linux-kernel - Re: [PATCH] netconsole: Initialize after all core networking drivers

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Message-ID: <CAHA+R7OddkTrOoT1CrvoG=AJKddNyd4PZJFDBJXYXC1ucyHrNw@mail.gmail.com>
Date:	Mon, 28 Dec 2015 15:24:05 -0800
From:	Cong Wang <cwang@...pensource.com>
To:	Calvin Owens <calvinowens@...com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	Shrijeet Mukherjee <shm@...ulusnetworks.com>,
	izumi.taku@...fujitsu.com, John Linville <linville@...driver.com>,
	David Ahern <dsa@...ulusnetworks.com>,
	netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kernel-team <kernel-team@...com>
Subject: Re: [PATCH] netconsole: Initialize after all core networking drivers

On Wed, Dec 23, 2015 at 3:03 PM, Calvin Owens <calvinowens@...com> wrote:
> Commit 7332a13b038be05c ("vxlan: defer vxlan init as late as possible")
> changed vxlan to use late_initcall(), because vxlan relies on ipv6 being
> loaded when a new device is opened.
>
> This causes netconsole to panic at boot when configured via the kernel
> cmdline on an IXGBE NIC, because ixgbe_open() assumes that vxlan has
> already been initialized:

BTW, it is not fair to blame my commit above, since it was merged long before
ixgbe or any hardware driver has vxlan support. Not a big deal, just FYI. ;)
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