From mboxrd@z Thu Jan  1 00:00:00 1970
From: greg@kroah.com (Greg KH)
Date: Sat, 27 Jan 2018 09:17:04 +0100
Subject: crash binary not working with latest kernel
In-Reply-To: <CABGNecx5Yy-rKwjqO7-DD89HsHnXQyXBWnzc+sFkFKz1MqBvRA@mail.gmail.com>
References: <CABGNecx5Yy-rKwjqO7-DD89HsHnXQyXBWnzc+sFkFKz1MqBvRA@mail.gmail.com>
Message-ID: <20180127081704.GA8370@kroah.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On Fri, Jan 26, 2018 at 12:30:46PM -0800, Joe Smith wrote:
> Hi,
> 
> I am running Ubuntu 16.04. I built and booted the latest kernel. Now
> the crash binary does not work, neither a panic is saved. What is the
> procedure to use crash with the latest unreleased kernel.

There was a recent fix for this in the kernel tree, what exact version
are you using?

See the thread on the linux-kernel mailing list for the specifics.

hope this helps,

greg k-h