the kernel output i have:
>> ---
>> sky2 eth0: receiver hang detected
>> sky2 eth0: disabling interface
>> sky2 eth0: enabling interface
>> sky2 eth0: Link is up at 1000 Mbps, full duplex, flow control rx
>> ---
>
> Marvell ram fifo has hardware problem where if it gets full it hangs.
> The driver snoops to look for this, and the should recover. Unfortunately,
> the recovery may take long enough to disturb connections.
>


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