netdev - Re: bnx2 is spamming dmesg

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Date:	Wed, 13 Oct 2010 23:36:48 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Keith Mannthey <kmannth@...ibm.com>
Cc:	netdev@...r.kernel.org, mchan@...adcom.com
Subject: Re: bnx2 is spamming dmesg

Le mercredi 13 octobre 2010 à 14:30 -0700, Keith Mannthey a écrit :
> Hello All,
>   For the last couple of months (since at least 2.6.35 somewhere) I have
> been seeing 
> 
> "
> ....
> [698612.423825] Device 0000:0b:00.0 unmapping: pfn ffc74-ffc74
> [698612.423831] Device 0000:0b:00.0 unmapping: pfn ff96d-ff96d
> [698612.639262] Device 0000:0b:00.0 unmapping: pfn ffc74-ffc74
> [698612.639269] Device 0000:0b:00.0 unmapping: pfn ff96d-ff96d
> ....
> "
> in my dmesg output.  
> 
> "
>  lspci -s 0000:0b:00.0
> 0b:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709
> Gigabit Ethernet (rev 20)
> "
> 
> The bnx2 driver is loaded on my system.  I am presently on 2.6.36-rc3
> kernels but like I mentioned I have been seeing this for a while.
> 
> 
> Any ideas? I would rather not have this endless message in my kernel
> logs. 
> 

drivers/pci/intel-iommu.c line 2737

pr_debug("Device %s unmapping: pfn %lx-%lx\n",
	pci_name(pdev), start_pfn, last_pfn);

So you asked/activated some debugging, because pr_debug() is not default
enabled...



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