netdev - Re: igb patches needed for stable

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Message-ID: <20140513095949.09333569@free-electrons.com>
Date:	Tue, 13 May 2014 09:59:49 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Christoph Paasch <christoph.paasch@...ouvain.be>,
	Carolyn Wyborny <carolyn.wyborny@...el.com>
Cc:	Jeff Pieper <jeffrey.e.pieper@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	netdev@...r.kernel.org, David Miller <davem@...emloft.net>
Subject: Re: igb patches needed for stable

Hello,

On Thu, 10 Apr 2014 14:36:03 +0200, Thomas Petazzoni wrote:
> Hello,
> 
> I just wanted to let you know that the following two patches:
> 
>   cb06d102327eadcd1bdc480bfd9f8876251d1007 igb: Fix Null-pointer dereference in igb_reset_q_vector
>   b709323d2477614823a38c2f2a9a206e087e28fc igb: Unset IGB_FLAG_HAS_MSIX-flag when falling back to msi-only
> 
> should probably be backported to stable 3.14 versions. The above
> patches are part of Linus tree, but merged after v3.14 has been
> released. However, they fix a regression introduced by cd14ef54d25b
> (igb: Change to use statically allocated array for MSIx entries), which
> is part of v3.14.
> 
> And I'm actually experiencing a crash igb_reset_q_vector() on a system
> which has MSI support, but not MSI-X support, and basically the code
> path of the driver which fallbacks from MSI-X to MSI is the one
> crashing. With both of these patches applied on top of 3.14, my igb NIC
> works fine.

Any news about these patches?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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