netdev - Re: sky2 panic in 2.6.32.1 under load (new oops)

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Message-ID: <20091229235835.1f260eb0@nehalam>
Date:	Tue, 29 Dec 2009 23:58:35 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Michael Breuer <mbreuer@...jas.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Berck E. Nash" <flyboy@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: sky2 panic in 2.6.32.1 under load (new oops)

On Wed, 30 Dec 2009 02:23:20 -0500
Michael Breuer <mbreuer@...jas.com> wrote:

> Ok - I called dump_txring from sky2_net_intr:
> --- a/drivers/net/sky2.c
> +++ b/drivers/net/sky2.c
> @@ -2725,8 +2791,10 @@ static void sky2_watchdog(unsigned long arg)
>   /* Hardware/software error handling */
>   static void sky2_err_intr(struct sky2_hw *hw, u32 status)
>   {
> -       if (net_ratelimit())
> +       if (net_ratelimit()) {
>                  dev_warn(&hw->pdev->dev, "error interrupt 
> status=%#x\n", status);
> +               dump_txring(hw, 0);
> +       }
> 
>          if (status & Y2_IS_HW_ERR)
>                  sky2_hw_intr(hw);
> 
> And got this:
> Dec 30 02:17:23 mail kernel: sky2 0000:06:00.0: error interrupt 
> status=0x40000008
> Dec 30 02:17:23 mail kernel: sky2 0000:06:00.0: error interrupt 
> status=0x40000008
> Dec 30 02:17:23 mail kernel: sky2 Tx ring pending=28...30 report=29 done=29
> Dec 30 02:17:23 mail kernel: sky2 Tx ring pending=28...30 report=29 done=29
> Dec 30 02:17:23 mail kernel: sky2 0000:06:00.0: error interrupt status=0x8
> Dec 30 02:17:23 mail kernel: sky2 0000:06:00.0: error interrupt status=0x8
> Dec 30 02:17:23 mail kernel: sky2 Tx ring pending=30...32 report=30 done=31
> Dec 30 02:17:23 mail kernel: sky2 Tx ring pending=30...32 report=30 done=31
> 

I notice that you have NOUVEAU Nvidia drivers loaded? The one difference in HW
between your board and mine is that I have ATI video card.

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