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List:       linux-ia64
Subject:    Re: ethtool -d MCAs rx2600
From:       Jack Steiner <steiner () sgi ! com>
Date:       2004-01-29 20:41:08
Message-ID: 20040129204108.GC6997 () sgi ! com
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On Thu, Jan 29, 2004 at 11:18:37AM -0800, Grant Grundler wrote:
> On Mon, Jan 26, 2004 at 12:39:42PM -0500, Jeff Garzik wrote:
> > I get lockups occasionally on x86 too, but have had higher priority 
> > things to look at.  Since regdump is mainly an engineer's tool, we felt 
> > it was a "use at your own risk" feature.
> > 
> > But if we can fix it, all the better.
> 
> tg3_get_regs() is reading registers that don't exist.
> Neither HPUX nor tru64 drivers attempt to touch NVRAM on BCM5700/1 chips.
> And tg3 in most other places doesn't either.
> It just needs to check TG3_FLAG_NVRAM before reading NVRAM regs.
> 
> Jack, you also using the bcm5701 chip?

Yes. Tigon3 [rev 0105 PHY(5701)] (PCI:66MHz:64-bit


We'll apply the patch. 

Thanks....



> 
> Jeff, please apply. Following patch is against 2.6.2-rc2.
> 
> thanks,
> grant
> 
> ===== drivers/net/tg3.c 1.81 vs edited =====
> --- 1.81/drivers/net/tg3.c	Wed Dec 31 23:40:32 2003
> +++ edited/drivers/net/tg3.c	Thu Jan 29 10:19:46 2004
> @@ -5904,7 +5904,9 @@
>  	GET_REG32_LOOP(MSGINT_MODE, 0x0c);
>  	GET_REG32_1(DMAC_MODE);
>  	GET_REG32_LOOP(GRC_MODE, 0x4c);
> -	GET_REG32_LOOP(NVRAM_CMD, 0x24);
> +	if (tp->tg3_flags & TG3_FLAG_NVRAM) {
> +		GET_REG32_LOOP(NVRAM_CMD, 0x24);
> +	}
>  
>  #undef __GET_REG32
>  #undef GET_REG32_LOOP
> -
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-- 
Thanks

Jack Steiner (steiner@sgi.com)          651-683-5302
Principal Engineer                      SGI - Silicon Graphics, Inc.


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