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Date: Mon, 28 Dec 2015 15:24:05 -0800
Message-ID: <CAHA+R7OddkTrOoT1CrvoG=AJKddNyd4PZJFDBJXYXC1ucyHrNw@mail.gmail.com>
Subject: Re: [PATCH] netconsole: Initialize after all core networking drivers
From: Cong Wang <cwang@twopensource.com>
To: Calvin Owens <calvinowens@fb.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>, David Miller <davem@davemloft.net>,
        Shrijeet Mukherjee <shm@cumulusnetworks.com>,
        izumi.taku@jp.fujitsu.com, John Linville <linville@tuxdriver.com>,
        David Ahern <dsa@cumulusnetworks.com>, netdev <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        kernel-team <kernel-team@fb.com>
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On Wed, Dec 23, 2015 at 3:03 PM, Calvin Owens <calvinowens@fb.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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